diff --git a/dist/mathlive.mjs b/dist/mathlive.mjs
index f4aa5a8ff..ee7a12381 100644
--- a/dist/mathlive.mjs
+++ b/dist/mathlive.mjs
@@ -1 +1 @@
-function t(t,e){e=e||0;const i=t.charCodeAt(e);if(55296<=i&&i<=56319&&e<t.length-1){const s=i,a=t.charCodeAt(e+1);return 56320<=a&&a<=57343?1024*(s-55296)+(a-56320)+65536:s}if(56320<=i&&i<=57343&&e>=1){const s=t.charCodeAt(e-1),a=i;return 55296<=s&&s<=56319?1024*(s-55296)+(a-56320)+65536:a}return i}function e(e,s){if((s=s||0)<0)return 0;if(s>=e.length-1)return e.length;let a=i(t(e,s));for(let r=s+1;r<e.length;r++){if(55296<=e.charCodeAt(r-1)&&e.charCodeAt(r-1)<=56319&&56320<=e.charCodeAt(r)&&e.charCodeAt(r)<=57343)continue;const s=i(t(e,r));if(n=s,!(11===(o=a)&&12===n||3===o&&11===n||11===o&&3===n||0===o&&1===n||2!==o&&0!==o&&1!==o&&2!==n&&0!==n&&1!==n&&(6===o&&(6===n||7===n||9===n||10===n)||!(9!==o&&7!==o||7!==n&&8!==n)||(10===o||8===o)&&8===n||4===o&&4===n||3===n||5===n)))return r;a=s}var o,n;return e.length}function i(t){return 13===t?0:10===t?1:0<=t&&t<=9||11<=t&&t<=12||14<=t&&t<=31||127<=t&&t<=159||173===t||1536<=t&&t<=1541||1564===t||1757===t||1807===t||6158===t||8203===t||8206<=t&&t<=8207||8232===t||8233===t||8234<=t&&t<=8238||8288<=t&&t<=8292||8293===t||8294<=t&&t<=8303||55296<=t&&t<=57343||65279===t||65520<=t&&t<=65528||65529<=t&&t<=65531||69821===t||113824<=t&&t<=113827||119155<=t&&t<=119162||917504===t||917505===t||917506<=t&&t<=917535||917536<=t&&t<=917631||917632<=t&&t<=917759||918e3<=t&&t<=921599?2:768<=t&&t<=879||1155<=t&&t<=1159||1160<=t&&t<=1161||1425<=t&&t<=1469||1471===t||1473<=t&&t<=1474||1476<=t&&t<=1477||1479===t||1552<=t&&t<=1562||1611<=t&&t<=1631||1648===t||1750<=t&&t<=1756||1759<=t&&t<=1764||1767<=t&&t<=1768||1770<=t&&t<=1773||1809===t||1840<=t&&t<=1866||1958<=t&&t<=1968||2027<=t&&t<=2035||2070<=t&&t<=2073||2075<=t&&t<=2083||2085<=t&&t<=2087||2089<=t&&t<=2093||2137<=t&&t<=2139||2275<=t&&t<=2306||2362===t||2364===t||2369<=t&&t<=2376||2381===t||2385<=t&&t<=2391||2402<=t&&t<=2403||2433===t||2492===t||2494===t||2497<=t&&t<=2500||2509===t||2519===t||2530<=t&&t<=2531||2561<=t&&t<=2562||2620===t||2625<=t&&t<=2626||2631<=t&&t<=2632||2635<=t&&t<=2637||2641===t||2672<=t&&t<=2673||2677===t||2689<=t&&t<=2690||2748===t||2753<=t&&t<=2757||2759<=t&&t<=2760||2765===t||2786<=t&&t<=2787||2817===t||2876===t||2878===t||2879===t||2881<=t&&t<=2884||2893===t||2902===t||2903===t||2914<=t&&t<=2915||2946===t||3006===t||3008===t||3021===t||3031===t||3072===t||3134<=t&&t<=3136||3142<=t&&t<=3144||3146<=t&&t<=3149||3157<=t&&t<=3158||3170<=t&&t<=3171||3201===t||3260===t||3263===t||3266===t||3270===t||3276<=t&&t<=3277||3285<=t&&t<=3286||3298<=t&&t<=3299||3329===t||3390===t||3393<=t&&t<=3396||3405===t||3415===t||3426<=t&&t<=3427||3530===t||3535===t||3538<=t&&t<=3540||3542===t||3551===t||3633===t||3636<=t&&t<=3642||3655<=t&&t<=3662||3761===t||3764<=t&&t<=3769||3771<=t&&t<=3772||3784<=t&&t<=3789||3864<=t&&t<=3865||3893===t||3895===t||3897===t||3953<=t&&t<=3966||3968<=t&&t<=3972||3974<=t&&t<=3975||3981<=t&&t<=3991||3993<=t&&t<=4028||4038===t||4141<=t&&t<=4144||4146<=t&&t<=4151||4153<=t&&t<=4154||4157<=t&&t<=4158||4184<=t&&t<=4185||4190<=t&&t<=4192||4209<=t&&t<=4212||4226===t||4229<=t&&t<=4230||4237===t||4253===t||4957<=t&&t<=4959||5906<=t&&t<=5908||5938<=t&&t<=5940||5970<=t&&t<=5971||6002<=t&&t<=6003||6068<=t&&t<=6069||6071<=t&&t<=6077||6086===t||6089<=t&&t<=6099||6109===t||6155<=t&&t<=6157||6313===t||6432<=t&&t<=6434||6439<=t&&t<=6440||6450===t||6457<=t&&t<=6459||6679<=t&&t<=6680||6683===t||6742===t||6744<=t&&t<=6750||6752===t||6754===t||6757<=t&&t<=6764||6771<=t&&t<=6780||6783===t||6832<=t&&t<=6845||6846===t||6912<=t&&t<=6915||6964===t||6966<=t&&t<=6970||6972===t||6978===t||7019<=t&&t<=7027||7040<=t&&t<=7041||7074<=t&&t<=7077||7080<=t&&t<=7081||7083<=t&&t<=7085||7142===t||7144<=t&&t<=7145||7149===t||7151<=t&&t<=7153||7212<=t&&t<=7219||7222<=t&&t<=7223||7376<=t&&t<=7378||7380<=t&&t<=7392||7394<=t&&t<=7400||7405===t||7412===t||7416<=t&&t<=7417||7616<=t&&t<=7669||7676<=t&&t<=7679||8204<=t&&t<=8205||8400<=t&&t<=8412||8413<=t&&t<=8416||8417===t||8418<=t&&t<=8420||8421<=t&&t<=8432||11503<=t&&t<=11505||11647===t||11744<=t&&t<=11775||12330<=t&&t<=12333||12334<=t&&t<=12335||12441<=t&&t<=12442||42607===t||42608<=t&&t<=42610||42612<=t&&t<=42621||42654<=t&&t<=42655||42736<=t&&t<=42737||43010===t||43014===t||43019===t||43045<=t&&t<=43046||43204===t||43232<=t&&t<=43249||43302<=t&&t<=43309||43335<=t&&t<=43345||43392<=t&&t<=43394||43443===t||43446<=t&&t<=43449||43452===t||43493===t||43561<=t&&t<=43566||43569<=t&&t<=43570||43573<=t&&t<=43574||43587===t||43596===t||43644===t||43696===t||43698<=t&&t<=43700||43703<=t&&t<=43704||43710<=t&&t<=43711||43713===t||43756<=t&&t<=43757||43766===t||44005===t||44008===t||44013===t||64286===t||65024<=t&&t<=65039||65056<=t&&t<=65071||65438<=t&&t<=65439||66045===t||66272===t||66422<=t&&t<=66426||68097<=t&&t<=68099||68101<=t&&t<=68102||68108<=t&&t<=68111||68152<=t&&t<=68154||68159===t||68325<=t&&t<=68326||69633===t||69688<=t&&t<=69702||69759<=t&&t<=69761||69811<=t&&t<=69814||69817<=t&&t<=69818||69888<=t&&t<=69890||69927<=t&&t<=69931||69933<=t&&t<=69940||70003===t||70016<=t&&t<=70017||70070<=t&&t<=70078||70090<=t&&t<=70092||70191<=t&&t<=70193||70196===t||70198<=t&&t<=70199||70367===t||70371<=t&&t<=70378||70400<=t&&t<=70401||70460===t||70462===t||70464===t||70487===t||70502<=t&&t<=70508||70512<=t&&t<=70516||70832===t||70835<=t&&t<=70840||70842===t||70845===t||70847<=t&&t<=70848||70850<=t&&t<=70851||71087===t||71090<=t&&t<=71093||71100<=t&&t<=71101||71103<=t&&t<=71104||71132<=t&&t<=71133||71219<=t&&t<=71226||71229===t||71231<=t&&t<=71232||71339===t||71341===t||71344<=t&&t<=71349||71351===t||71453<=t&&t<=71455||71458<=t&&t<=71461||71463<=t&&t<=71467||92912<=t&&t<=92916||92976<=t&&t<=92982||94095<=t&&t<=94098||113821<=t&&t<=113822||119141===t||119143<=t&&t<=119145||119150<=t&&t<=119154||119163<=t&&t<=119170||119173<=t&&t<=119179||119210<=t&&t<=119213||119362<=t&&t<=119364||121344<=t&&t<=121398||121403<=t&&t<=121452||121461===t||121476===t||121499<=t&&t<=121503||121505<=t&&t<=121519||125136<=t&&t<=125142||917760<=t&&t<=917999?3:127462<=t&&t<=127487?4:127995<=t&&t<=127999?12:2307===t||2363===t||2366<=t&&t<=2368||2377<=t&&t<=2380||2382<=t&&t<=2383||2434<=t&&t<=2435||2495<=t&&t<=2496||2503<=t&&t<=2504||2507<=t&&t<=2508||2563===t||2622<=t&&t<=2624||2691===t||2750<=t&&t<=2752||2761===t||2763<=t&&t<=2764||2818<=t&&t<=2819||2880===t||2887<=t&&t<=2888||2891<=t&&t<=2892||3007===t||3009<=t&&t<=3010||3014<=t&&t<=3016||3018<=t&&t<=3020||3073<=t&&t<=3075||3137<=t&&t<=3140||3202<=t&&t<=3203||3262===t||3264<=t&&t<=3265||3267<=t&&t<=3268||3271<=t&&t<=3272||3274<=t&&t<=3275||3330<=t&&t<=3331||3391<=t&&t<=3392||3398<=t&&t<=3400||3402<=t&&t<=3404||3458<=t&&t<=3459||3536<=t&&t<=3537||3544<=t&&t<=3550||3570<=t&&t<=3571||3635===t||3763===t||3902<=t&&t<=3903||3967===t||4145===t||4155<=t&&t<=4156||4182<=t&&t<=4183||4228===t||6070===t||6078<=t&&t<=6085||6087<=t&&t<=6088||6435<=t&&t<=6438||6441<=t&&t<=6443||6448<=t&&t<=6449||6451<=t&&t<=6456||6681<=t&&t<=6682||6741===t||6743===t||6765<=t&&t<=6770||6916===t||6965===t||6971===t||6973<=t&&t<=6977||6979<=t&&t<=6980||7042===t||7073===t||7078<=t&&t<=7079||7082===t||7143===t||7146<=t&&t<=7148||7150===t||7154<=t&&t<=7155||7204<=t&&t<=7211||7220<=t&&t<=7221||7393===t||7410<=t&&t<=7411||43043<=t&&t<=43044||43047===t||43136<=t&&t<=43137||43188<=t&&t<=43203||43346<=t&&t<=43347||43395===t||43444<=t&&t<=43445||43450<=t&&t<=43451||43453<=t&&t<=43456||43567<=t&&t<=43568||43571<=t&&t<=43572||43597===t||43755===t||43758<=t&&t<=43759||43765===t||44003<=t&&t<=44004||44006<=t&&t<=44007||44009<=t&&t<=44010||44012===t||69632===t||69634===t||69762===t||69808<=t&&t<=69810||69815<=t&&t<=69816||69932===t||70018===t||70067<=t&&t<=70069||70079<=t&&t<=70080||70188<=t&&t<=70190||70194<=t&&t<=70195||70197===t||70368<=t&&t<=70370||70402<=t&&t<=70403||70463===t||70465<=t&&t<=70468||70471<=t&&t<=70472||70475<=t&&t<=70477||70498<=t&&t<=70499||70833<=t&&t<=70834||70841===t||70843<=t&&t<=70844||70846===t||70849===t||71088<=t&&t<=71089||71096<=t&&t<=71099||71102===t||71216<=t&&t<=71218||71227<=t&&t<=71228||71230===t||71340===t||71342<=t&&t<=71343||71350===t||71456<=t&&t<=71457||71462===t||94033<=t&&t<=94078||119142===t||119149===t?5:4352<=t&&t<=4447||43360<=t&&t<=43388?6:4448<=t&&t<=4519||55216<=t&&t<=55238?7:4520<=t&&t<=4607||55243<=t&&t<=55291?8:44032===t||44060===t||44088===t||44116===t||44144===t||44172===t||44200===t||44228===t||44256===t||44284===t||44312===t||44340===t||44368===t||44396===t||44424===t||44452===t||44480===t||44508===t||44536===t||44564===t||44592===t||44620===t||44648===t||44676===t||44704===t||44732===t||44760===t||44788===t||44816===t||44844===t||44872===t||44900===t||44928===t||44956===t||44984===t||45012===t||45040===t||45068===t||45096===t||45124===t||45152===t||45180===t||45208===t||45236===t||45264===t||45292===t||45320===t||45348===t||45376===t||45404===t||45432===t||45460===t||45488===t||45516===t||45544===t||45572===t||45600===t||45628===t||45656===t||45684===t||45712===t||45740===t||45768===t||45796===t||45824===t||45852===t||45880===t||45908===t||45936===t||45964===t||45992===t||46020===t||46048===t||46076===t||46104===t||46132===t||46160===t||46188===t||46216===t||46244===t||46272===t||46300===t||46328===t||46356===t||46384===t||46412===t||46440===t||46468===t||46496===t||46524===t||46552===t||46580===t||46608===t||46636===t||46664===t||46692===t||46720===t||46748===t||46776===t||46804===t||46832===t||46860===t||46888===t||46916===t||46944===t||46972===t||47e3===t||47028===t||47056===t||47084===t||47112===t||47140===t||47168===t||47196===t||47224===t||47252===t||47280===t||47308===t||47336===t||47364===t||47392===t||47420===t||47448===t||47476===t||47504===t||47532===t||47560===t||47588===t||47616===t||47644===t||47672===t||47700===t||47728===t||47756===t||47784===t||47812===t||47840===t||47868===t||47896===t||47924===t||47952===t||47980===t||48008===t||48036===t||48064===t||48092===t||48120===t||48148===t||48176===t||48204===t||48232===t||48260===t||48288===t||48316===t||48344===t||48372===t||48400===t||48428===t||48456===t||48484===t||48512===t||48540===t||48568===t||48596===t||48624===t||48652===t||48680===t||48708===t||48736===t||48764===t||48792===t||48820===t||48848===t||48876===t||48904===t||48932===t||48960===t||48988===t||49016===t||49044===t||49072===t||49100===t||49128===t||49156===t||49184===t||49212===t||49240===t||49268===t||49296===t||49324===t||49352===t||49380===t||49408===t||49436===t||49464===t||49492===t||49520===t||49548===t||49576===t||49604===t||49632===t||49660===t||49688===t||49716===t||49744===t||49772===t||49800===t||49828===t||49856===t||49884===t||49912===t||49940===t||49968===t||49996===t||50024===t||50052===t||50080===t||50108===t||50136===t||50164===t||50192===t||50220===t||50248===t||50276===t||50304===t||50332===t||50360===t||50388===t||50416===t||50444===t||50472===t||50500===t||50528===t||50556===t||50584===t||50612===t||50640===t||50668===t||50696===t||50724===t||50752===t||50780===t||50808===t||50836===t||50864===t||50892===t||50920===t||50948===t||50976===t||51004===t||51032===t||51060===t||51088===t||51116===t||51144===t||51172===t||51200===t||51228===t||51256===t||51284===t||51312===t||51340===t||51368===t||51396===t||51424===t||51452===t||51480===t||51508===t||51536===t||51564===t||51592===t||51620===t||51648===t||51676===t||51704===t||51732===t||51760===t||51788===t||51816===t||51844===t||51872===t||51900===t||51928===t||51956===t||51984===t||52012===t||52040===t||52068===t||52096===t||52124===t||52152===t||52180===t||52208===t||52236===t||52264===t||52292===t||52320===t||52348===t||52376===t||52404===t||52432===t||52460===t||52488===t||52516===t||52544===t||52572===t||52600===t||52628===t||52656===t||52684===t||52712===t||52740===t||52768===t||52796===t||52824===t||52852===t||52880===t||52908===t||52936===t||52964===t||52992===t||53020===t||53048===t||53076===t||53104===t||53132===t||53160===t||53188===t||53216===t||53244===t||53272===t||53300===t||53328===t||53356===t||53384===t||53412===t||53440===t||53468===t||53496===t||53524===t||53552===t||53580===t||53608===t||53636===t||53664===t||53692===t||53720===t||53748===t||53776===t||53804===t||53832===t||53860===t||53888===t||53916===t||53944===t||53972===t||54e3===t||54028===t||54056===t||54084===t||54112===t||54140===t||54168===t||54196===t||54224===t||54252===t||54280===t||54308===t||54336===t||54364===t||54392===t||54420===t||54448===t||54476===t||54504===t||54532===t||54560===t||54588===t||54616===t||54644===t||54672===t||54700===t||54728===t||54756===t||54784===t||54812===t||54840===t||54868===t||54896===t||54924===t||54952===t||54980===t||55008===t||55036===t||55064===t||55092===t||55120===t||55148===t||55176===t?9:44033<=t&&t<=44059||44061<=t&&t<=44087||44089<=t&&t<=44115||44117<=t&&t<=44143||44145<=t&&t<=44171||44173<=t&&t<=44199||44201<=t&&t<=44227||44229<=t&&t<=44255||44257<=t&&t<=44283||44285<=t&&t<=44311||44313<=t&&t<=44339||44341<=t&&t<=44367||44369<=t&&t<=44395||44397<=t&&t<=44423||44425<=t&&t<=44451||44453<=t&&t<=44479||44481<=t&&t<=44507||44509<=t&&t<=44535||44537<=t&&t<=44563||44565<=t&&t<=44591||44593<=t&&t<=44619||44621<=t&&t<=44647||44649<=t&&t<=44675||44677<=t&&t<=44703||44705<=t&&t<=44731||44733<=t&&t<=44759||44761<=t&&t<=44787||44789<=t&&t<=44815||44817<=t&&t<=44843||44845<=t&&t<=44871||44873<=t&&t<=44899||44901<=t&&t<=44927||44929<=t&&t<=44955||44957<=t&&t<=44983||44985<=t&&t<=45011||45013<=t&&t<=45039||45041<=t&&t<=45067||45069<=t&&t<=45095||45097<=t&&t<=45123||45125<=t&&t<=45151||45153<=t&&t<=45179||45181<=t&&t<=45207||45209<=t&&t<=45235||45237<=t&&t<=45263||45265<=t&&t<=45291||45293<=t&&t<=45319||45321<=t&&t<=45347||45349<=t&&t<=45375||45377<=t&&t<=45403||45405<=t&&t<=45431||45433<=t&&t<=45459||45461<=t&&t<=45487||45489<=t&&t<=45515||45517<=t&&t<=45543||45545<=t&&t<=45571||45573<=t&&t<=45599||45601<=t&&t<=45627||45629<=t&&t<=45655||45657<=t&&t<=45683||45685<=t&&t<=45711||45713<=t&&t<=45739||45741<=t&&t<=45767||45769<=t&&t<=45795||45797<=t&&t<=45823||45825<=t&&t<=45851||45853<=t&&t<=45879||45881<=t&&t<=45907||45909<=t&&t<=45935||45937<=t&&t<=45963||45965<=t&&t<=45991||45993<=t&&t<=46019||46021<=t&&t<=46047||46049<=t&&t<=46075||46077<=t&&t<=46103||46105<=t&&t<=46131||46133<=t&&t<=46159||46161<=t&&t<=46187||46189<=t&&t<=46215||46217<=t&&t<=46243||46245<=t&&t<=46271||46273<=t&&t<=46299||46301<=t&&t<=46327||46329<=t&&t<=46355||46357<=t&&t<=46383||46385<=t&&t<=46411||46413<=t&&t<=46439||46441<=t&&t<=46467||46469<=t&&t<=46495||46497<=t&&t<=46523||46525<=t&&t<=46551||46553<=t&&t<=46579||46581<=t&&t<=46607||46609<=t&&t<=46635||46637<=t&&t<=46663||46665<=t&&t<=46691||46693<=t&&t<=46719||46721<=t&&t<=46747||46749<=t&&t<=46775||46777<=t&&t<=46803||46805<=t&&t<=46831||46833<=t&&t<=46859||46861<=t&&t<=46887||46889<=t&&t<=46915||46917<=t&&t<=46943||46945<=t&&t<=46971||46973<=t&&t<=46999||47001<=t&&t<=47027||47029<=t&&t<=47055||47057<=t&&t<=47083||47085<=t&&t<=47111||47113<=t&&t<=47139||47141<=t&&t<=47167||47169<=t&&t<=47195||47197<=t&&t<=47223||47225<=t&&t<=47251||47253<=t&&t<=47279||47281<=t&&t<=47307||47309<=t&&t<=47335||47337<=t&&t<=47363||47365<=t&&t<=47391||47393<=t&&t<=47419||47421<=t&&t<=47447||47449<=t&&t<=47475||47477<=t&&t<=47503||47505<=t&&t<=47531||47533<=t&&t<=47559||47561<=t&&t<=47587||47589<=t&&t<=47615||47617<=t&&t<=47643||47645<=t&&t<=47671||47673<=t&&t<=47699||47701<=t&&t<=47727||47729<=t&&t<=47755||47757<=t&&t<=47783||47785<=t&&t<=47811||47813<=t&&t<=47839||47841<=t&&t<=47867||47869<=t&&t<=47895||47897<=t&&t<=47923||47925<=t&&t<=47951||47953<=t&&t<=47979||47981<=t&&t<=48007||48009<=t&&t<=48035||48037<=t&&t<=48063||48065<=t&&t<=48091||48093<=t&&t<=48119||48121<=t&&t<=48147||48149<=t&&t<=48175||48177<=t&&t<=48203||48205<=t&&t<=48231||48233<=t&&t<=48259||48261<=t&&t<=48287||48289<=t&&t<=48315||48317<=t&&t<=48343||48345<=t&&t<=48371||48373<=t&&t<=48399||48401<=t&&t<=48427||48429<=t&&t<=48455||48457<=t&&t<=48483||48485<=t&&t<=48511||48513<=t&&t<=48539||48541<=t&&t<=48567||48569<=t&&t<=48595||4859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l=Ht(n,t.mathstyle.adjustTo(r)),c=this.hasBarLine?h.defaultRuleThickness/e.sizeMultiplier:0;let d,p,m;e.size===M.DISPLAY.size?(d=e.metrics.num1,p=c>0?3*c:7*h.defaultRuleThickness,m=e.metrics.denom1):(c>0?(d=e.metrics.num2,p=c):(d=e.metrics.num3,p=3*h.defaultRuleThickness),m=e.metrics.denom2);const u=o?o.depth:0,f=l?l.height:0;let g;if(0===c){const t=d-u-(f-m);t<p&&(d+=.5*(p-t),m+=.5*(p-t)),g=Vt(i,[o,-d,l,m],"individualShift")}else{const t=e.metrics.axisHeight;d-u-(t+.5*c)<p&&(d+=p-(d-u-(t+.5*c))),t-.5*c-(f-m)<p&&(m+=p-(t-.5*c-(f-m)));const s=Nt(null," frac-line");s.applyStyle(this.getStyle()),s.height=c;const a=[];o&&(a.push(o),a.push(-d)),a.push(s),a.push(c/2-t),l&&(a.push(l),a.push(m)),g=Vt(i,a,"individualShift")}g.classes+=" mfrac",g.height*=e.sizeMultiplier/t.mathstyle.sizeMultiplier,g.depth*=e.sizeMultiplier/t.mathstyle.sizeMultiplier;const y=e.size===M.DISPLAY.size?e.metrics.delim1:e.metrics.delim2,b=this.bind(t,Kt.makeCustomSizedDelim("mopen",this.leftDelim,y,!0,t.clone({mathstyle:e}))),x=this.bind(t,Kt.makeCustomSizedDelim("mclose",this.rightDelim,y,!0,t.clone({mathstyle:e})));b.applyStyle(this.getStyle()),x.applyStyle(this.getStyle());const k=$t([b,g,x],t.parentSize!==t.size?"sizing reset-"+t.parentSize+" "+t.size:"");return this.bind(t,k)}decomposeLeftright(t){if(!this.body)return this.leftDelim?new Zt("math","mopen",this.leftDelim).decompose(t):this.rightDelim?new Zt("math","mclose",this.rightDelim).decompose(t):null;const e=t.clone(),i=Qt(e,this.body),s=e.mathstyle;let a=0,o=0,n=[];if(a=$.height(i)*s.sizeMultiplier,o=$.depth(i)*s.sizeMultiplier,this.leftDelim&&(n.push(this.bind(t,Kt.makeLeftRightDelim("mopen",this.leftDelim,a,o,e))),n[n.length-1].applyStyle(this.getStyle())),i){for(let s=0;s<i.length;s++)if(i[s].delim){const n=i[s].caret,r=/ML__selected/.test(i[s].classes);i[s]=this.bind(t,Kt.makeLeftRightDelim("minner",i[s].delim,a,o,e)),i[s].caret=n,i[s].selected(r)}n=n.concat(i)}if(this.rightDelim){let i,s=this.rightDelim;"?"===s&&(s={"(":")","\\{":"\\}","\\[":"\\]","\\lbrace":"\\rbrace","\\langle":"\\rangle","\\lfloor":"\\rfloor","\\lceil":"\\rceil","\\vert":"\\vert","\\lvert":"\\rvert","\\Vert":"\\Vert","\\lVert":"\\rVert","\\lbrack":"\\rbrack","\\ulcorner":"\\urcorner","\\llcorner":"\\lrcorner","\\lgroup":"\\rgroup","\\lmoustache":"\\rmoustache"}[this.leftDelim],s=s||this.leftDelim,i="ML__smart-fence__close"),n.push(this.bind(t,Kt.makeLeftRightDelim("mclose",s,a,o,e,i))),n[n.length-1].applyStyle(this.getStyle())}return this.inner?Wt(n,s.cls()):n}decomposeSurd(t){const e=t.mathstyle,i=Qt(t.cramp(),this.body),s=h.defaultRuleThickness/e.sizeMultiplier;let a=s;e.id<M.TEXT.id&&(a=e.metrics.xHeight);let o=s+a/4;const n=Math.max(2*a,($.height(i)+$.depth(i))*e.sizeMultiplier)+(o+s),r=Nt(Kt.makeCustomSizedDelim("","\\surd",n,!1,t),"sqrt-sign");r.applyStyle(this.getStyle());const l=r.height+r.depth-s;l>$.height(i)+$.depth(i)+o&&(o=(o+l-($.height(i)+$.depth(i)))/2),r.setTop(r.height-$.height(i)-(o+s));const c=Nt(null,t.mathstyle.adjustTo(M.TEXT)+" sqrt-line");c.applyStyle(this.getStyle()),c.height=s;const d=Vt(t,[i,o,c,s]);if(!this.index)return this.bind(t,$t([r,d],"sqrt"));const p=t.clone({mathstyle:M.SCRIPTSCRIPT}),m=Nt(Qt(p,this.index),e.adjustTo(M.SCRIPTSCRIPT)),u=Math.max(r.height,d.height),f=Math.max(r.depth,d.depth),g=Vt(t,[m],"shift",-.6*(u-f));return this.bind(t,$t([Nt(g,"root"),r,d],"sqrt"))}decomposeAccent(t){const e=t.mathstyle;let i=Qt(t.cramp(),this.body);(this.superscript||this.subscript)&&(i=this.attachSupsub(t,$t(i),"mord"));let s=0;Array.isArray(this.body)&&1===this.body.length&&this.body[0].isCharacterBox()&&(s=$.skew(i));const a=Math.min($.height(i),e.metrics.xHeight),o=$.makeSymbol("Main-Regular",this.accent,"math");o.italic=0;const n="⃗"===this.accent?" accent-vec":"";let r=Nt(Nt(o),"accent-body"+n);return r=Vt(t,[i,-a,r]),r.children[1].setLeft(2*s),$t(r,"accent")}decomposeLine(t){const e=t.mathstyle,i=Qt(t.cramp(),this.body),s=h.defaultRuleThickness/e.sizeMultiplier,a=Nt(null,t.mathstyle.adjustTo(M.TEXT)+" "+this.position+"-line");let o;if(a.height=s,a.maxFontSize=1,"overline"===this.position)o=Vt(t,[i,3*s,a,s]);else{const e=Nt(i);o=Vt(t,[s,a,3*s,e],"top",$.height(e))}return $t(o,this.position)}decomposeOverunder(t){const e=Qt(t,this.body),i=t.clone({mathstyle:"scriptstyle"}),s=this.overscript?Nt(Qt(i,this.overscript),t.mathstyle.adjustTo(i.mathstyle)):null,a=this.underscript?Nt(Qt(i,this.underscript),t.mathstyle.adjustTo(i.mathstyle)):null;return Yt(t,e,0,0,s,a,this.mathtype||"mrel")}decomposeOverlap(t){const e=Nt(Qt(t,this.body),"inner");return $t([e,Nt(null,"fix")],"left"===this.align?"llap":"rlap")}decomposeRule(t){const e=t.mathstyle,i=$t("","rule");let s=this.shift&&!isNaN(this.shift)?this.shift:0;s/=e.sizeMultiplier;const a=this.width/e.sizeMultiplier,o=this.height/e.sizeMultiplier;return i.setStyle("border-right-width",a,"em"),i.setStyle("border-top-width",o,"em"),i.setStyle("margin-top",-(o-s),"em"),i.setStyle("border-color",t.color),i.width=a,i.height=o+s,i.depth=-s,i}decomposeOp(t){const e=t.mathstyle;let i,s=!1;e.size===M.DISPLAY.size&&"string"==typeof this.body&&"\\smallint"!==this.body&&(s=!0);let a=0,o=0;if(this.symbol){const n=s?"Size2-Regular":"Size1-Regular";i=$.makeSymbol(n,this.body,"op-symbol "+(s?"large-op":"small-op")),i.type="mop",a=(i.height-i.depth)/2-e.metrics.axisHeight*e.sizeMultiplier,o=i.italic,this.bind(t,i)}else Array.isArray(this.body)?(i=$.makeOp(Qt(t,this.body)),this.bind(t,i)):i=this.makeSpan(t,this.body);if(this.superscript||this.subscript){const s=this.limits||"auto";return this.alwaysHandleSupSub||"limits"===s||"auto"===s&&e.size===M.DISPLAY.size?this.attachLimits(t,i,a,o):this.attachSupsub(t,i,"mop")}return this.symbol&&i.setTop(a),i}decomposeBox(t){const e=$t(Qt(t,this.body)),i=Nt();i.setStyle("position","absolute");const s="number"==typeof this.padding?this.padding:h.fboxsep;i.setStyle("height",e.height+e.depth+2*s,"em"),0!==s?i.setStyle("width","calc(100% + "+2*s+"em)"):i.setStyle("width","100%"),i.setStyle("top",-s,"em"),i.setStyle("left",-s,"em"),i.setStyle("z-index","-1"),this.backgroundcolor&&i.setStyle("background-color",this.backgroundcolor),this.framecolor&&i.setStyle("border",h.fboxrule+"em solid "+this.framecolor),this.border&&i.setStyle("border",this.border),e.setStyle("display","inline-block"),e.setStyle("height",e.height+e.depth,"em"),e.setStyle("vertical-align",-e.depth+s,"em");const a=Nt([i,e]);return a.setStyle("position","relative"),a.setStyle("vertical-align",-s+e.depth,"em"),a.height=e.height+s,a.depth=e.depth+s,a.setLeft(s),a.setRight(s),a}decomposeEnclose(t){const e=$t(Qt(t,this.body)),i="auto"===this.padding?.2:this.padding;e.setStyle("padding",i,"em"),e.setStyle("display","inline-block"),e.setStyle("height",e.height+e.depth,"em"),e.setStyle("left",-i,"em"),this.backgroundcolor&&"transparent"!==this.backgroundcolor&&e.setStyle("background-color",this.backgroundcolor);let s="";if(this.notation.box&&e.setStyle("border",this.borderStyle),this.notation.actuarial&&(e.setStyle("border-top",this.borderStyle),e.setStyle("border-right",this.borderStyle)),this.notation.madruwb&&(e.setStyle("border-bottom",this.borderStyle),e.setStyle("border-right",this.borderStyle)),this.notation.roundedbox&&(e.setStyle("border-radius",($.height(e)+$.depth(e))/2,"em"),e.setStyle("border",this.borderStyle)),this.notation.circle&&(e.setStyle("border-radius","50%"),e.setStyle("border",this.borderStyle)),this.notation.top&&e.setStyle("border-top",this.borderStyle),this.notation.left&&e.setStyle("border-left",this.borderStyle),this.notation.right&&e.setStyle("border-right",this.borderStyle),this.notation.bottom&&e.setStyle("border-bottom",this.borderStyle),this.notation.horizontalstrike&&(s+='<line x1="3%"  y1="50%" x2="97%" y2="50%"',s+=` stroke-width="${this.strokeWidth}" stroke="${this.strokeColor}"`,s+=' stroke-linecap="round"',this.svgStrokeStyle&&(s+=` stroke-dasharray="${this.svgStrokeStyle}"`),s+="/>"),this.notation.verticalstrike&&(s+='<line x1="50%"  y1="3%" x2="50%" y2="97%"',s+=` stroke-width="${this.strokeWidth}" stroke="${this.strokeColor}"`,s+=' stroke-linecap="round"',this.svgStrokeStyle&&(s+=` stroke-dasharray="${this.svgStrokeStyle}"`),s+="/>"),this.notation.updiagonalstrike&&(s+='<line x1="3%"  y1="97%" x2="97%" y2="3%"',s+=` stroke-width="${this.strokeWidth}" stroke="${this.strokeColor}"`,s+=' stroke-linecap="round"',this.svgStrokeStyle&&(s+=` stroke-dasharray="${this.svgStrokeStyle}"`),s+="/>"),this.notation.downdiagonalstrike&&(s+='<line x1="3%"  y1="3%" x2="97%" y2="97%"',s+=` stroke-width="${this.strokeWidth}" stroke="${this.strokeColor}"`,s+=' stroke-linecap="round"',this.svgStrokeStyle&&(s+=` stroke-dasharray="${this.svgStrokeStyle}"`),s+="/>"),s){let t;return"none"!==this.shadow&&(t="auto"===this.shadow?"filter: drop-shadow(0 0 .5px rgba(255, 255, 255, .7)) drop-shadow(1px 1px 2px #333)":"filter: drop-shadow("+this.shadow+")"),$.makeSVG(e,s,t)}return e}decompose(t,e){let i=null;if(!this.type||/mord|minner|mbin|mrel|mpunct|mopen|mclose|textord/.test(this.type))i="string"==typeof this.body?this.makeSpan(t,this.body):this.makeSpan(t,Qt(t,this.body)),i.type=this.type;else if("group"===this.type||"root"===this.type)i=this.decomposeGroup(t);else if("array"===this.type)i=this.decomposeArray(t);else if("genfrac"===this.type)i=this.decomposeGenfrac(t);else if("surd"===this.type)i=this.decomposeSurd(t);else if("accent"===this.type)i=this.decomposeAccent(t);else if("leftright"===this.type)i=this.decomposeLeftright(t);else if("delim"===this.type)i=Nt(null,""),i.delim=this.delim;else if("sizeddelim"===this.type)i=this.bind(t,Kt.makeSizedDelim(this.cls,this.delim,this.size,t));else if("line"===this.type)i=this.decomposeLine(t);else if("overunder"===this.type)i=this.decomposeOverunder(t);else if("overlap"===this.type)i=this.decomposeOverlap(t);else if("rule"===this.type)i=this.decomposeRule(t);else if("styling"===this.type);else if("msubsup"===this.type)i=$t("​"),e&&(i.height=e[0].height,i.depth=e[0].depth);else if("mop"===this.type)i=this.decomposeOp(t);else if("space"===this.type)i=this.makeSpan(t," ");else if("spacing"===this.type)if("​"===this.body)i=this.makeSpan(t,"​");else if(" "===this.body)i="math"===this.mode?this.makeSpan(t," "):this.makeSpan(t," ");else if(this.width)i=Nt("​","mspace "),this.width>0?i.setWidth(this.width):i.setStyle("margin-left",this.width,"em");else{const t={qquad:"qquad",quad:"quad",enspace:"enspace",";":"thickspace",":":"mediumspace",",":"thinspace","!":"negativethinspace"}[this.body]||"quad";i=Nt("​","mspace "+t)}else"mathstyle"===this.type?t.setMathstyle(this.mathstyle):"box"===this.type?i=this.decomposeBox(t):"enclose"===this.type?i=this.decomposeEnclose(t):"command"===this.type||"error"===this.type?(i=this.makeSpan(t,this.body),i.classes="",this.error&&(i.classes+=" ML__error"),this.suggestion&&(i.classes+=" ML__suggestion")):"placeholder"===this.type?i=this.makeSpan(t,"⬚"):"first"===this.type&&(i=this.makeSpan(t,"​"));if(!i)return i;if(this.caret&&"styling"!==this.type&&"msubsup"!==this.type&&"command"!==this.type&&"placeholder"!==this.type&&"first"!==this.type&&(Array.isArray(i)?i[i.length-1].caret=this.caret:i.caret=this.caret),!this.limits&&(this.superscript||this.subscript))if(Array.isArray(i)){const e=i[i.length-1];i[i.length-1]=this.attachSupsub(t,e,e.type)}else i=[this.attachSupsub(t,i,i.type)];return Array.isArray(i)?i:[i]}attachSupsub(t,e,i){if(!this.superscript&&!this.subscript)return e;const s=t.mathstyle;let a=null,o=null;if(this.superscript){const e=Qt(t.sup(),this.superscript);a=Nt(e,s.adjustTo(s.sup()))}if(this.subscript){const e=Qt(t.sub(),this.subscript);o=Nt(e,s.adjustTo(s.sub()))}let n,r=0,l=0;this.isCharacterBox()||(r=$.height(e)-s.metrics.supDrop,l=$.depth(e)+s.metrics.subDrop),n=s===M.DISPLAY?s.metrics.sup1:s.cramped?s.metrics.sup3:s.metrics.sup2;const c=M.TEXT.sizeMultiplier*s.sizeMultiplier,d=.5/h.ptPerEm/c;let p=null;if(o&&a){r=Math.max(r,n,a.depth+.25*s.metrics.xHeight),l=Math.max(l,s.metrics.sub2);const i=h.defaultRuleThickness;if(r-$.depth(a)-($.height(o)-l)<4*i){l=4*i-(r-a.depth)+$.height(o);const t=.8*s.metrics.xHeight-(r-$.depth(a));t>0&&(r+=t,l-=t)}p=Vt(t,[o,l,a,-r],"individualShift"),this.symbol&&p.children[0].setLeft(-$.italic(e))}else o&&!a?(l=Math.max(l,s.metrics.sub1,$.height(o)-.8*s.metrics.xHeight),p=Vt(t,[o],"shift",l),p.children[0].setRight(d),this.isCharacterBox()&&p.children[0].setLeft(-$.italic(e))):!o&&a&&(r=Math.max(r,n,a.depth+.25*s.metrics.xHeight),p=Vt(t,[a],"shift",-r),p.children[0].setRight(d));const m=Nt(p,"msubsup");return this.caret&&(m.caret=this.caret),$.makeSpanOfType(i,[e,m])}attachLimits(t,e,i,s){const a=this.superscript?Nt(Qt(t.sup(),this.superscript),t.mathstyle.adjustTo(t.mathstyle.sup())):null,o=this.subscript?Nt(Qt(t.sub(),this.subscript),t.mathstyle.adjustTo(t.mathstyle.sub())):null;return Yt(t,e,i,s,a,o,"mop")}bind(t,e){return"first"!==this.type&&"​"!==this.body&&(this.id=function(t){let e;return"boolean"==typeof t.generateID&&t.generateID?e=Date.now().toString(36).slice(-2)+Math.floor(1e5*Math.random()).toString(36):"object"==typeof t.generateID&&(e=t.generateID.overrideID?t.generateID.overrideID:t.generateID.seed.toString(36),t.generateID.seed+=1),e}(t),this.id&&(e.attributes||(e.attributes={}),e.attributes["data-atom-id"]=this.id)),e}makeSpan(t,e){const i="textord"===this.type?"mord":this.type,s=$.makeSpanOfType(i,e),a=this.getStyle();s.applyStyle(a);const o=a&&a.fontSize?a.fontSize:"size5";return o!==t.parentSize?(s.classes+=" sizing reset-"+t.parentSize,s.classes+=" "+o):t.parentSize!==t.size&&(s.classes+=" sizing reset-"+t.parentSize,s.classes+=" "+t.size),s.maxFontSize=Math.max(s.maxFontSize,t.sizeMultiplier||1),"text"===this.mode&&(s.classes+=" ML__text"),t.mathstyle.isTight()&&(s.isTight=!0),"math"!==this.mode&&(s.italic=0),s.setRight(s.italic),"number"==typeof t.opacity&&s.setStyle("opacity",t.opacity),this.bind(t,s),this.caret&&(this.superscript||this.subscript||(s.caret=this.caret,t.mathstyle.isTight()&&(s.isTight=!0))),s}}function Xt(t){const e=Nt("​","arraycolsep");return e.setWidth(t,"em"),e}function Jt(t,e,i,s){const a=[];for(const o of e){const e=Nt(Qt(t,s));e.depth=o.depth,e.height=o.height,a.push(e),a.push(o.pos-i)}return Vt(t,a,"individualShift")}function Yt(t,e,i,s,a,o,n){if(!a&&!o)return e;e=Nt(e);let r=0,l=0;a&&(r=Math.max(h.bigOpSpacing1,h.bigOpSpacing3-a.depth)),o&&(l=Math.max(h.bigOpSpacing2,h.bigOpSpacing4-o.height));let c=null;if(o&&a){const n=h.bigOpSpacing5+$.height(o)+$.depth(o)+l+$.depth(e)+i;c=Vt(t,[h.bigOpSpacing5,o,l,e,r,a,h.bigOpSpacing5],"bottom",n),c.children[0].setLeft(-s),c.children[2].setLeft(s)}else if(o&&!a){const a=$.height(e)-i;c=Vt(t,[h.bigOpSpacing5,o,l,e],"top",a),c.children[0].setLeft(-s)}else if(!o&&a){const o=$.depth(e)+i;c=Vt(t,[e,r,a,h.bigOpSpacing5],"bottom",o),c.children[1].setLeft(s)}return $.makeSpanOfType(n,c,"op-limits")}function Qt(t,e){function i(t){return"mord"===t.type&&/[0-9,.]/.test(t.latex)}function s(t){return"text"===t.mode}t instanceof _||(t=new _(t));const a=!t.generateID||!t.generateID.groupNumbers;let o=[];if(Array.isArray(e)){if(0===e.length)return o;if(1===e.length)o=e[0].decompose(t),o&&a&&e[0].isSelected&&o.forEach(t=>t.selected(!0));else{let n="none",r=e[1].type,l=[],c=null,h=!0,d=null;for(let p=0;p<e.length;p++){"mbin"===e[p].type&&(/first|none|mrel|mpunct|mopen|mbin|mop/.test(n)||/none|mrel|mpunct|mclose/.test(r))&&(e[p].type="mord"),"​"===e[p].body&&(e[p].superscript||e[p].subscript)||(d=null),t.generateID.groupNumbers&&c&&(h&&i(e[p])||!h&&s(e[p]))&&(t.generateID.overrideID=c);const m=e[p].decompose(t,d);if(t.generateID&&(t.generateID.overrideID=null),m){const n=[].concat.apply([],m);d=n,t.generateID&&t.generateID.groupNumbers&&((i(e[p])||s(e[p]))&&(c&&h===i(e[p])||(h=i(e[p]),c=e[p].id)),(!i(e[p])&&!s(e[p])||e[p].superscript||e[p].subscript)&&c&&(c=null)),a&&e[p].isSelected?(l=l.concat(n),l.forEach(t=>t.selected(!0))):(l.length>0&&(o=[...o,...l],l=[]),o=o.concat(n))}n=e[p].getFinalBaseElement().type,r=e[p+1]?e[p+1].getInitialBaseElement().type:"none"}l.length>0&&(o=[...o,...l],l=[])}}else e&&(o=e.decompose(t),o&&a&&e.isSelected&&o.forEach(t=>t.selected(!0)));if(!o||0===o.length)return null;if(t.mathstyle!==t.parentMathstyle){const e=t.mathstyle.sizeMultiplier/t.parentMathstyle.sizeMultiplier;for(const t of o)t.height*=e,t.depth*=e}if(t.size!==t.parentSize){const e=Gt[t.size]/Gt[t.parentSize];for(const t of o)t.height*=e,t.depth*=e}return o}var te={MathAtom:Zt,decompose:Qt,makeRoot:function(t,e){const i=new Zt(t=t||"math","root",e||[]);return 0!==i.body.length&&"first"===i.body[0].type||i.body.unshift(new Zt("","first")),i},GREEK_REGEX:Ut};const ee={m0:"#3f3d99",m1:"#993d71",m2:"#998b3d",m3:"#3d9956",m4:"#3d5a99",m5:"#993d90",m6:"#996d3d",m7:"#43993d",m8:"#3d7999",m9:"#843d99"},ie={apricot:"#FBB982",aquamarine:"#00B5BE",bittersweet:"#C04F17",black:"#221E1F",blue:"#2D2F92",bluegreen:"#00B3B8",blueviolet:"#473992",brickred:"#B6321C",brown:"#792500",burntorange:"#F7921D",cadetblue:"#74729A",carnationpink:"#F282B4",cerulean:"#00A2E3",cornflowerblue:"#41B0E4",cyan:"#00AEEF",dandelion:"#FDBC42",darkorchid:"#A4538A",emerald:"#00A99D",forestgreen:"#009B55",fuchsia:"#8C368C",goldenrod:"#FFDF42",gray:"#949698",green:"#00A64F",greenyellow:"#DFE674",junglegreen:"#00A99A",lavender:"#F49EC4",limegreen:"#8DC73E",magenta:"#EC008C",mahogany:"#A9341F",maroon:"#AF3235",melon:"#F89E7B",midnightblue:"#006795",mulberry:"#A93C93",navyblue:"#006EB8",olivegreen:"#3C8031",orange:"#F58137",orangered:"#ED135A",orchid:"#AF72B0",peach:"#F7965A",periwinkle:"#7977B8",pinegreen:"#008B72",plum:"#92268F",processblue:"#00B0F0",purple:"#99479B",rawsienna:"#974006",red:"#ED1B23",redorange:"#F26035",redviolet:"#A1246B",rhodamine:"#EF559F",royalblue:"#0071BC",royalpurple:"#613F99",rubinered:"#ED017D",salmon:"#F69289",seagreen:"#3FBC9D",sepia:"#671800",skyblue:"#46C5DD",springgreen:"#C6DC67",tan:"#DA9D76",tealblue:"#00AEB3",thistle:"#D883B7",turquoise:"#00B4CE",violet:"#58429B",violetred:"#EF58A0",white:"#FFFFFF",wildstrawberry:"#EE2967",yellow:"#FFF200",yellowgreen:"#98CC70",yelloworange:"#FAA21A"};var se=function(t){const e=t.toLowerCase().split("!");let i,s,a,o=255,n=255,r=255,l=-1;const c=e.length>0&&"-"===e[0].charAt(0);c&&(e[0]=e[0].slice(1));for(let t=0;t<e.length;t++){i=o,s=n,a=r;let c=e[t].match(/([a-z0-9]*)/);c&&(c=c[1]);let h=ie[c]||ee[c];h||(h=e[t]);let d=h.match(/^#([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2})$/i);if(d&&d[1]&&d[2]&&d[3])o=Math.max(0,Math.min(255,parseInt(d[1],16))),n=Math.max(0,Math.min(255,parseInt(d[2],16))),r=Math.max(0,Math.min(255,parseInt(d[3],16)));else if(d=h.match(/^#([0-9a-f]{3})$/i),d&&d[1]){const t=parseInt(d[1][0],16),e=parseInt(d[1][1],16),i=parseInt(d[1][2],16);o=Math.max(0,Math.min(255,16*t+t)),n=Math.max(0,Math.min(255,16*e+e)),r=Math.max(0,Math.min(255,16*i+i))}else{if(d=h.match(/^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i),!(d&&d[1]&&d[2]&&d[3]))return null;o=Math.max(0,Math.min(255,parseInt(d[1]))),n=Math.max(0,Math.min(255,parseInt(d[2]))),r=Math.max(0,Math.min(255,parseInt(d[3])))}l>=0&&(o=(1-l)*o+l*i,n=(1-l)*n+l*s,r=(1-l)*r+l*a,l=-1),t+1<e.length&&(l=Math.max(0,Math.min(100,parseInt(e[++t])))/100)}return l>=0&&(o=l*o+(1-l)*i,n=l*n+(1-l)*s,r=l*r+(1-l)*a),c&&(o=255-o,n=255-n,r=255-r),"#"+("00"+Math.round(o).toString(16)).slice(-2)+("00"+Math.round(n).toString(16)).slice(-2)+("00"+Math.round(r).toString(16)).slice(-2)},ae=function(t){let e=t.toUpperCase();for(const t in ie)if(ie[t]===e){e=t;break}for(const t in ee)if(ee[t]===e){e=t;break}return e},oe=["#d35d60","#7293cb","#e1974d","#84bb5d","#9066a7","#aD6a58","#f5a4ce","#fff590","#212121","#818787","#d4d5d2","#ffffff"],ne=["#cc2428","#3769b1","#da7e30","#409852","#6b4c9a","#922426","#e7298a","#ffe907","#000000","#525055","#adafaa","#ffffff"];const re=te.MathAtom;class le{constructor(t,e,i){this.tokens=t,this.index=0,this.args=e,this.macros=i,this.mathList=[],this.style={},this.parseMode="math",this.tabularMode=!1,this.endCount=0}swapMathList(t){const e=this.mathList;return this.mathList=t||[],e}swapParseMode(t){const e=this.parseMode;return this.parseMode=t,e}end(){return this.endCount++,this.index>=this.tokens.length||this.endCount>1e3}get(){return this.endCount=0,this.index<this.tokens.length?this.tokens[this.index++]:null}peek(t){const e=this.index+(t||0);return e<this.tokens.length?this.tokens[e]:null}lastMathAtom(){const t=0===this.mathList.length?"none":this.mathList[this.mathList.length-1].type;if("mop"!==t&&"msubsup"!==t){const t=new re(this.parseMode,"msubsup","​");t.attributes={"aria-hidden":!0},this.mathList.push(t)}return this.mathList[this.mathList.length-1]}hasToken(t){const e=this.index;return e<this.tokens.length&&this.tokens[e].type===t}hasLiteral(t){const e=this.index;return e<this.tokens.length&&"literal"===this.tokens[e].type&&(!t||this.tokens[e].value===t)}hasLiteralPattern(t){return this.hasToken("literal")&&t.test(this.tokens[this.index].value)}hasCommand(t){const e=this.index;return e<this.tokens.length&&"command"===this.tokens[e].type&&this.tokens[e].value===t}hasInfixCommand(){const t=this.index;if(t<this.tokens.length&&"command"===this.tokens[t].type){const e=At.getInfo("\\"+this.tokens[t].value,this.parseMode,this.macros);return e&&e.infix}return!1}hasColumnSeparator(){const t=this.index;return!!(this.tabularMode&&t<this.tokens.length)&&"literal"===this.tokens[t].type&&"&"===this.tokens[t].value}hasRowSeparator(){const t=this.index;return!!(this.tabularMode&&t<this.tokens.length)&&"command"===this.tokens[t].type&&("\\"===this.tokens[t].value||"cr"===this.tokens[t].value)}parseColumnSeparator(){return!!this.hasColumnSeparator()&&(this.index++,!0)}placeholder(){if(this.args&&"string"==typeof this.args["?"])return ce(n(this.args["?"]),this.parseMode,null,this.macros);const t=new re(this.parseMode,"placeholder","?",this.style);return t.captureSelection=!0,[t]}hasImplicitCommand(t){if(this.index<this.tokens.length){const e=this.tokens[this.index];if("command"===e.type)return t.includes(e.value)}return!1}parseRowSeparator(){return!!this.hasRowSeparator()&&(this.index++,!0)}parseToken(t){return!!this.hasToken(t)&&(this.index++,!0)}skipWhitespace(){let t=!1;for(;this.hasToken("space");)this.index++,t=!0;return t}skipUntilToken(t){for(;!this.end()&&!this.parseToken(t);)this.get()}parseCommand(t){return!!this.hasCommand(t)&&(this.index++,!0)}parseLiteral(t){return!!this.hasLiteral(t)&&(this.index++,!0)}parseFiller(){let t=!1,e=!1;do{const i=this.skipWhitespace(),s=this.parseCommand("relax");t=t||i||s,e=!i&&!s}while(!e);return t}parseKeyword(t){const e=this.index;let i=this.end(),s="";for(;!i;){const e=this.get();"literal"===e.type&&(s+=e.value),i=this.end()||"literal"!==e.type||s.length>=t.length}const a=t.toUpperCase()===s.toUpperCase();return a||(this.index=e),a}scanString(){let t="",e=this.end();for(;!e;){if(this.hasLiteral("]"))e=!0;else if(this.hasToken("literal"))t+=this.get().value;else if(this.skipWhitespace())t+=" ";else if(this.hasToken("command")){const e=this.get();"space"===e.value?t+=" ":t+=e.value}else e=!0;e=e||this.end()}return t}scanColor(){return se(this.scanString())}scanNumber(t){const e=this.parseLiteral("-");e||this.parseLiteral("+"),this.skipWhitespace(),t=!!t;let i=10,s=/[0-9]/;this.parseLiteral("'")?(i=8,s=/[0-7]/,t=!0):(this.parseLiteral('"')||this.parseLiteral("x"))&&(i=16,s=/[0-9A-F]/,t=!0);let a="";for(;this.hasLiteralPattern(s);)a+=this.get().value;if(!t&&(this.parseLiteral(".")||this.parseLiteral(",")))for(a+=".";this.hasLiteralPattern(s);)a+=this.get().value;const o=t?parseInt(a,i):parseFloat(a);return e?-o:o}scanDimen(){const t=this.scanNumber(!1);let e;return this.skipWhitespace(),e=this.parseKeyword("pt")?m.toEm(t,"pt"):this.parseKeyword("mm")?m.toEm(t,"mm"):this.parseKeyword("cm")?m.toEm(t,"cm"):this.parseKeyword("ex")?m.toEm(t,"ex"):this.parseKeyword("px")?m.toEm(t,"px"):this.parseKeyword("em")?m.toEm(t,"em"):this.parseKeyword("bp")?m.toEm(t,"bp"):this.parseKeyword("dd")?m.toEm(t,"dd"):this.parseKeyword("pc")?m.toEm(t,"pc"):this.parseKeyword("in")?m.toEm(t,"in"):this.parseKeyword("mu")?m.toEm(t,"mu"):m.toEm(t,"pt"),e}scanSkip(){const t=this.scanDimen();return this.skipWhitespace(),this.parseKeyword("plus")&&this.scanDimen(),this.skipWhitespace(),this.parseKeyword("minus")&&this.scanDimen(),t}scanColspec(){this.skipWhitespace();const t=[];for(;!this.end()&&!this.hasToken("}")&&!this.hasLiteral("]");)if(this.hasLiteral()){const e=this.get().value;if("lcr".includes(e))t.push({align:e});else if("|"===e)t.push({rule:!0});else if("@"===e){if(this.parseToken("{")){const e=this.swapParseMode("math");t.push({gap:this.scanImplicitGroup(t=>"}"===t.type)}),this.swapParseMode(e)}this.parseToken("}")}}return t}scanModeSet(){let t;if(this.parseCommand("(")&&(t=")"),!t&&this.parseCommand("[")&&(t="]"),!t)return null;const e=this.swapParseMode("math"),i=new re("math","group");return i.mathstyle=")"===t?"textstyle":"displaystyle",i.body=this.scanImplicitGroup(e=>"command"===e.type&&e.value===t),this.parseCommand(t),this.swapParseMode(e),i.body&&0!==i.body.length?i:null}scanModeShift(){if(!this.hasToken("$")&&!this.hasToken("$$"))return null;const t=this.get().type,e=new re("math","group");e.mathstyle="$"===t?"textstyle":"displaystyle",e.latexOpen="textstyle"===e.mathstyle?"$":"$$",e.latexClose=e.latexOpen;const i=this.swapParseMode("math");return e.body=this.scanImplicitGroup(e=>e.type===t),this.parseToken(t),this.swapParseMode(i),e.body&&0!==e.body.length?e:null}scanEnvironment(){if(!this.parseCommand("begin"))return null;const t=this.scanArg("string"),e=At.getEnvironmentInfo(t),i=[];if(e&&e.params)for(const t of e.params)if(t.optional){const e=this.scanOptionalArg(t.type);i.push(e)}else i.push(this.scanArg(t.type));const s=this.parseMode,a=this.tabularMode,o=this.swapMathList([]);this.tabularMode=e.tabular;const n=[],r=[];let l=[],c=!1;do{if(c=this.end(),!c&&this.parseCommand("end")&&(c=this.scanArg("string")===t),!c)if(this.parseColumnSeparator())l.push(this.swapMathList([]));else if(this.parseRowSeparator()){l.push(this.swapMathList([]));let t=0;this.skipWhitespace(),this.parseLiteral("[")&&(t=this.scanDimen(),this.skipWhitespace(),this.parseLiteral("]")),r.push(t||0),n.push(l),l=[]}else this.mathList=this.mathList.concat(this.scanImplicitGroup())}while(!c);l.push(this.swapMathList([])),l.length>0&&n.push(l);const h=this.swapMathList(o);if(this.parseMode=s,this.tabularMode=a,!e.tabular&&0===h.length)return null;if(e.tabular&&0===n.length)return null;const d=new re(this.parseMode,"array",h,e.parser?e.parser(t,i,n):{});return d.array=n,d.rowGaps=r,d.env={...e},d.env.name=t,d}scanImplicitGroup(t){const e=this.style;t||(t=t=>"}"===t.type||"literal"===t.type&&"&"===t.value||"command"===t.type&&/^(end|cr|\\)$/.test(t.value));let i=null,s=null;const a=this.swapMathList([]);for(;!this.end()&&!t(this.peek());)if(this.hasImplicitCommand(["displaystyle","textstyle","scriptstyle","scriptscriptstyle"])){this.parseMode="math";const t=new re("math","mathstyle");t.mathstyle=this.get().value,this.mathList.push(t)}else this.hasInfixCommand()&&!i?(i=this.get(),s=this.swapMathList([])):this.parseAtom();let o;if(i){const t=this.swapMathList(a),e=At.getInfo("\\"+i.value,"math",this.macros);o=e?[new re(this.parseMode,e.type,e.value||i.value,e.parse?e.parse("\\"+i.value,[s,t]):null)]:[new re(this.parseMode,"mop",i.value)]}else o=this.swapMathList(a);return this.style=e,o}scanGroup(){if(!this.parseToken("{"))return null;const t=new re(this.parseMode,"group");return t.body=this.scanImplicitGroup(t=>"}"===t.type),this.parseToken("}"),t.latexOpen="{",t.latexClose="}",t}scanSmartFence(){if(this.skipWhitespace(),!this.parseLiteral("("))return null;const t=new re(this.parseMode,"leftright");t.leftDelim="(",t.inner=!1;const e=this.swapMathList([]);let i=1;for(;!this.end()&&0!==i;)this.hasLiteral("(")&&(i+=1),this.hasLiteral(")")&&(i-=1),0!==i&&this.parseAtom();return 0===i&&this.parseLiteral(")"),t.rightDelim=0===i?")":"?",t.body=this.swapMathList(e),t}scanDelim(){this.skipWhitespace();const t=this.get();if(!t)return null;let e=".";"command"===t.type?e="\\"+t.value:"literal"===t.type&&(e=t.value);const i=At.getInfo(e,"math",this.macros);return i?"mopen"===i.type||"mclose"===i.type?e:/^(\?|\||<|>|\\vert|\\Vert|\\\||\\surd|\\uparrow|\\downarrow|\\Uparrow|\\Downarrow|\\updownarrow|\\Updownarrow|\\mid|\\mvert|\\mVert)$/.test(e)?e:null:null}scanLeftRight(){if(this.parseCommand("right")||this.parseCommand("mright"))return null;const t=this.style;let e="right";if(!this.parseCommand("left")){if(!this.parseCommand("mleft"))return null;e="mright"}const i=this.scanDelim();if(!i)return null;const s=this.swapMathList([]);for(;!this.end()&&!this.parseCommand(e);)this.parseAtom();this.style=t;const a=this.scanDelim(),o=new re(this.parseMode,"leftright");return o.leftDelim=i,o.rightDelim=a,o.inner="right"===e,o.body=this.swapMathList(s),o}parseSupSub(){if("math"!==this.parseMode)return!1;let t=!1;for(;this.hasLiteral("^")||this.hasLiteral("_")||this.hasLiteral("'");){let e;if(this.hasLiteral("^")?e="superscript":this.hasLiteral("_")&&(e="subscript"),this.parseLiteral("^")||this.parseLiteral("_")){const i=this.scanArg();if(i){const s=this.lastMathAtom();s[e]=s[e]||[],s[e]=s[e].concat(i),t=!0}}else if(this.parseLiteral("'")){const e=this.lastMathAtom();e.superscript=e.superscript||[],e.superscript.push(new re(e.parseMode,"mord","′")),t=!0}}return t}parseLimits(){if(this.parseCommand("limits")){const t=this.lastMathAtom();return t.limits="limits",t.explicitLimits=!0,!0}if(this.parseCommand("nolimits")){const t=this.lastMathAtom();return t.limits="nolimits",t.explicitLimits=!0,!0}return!1}scanOptionalArg(t){if(t=t&&"auto"!==t?t:this.parseMode,this.skipWhitespace(),!this.parseLiteral("["))return null;const e=this.parseMode;this.parseMode=t;const i=this.swapMathList();let s;for(;!this.end()&&!this.parseLiteral("]");)if("string"===t)s=this.scanString();else if("number"===t)s=this.scanNumber();else if("dimen"===t)s=this.scanDimen();else if("skip"===t)s=this.scanSkip();else if("colspec"===t)s=this.scanColspec();else if("color"===t)s=this.scanColor()||"#ffffff";else if("bbox"===t){const t=this.scanString().toLowerCase().trim().split(/,(?![^(]*\)(?:(?:[^(]*\)){2})*[^"]*$)/);for(const e of t){const t=se(e);if(t)s=s||{},s.backgroundcolor=t;else{const t=e.match(/^\s*([0-9.]+)\s*([a-z][a-z])/);if(t)s=s||{},s.padding=m.toEm(t[1],t[2]);else{const t=e.match(/^\s*border\s*:\s*(.*)/);t&&(s=s||{},s.border=t[1])}}}}else this.mathList=this.mathList.concat(this.scanImplicitGroup(t=>"literal"===t.type&&"]"===t.value));this.parseMode=e;const a=this.swapMathList(i);return s||a}scanArg(t){let e;if(t=t&&"auto"!==t?t:this.parseMode,this.parseFiller(),!this.parseToken("{")){if("delim"===t)return this.scanDelim()||".";if(/^(math|text)$/.test(t)){const e=this.parseMode;this.parseMode=t;const i=this.scanToken();return this.parseMode=e,Array.isArray(i)?i:i?[i]:null}}if(this.hasToken("#")){const t=this.get();return this.skipUntilToken("}"),"?"===t.value?this.placeholder():this.args?void 0===this.args[t.value]&&void 0!==this.args["?"]?this.placeholder():this.args[t.value]||null:null}const i=this.parseMode;this.parseMode=t;const s=this.swapMathList([]);if("string"===t)e=this.scanString(),this.skipUntilToken("}");else if("number"===t)e=this.scanNumber(),this.skipUntilToken("}");else if("dimen"===t)e=this.scanDimen(),this.skipUntilToken("}");else if("skip"===t)e=this.scanSkip(),this.skipUntilToken("}");else if("colspec"===t)e=this.scanColspec(),this.skipUntilToken("}");else if("color"===t)e=this.scanColor()||"#ffffff",this.skipUntilToken("}");else if("delim"===t)e=this.scanDelim()||".",this.skipUntilToken("}");else do{this.mathList=this.mathList.concat(this.scanImplicitGroup())}while(!this.parseToken("}")&&!this.end());this.parseMode=i;const a=this.swapMathList(s);return e||a}scanToken(){const t=this.get();if(!t)return null;let e=null;if("space"===t.type)"text"===this.parseMode&&(e=new re("text",""," ",this.style));else if("placeholder"===t.type)e=new re(this.parseMode,"placeholder",t.value),e.captureSelection=!0;else if("command"===t.type){if("placeholder"===t.value)e=new re(this.parseMode,"placeholder",this.scanArg("string"),this.style),e.captureSelection=!0;else if("char"===t.value){let t=Math.floor(this.scanNumber(!0));(!isFinite(t)||t<0||t>1114111)&&(t=10067),e=new 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this.siblings().splice(e.start,e.end-e.start),this.setSelection(e.start-1,0);this.contentDidChange()}},we.prototype.removeCommandString=function(){this.contentWillChange();const t=this.suppressChangeNotifications;this.suppressChangeNotifications=!0,function t(e){if(e)if(Array.isArray(e))for(let i=e.length-1;i>=0;i--)"command"===e[i].type?e.splice(i,1):t(e[i]);else if(t(e.body),t(e.superscript),t(e.subscript),t(e.underscript),t(e.overscript),t(e.numer),t(e.denom),t(e.index),e.array)for(let i=_e(e.array);i>=0;i--)t(Ce(e.array,i))}(this.root.body),this.suppressChangeNotifications=t,this.contentDidChange()},we.prototype.extractArgBeforeInsertionPoint=function(){const t=this.siblings();if(t.length<=1)return[];const e=[];let i=this.startOffset();if("text"===t[i].mode)for(;i>=1&&"text"===t[i].mode;)e.unshift(t[i]),i--;else for(;i>=1&&/^(mord|surd|msubsup|leftright|mop)$/.test(t[i].type);)e.unshift(t[i]),i--;return e},we.prototype.setSelection=function(t,e,i){t=t||0,e=e||0;const s=this.path[this.path.length-1].relation;i||(i=s);const a=this.parent();if(!a&&"body"!==i)return!1;const o=i.startsWith("cell");if(!o&&!a[i]||o&&!a.array)return!1;const n=i!==s;this.path[this.path.length-1].relation=i;const r=this.siblings().length;this.path[this.path.length-1].relation=s;const l=this.extent;"end"===e?e=r-t-1:"start"===e&&(e=-t),this.setExtent(e);const c=this.extent!==l;this.setExtent(l),t<0&&(t=r+t),t=Math.max(0,Math.min(t,r-1));const h=this.path[this.path.length-1].offset;return(n||h!==t||c)&&(n&&this.adjustPlaceholder(),this.selectionWillChange(),this.path[this.path.length-1].relation=i,this.path[this.path.length-1].offset=t,this.setExtent(e),this.selectionDidChange()),!0},we.prototype.next=function(t){t=t||{};const e={body:"numer",numer:"denom",denom:"index",index:"overscript",overscript:"underscript",underscript:"subscript",subscript:"superscript"};if(this.anchorOffset()===this.siblings().length-1){this.adjustPlaceholder();let i=e[this.relation()];const s=this.parent();for(;i&&!s[i];)i=e[i];if(i)return void this.setSelection(0,0,i);if(this.parent().array){const t=_e(this.parent().array);let e=parseInt(this.relation().match(/cell([0-9]*)$/)[1])+1;for(;e<t;){if(Ce(this.parent().array,e)&&this.setSelection(0,0,"cell"+e))return void this.selectionDidChange();e+=1}}if(1===this.path.length)(this.suppressChangeNotifications||!this.config.onMoveOutOf||this.config.onMoveOutOf(this,"forward"))&&(this.path[0].offset=0);else{const e=!t.iterateAll&&this.parent().skipBoundary;this.path.pop(),e&&this.next(t)}return void this.selectionDidChange()}this.setSelection(this.anchorOffset()+1);const i=this.anchor();if(i&&!i.captureSelection){let s;if(i.array){let t=0;s="";const e=_e(i.array);for(;!s&&t<e;)Ce(i.array,t)&&(s="cell"+t.toString()),t+=1;return this.path.push({relation:s,offset:0}),void this.setSelection(0,0,s)}for(s="body";s;){if(Array.isArray(i[s]))return this.path.push({relation:s,offset:0}),this.insertFirstAtom(),void(!t.iterateAll&&i.skipBoundary&&this.next(t));s=e[s]}}},we.prototype.previous=function(t){const e={numer:"body",denom:"numer",index:"denom",overscript:"index",underscript:"overscript",subscript:"underscript",superscript:"subscript"};if(!(t=t||{}).iterateAll&&1===this.anchorOffset()&&this.parent()&&this.parent().skipBoundary&&this.setSelection(0),this.anchorOffset()<1){let t=e[this.relation()];for(;t&&!this.setSelection(-1,0,t);)t=e[t];const i=this.parent()?this.parent().type:"none";if("body"!==t||"msubsup"!==i&&"mop"!==i||(t=null),t)return;if(this.adjustPlaceholder(),this.selectionWillChange(),this.relation().startsWith("cell")){let t=parseInt(this.relation().match(/cell([0-9]*)$/)[1])-1;for(;t>=0;){if(Ce(this.parent().array,t)&&this.setSelection(-1,0,"cell"+t))return void this.selectionDidChange();t-=1}}return 1===this.path.length?(this.suppressChangeNotifications||!this.config.onMoveOutOf||this.config.onMoveOutOf.bind(this)(-1))&&(this.path[0].offset=this.root.body.length-1):(this.path.pop(),this.setSelection(this.anchorOffset()-1)),void this.selectionDidChange()}const i=this.anchor();if(!i.captureSelection){let t;if(i.array){t="";const e=_e(i.array);let s=e-1;for(;!t&&s<e;)Ce(i.array,s)&&(t="cell"+s.toString()),s-=1;return s+=1,this.path.push({relation:t,offset:Ce(i.array,s).length-1}),void this.setSelection(-1,0,t)}for(t="superscript";t;){if(Array.isArray(i[t]))return this.path.push({relation:t,offset:i[t].length-1}),void this.setSelection(-1,0,t);t=e[t]}}this.setSelection(this.anchorOffset()-1),!t.iterateAll&&this.sibling(0)&&this.sibling(0).skipBoundary&&this.previous(t)},we.prototype.move=function(t,e){const i=(e=e||{extend:!1}).extend||!1;if(this.removeSuggestion(),i)this.extend(t,e);else{const e=Se(this);if(t>0)for(this.collapseForward()&&t--;t>0;)this.next(),t--;else if(t<0)for(this.collapseBackward()&&t++;0!==t;)this.previous(),t++;this._announce("move",e)}},we.prototype.up=function(t){const e=(t=t||{extend:!1}).extend||!1;this.collapseBackward();const i=this.relation();if("denom"===i)e?(this.selectionWillChange(),this.path.pop(),this.path[this.path.length-1].offset-=1,this.setExtent(1),this.selectionDidChange()):this.setSelection(this.anchorOffset(),0,"numer"),this._announce("moveUp");else if(this.parent().array){let e=Me(this.parent().array,i);e=Le(this.parent().array,e,-1),e&&Ce(e)?(this.path[this.path.length-1].relation="cell"+Ae(this.parent().array,e),this.setSelection(this.anchorOffset()),this._announce("moveUp")):this.move(-1,t)}else this._announce("line")},we.prototype.down=function(t){const e=(t=t||{extend:!1}).extend||!1;this.collapseForward();const i=this.relation();if("numer"===i)e?(this.selectionWillChange(),this.path.pop(),this.path[this.path.length-1].offset-=1,this.setExtent(1),this.selectionDidChange()):this.setSelection(this.anchorOffset(),0,"denom"),this._announce("moveDown");else if(this.parent().array){let e=Me(this.parent().array,i);e=Le(this.parent().array,e,1),e&&Ce(e)?(this.path[this.path.length-1].relation="cell"+Ae(this.parent().array,e),this.setSelection(this.anchorOffset()),this._announce("moveDown")):this.move(1,t)}else this._announce("line")},we.prototype.extend=function(t){let e=this.path[this.path.length-1].offset,i=0;const s=Se(this);i=this.extent+t;const a=e+i;if(a<0&&0!==i){if(this.path.length>1)return this.selectionWillChange(),this.path.pop(),this.setExtent(-1),this.selectionDidChange(),void this._announce("move",s);e=this.path[this.path.length-1].offset,i=this.extent}else if(a>=this.siblings().length){if(this.path.length>1)return this.selectionWillChange(),this.path.pop(),this.path[this.path.length-1].offset-=1,this.setExtent(1),this.selectionDidChange(),void this._announce("move",s);this.isCollapsed()&&(e-=1),i-=1}this.setSelection(e,i),this._announce("move",s)},we.prototype.skip=function(t,e){const i=(e=e||{extend:!1}).extend||!1;t=t<0?-1:1;const s=Se(this),a=this.siblings(),o=this.focusOffset();let n=o+t;if(i&&(n=Math.min(Math.max(0,n),a.length-1)),n<0||n>=a.length)this.move(t,e);else{if(a[n]&&"text"===a[n].mode){if(n=this.wordBoundaryOffset(n,t),n<0&&!i)return void this.setSelection(0);if(n>a.length)return this.setSelection(a.length-1),void this.move(t,e)}else{const e=a[n]?a[n].type:"";if("mopen"===e&&t>0||"mclose"===e&&t<0){let i="mopen"===e?1:-1;for(n+=t>0?1:-1;n>=0&&n<a.length&&0!==i;)"mopen"===a[n].type?i+=1:"mclose"===a[n].type&&(i-=1),n+=t;0!==i&&(n=o+t),t>0&&(n-=1)}else{for(;a[n]&&"math"===a[n].mode&&a[n].type===e;)n+=t;n-=t>0?1:0}}if(i){const t=this.anchorOffset();this.setSelection(t,n-t)}else this.setSelection(n);this._announce("move",s)}},we.prototype.jump=function(t,e){const i=(e=e||{extend:!1}).extend||!1;t=t<0?-1:1;const s=this.siblings();let a=this.focusOffset();t>0&&(a=Math.min(a+1,s.length-1));const o=t<0?0:s.length-1;i?this.extend(o-a):this.move(o-a)},we.prototype.jumpToMathFieldBoundary=function(t,e){const i=(e=e||{extend:!1}).extend||!1;t=(t=t||1)<0?-1:1;const s=Se(this),a=[{relation:"body",offset:this.path[0].offset}];let o;i?t<0?a[0].offset>0&&(o=-a[0].offset):a[0].offset<this.siblings().length-1&&(o=this.siblings().length-1-a[0].offset):(a[0].offset=t<0?0:this.root.body.length-1,o=0),this.setPath(a,o),this._announce("move",s)},we.prototype.leap=function(t,e){t=(t=t||1)<0?-1:1,e=e||!0;const i=this.suppressChangeNotifications;this.suppressChangeNotifications=!0;const s=Se(this),a=this.extent;this.move(t),"placeholder"===this.anchor().type&&this.move(t);const o=this.filter((t,e)=>"placeholder"===e.type||t.length>1&&1===this.siblings().length,t);if(0===o.length){if(this.setPath(s,a),e)if(this.config.onTabOutOf)this.config.onTabOutOf(this.target,t>0?"forward":"backward");else if(document.activeElement){const e='a[href]:not([disabled]),\n                    button:not([disabled]),\n                    textarea:not([disabled]),\n                    input[type=text]:not([disabled]),\n                    select:not([disabled]),\n                    [contentEditable="true"],\n                    [tabindex]:not([disabled]):not([tabindex="-1"])',i=Array.prototype.filter.call(document.querySelectorAll(e),t=>(t.offsetWidth>0||t.offsetHeight>0)&&!t.contains(document.activeElement)||t===document.activeElement);let s=i.indexOf(document.activeElement)+t;s<0&&(s=i.length-1),s>=i.length&&(s=0),i[s].focus()}return this.suppressChangeNotifications=i,!1}return this.selectionWillChange(),this.setPath(o[0]),"placeholder"===this.anchor().type&&this.setExtent(-1),this._announce("move",s),this.selectionDidChange(),this.suppressChangeNotifications=i,!0},we.prototype.anchorMode=function(){const t=this.isCollapsed()?this.anchor():this.sibling(1);let e;if(t){if("commandliteral"===t.type||"command"===t.type)return"command";e=t.mode}let i=1,s=this.ancestor(i);for(;!e&&s;)s&&(e=s.mode),i+=1,s=this.ancestor(i);return e},we.prototype.anchorStyle=function(){const t=this.isCollapsed()?this.anchor():this.sibling(1);let e;if(t&&"first"!==t.type){if("commandliteral"===t.type||"command"===t.type)return{};e={color:t.color,backgroundColor:t.backgroundColor,fontFamily:t.fontFamily,fontShape:t.fontShape,fontSeries:t.fontSeries,fontSize:t.fontSize}}let i=1,s=this.ancestor(i);for(;!e&&s;)s&&(e={color:s.color,backgroundColor:s.backgroundColor,fontFamily:s.fontFamily,fontShape:s.fontShape,fontSeries:s.fontSeries,fontSize:s.fontSize}),i+=1,s=this.ancestor(i);return e},we.prototype.simplifyParen=function(t){if(t&&this.config.removeExtraneousParentheses){for(let e=0;t[e];e++)if("leftright"===t[e].type&&"("===t[e].leftDelim&&Array.isArray(t[e].body)){let i=0,s=0,a=0;for(let o=0;t[e].body[o];o++)"genfrac"===t[e].body[o].type&&(i++,s=o),"first"!==t[e].body[o].type&&a++;0===a&&1===i&&(t[e]=t[e].body[s])}t.forEach(t=>{if("genfrac"===t.type&&(this.simplifyParen(t.numer),this.simplifyParen(t.denom),t.numer=ze(t.numer),t.denom=ze(t.denom)),t.superscript&&(this.simplifyParen(t.superscript),t.superscript=ze(t.superscript)),t.subscript&&(this.simplifyParen(t.subscript),t.subscript=ze(t.subscript)),t.underscript&&(this.simplifyParen(t.underscript),t.underscript=ze(t.underscript)),t.overscript&&(this.simplifyParen(t.overscript),t.overscript=ze(t.overscript)),t.index&&(this.simplifyParen(t.index),t.index=ze(t.index)),"surd"===t.type?(this.simplifyParen(t.body),t.body=ze(t.body)):t.body&&Array.isArray(t.body)&&this.simplifyParen(t.body),t.array)for(let e=_e(t.array);e>=0;e--)this.simplifyParen(Ce(t.array,e))})}},we.prototype.insert=function(t,e){if((e=e||{}).smartFence&&this._insertSmartFence(t,e.style))return;const i=this.suppressChangeNotifications;e.suppressChangeNotifications&&(this.suppressChangeNotifications=!0),this.contentWillChange();const s=this.suppressChangeNotifications;this.suppressChangeNotifications=!0,e.insertionMode||(e.insertionMode="replaceSelection"),e.selectionMode||(e.selectionMode="placeholder"),e.format||(e.format="auto"),e.macros=e.macros||this.config.macros;const a=e.mode||this.anchorMode();let o;const r=[this.getSelectedAtoms()];void 0!==e.placeholder&&(r["?"]=e.placeholder),"replaceSelection"!==e.insertionMode||this.isCollapsed()?"replaceAll"===e.insertionMode?(this.root.body.splice(1),this.path=[{relation:"body",offset:0}],this.extent=0):"insertBefore"===e.insertionMode?this.collapseBackward():"insertAfter"===e.insertionMode&&this.collapseForward():this.delete_();const l=this.siblings(),c=this.startOffset();if(c+1<l.length&&l[c+1]&&"placeholder"===l[c+1].type?this.delete_(1):c>0&&l[c]&&"placeholder"===l[c].type&&this.delete_(-1),"math"===a&&"ASCIIMath"===e.format)t=Ee(t,{...this.config,format:"ASCIIMath"}),o=he.parseTokens(n(t),"math",null,e.macros,!1),this.simplifyParen(o);else if("text"!==a&&"auto"===e.format)if("command"===a){o=[];for(const e of t)At.COMMAND_MODE_CHARACTERS.test(e)&&o.push(new te.MathAtom("command","command",e))}else""===t?o=[new te.MathAtom("command","command","\\")]:(t=Ee(t,this.config),r[0]?t=t.replace(/(^|[^\\])#@/g,"$1#0"):/(^|[^\\])#@/.test(t)?(t=t.replace(/(^|[^\\])#@/g,"$1#0"),r[0]=this.extractArgBeforeInsertionPoint(),this._deleteAtoms(-r[0].length),Array.isArray(r[0])&&0===r[0].length&&(r[0]=void 0)):t=t.replace(/(^|[^\\])#@/g,"$1#?"),o=he.parseTokens(n(t),a,r,e.macros,e.smartFence),this.simplifyParen(o));else"latex"===e.format?o=he.parseTokens(n(t),a,r,e.macros,e.smartFence):"text"!==a&&"text"!==e.format||(t=(t=(t=(t=(t=(t=(t=(t=(t=(t=(t=t.replace(/\\/g,"\\textbackslash ")).replace(/#/g,"\\#")).replace(/\$/g,"\\$")).replace(/%/g,"\\%")).replace(/&/g,"\\&")).replace(/_/g,"\\_")).replace(/{/g,"\\textbraceleft ")).replace(/}/g,"\\textbraceright ")).replace(/\^/g,"\\textasciicircum ")).replace(/~/g,"\\textasciitilde ")).replace(/£/g,"\\textsterling "),o=he.parseTokens(n(t),"text",r,e.macros,!1));!function t(e,i){e&&i&&(Array.isArray(e)?e.forEach(e=>t(e,i)):"object"==typeof e&&(e.color||e.backgroundColor||e.fontFamily||e.fontShape||e.fontSeries||e.fontSize||(e.applyStyle(i),t(e.body,i),t(e.numer,i),t(e.denom,i),t(e.index,i),t(e.overscript,i),t(e.underscript,i),t(e.subscript,i),t(e.superscript,i))))}(o,e.style);const h=this.parent();if(this.config.removeExtraneousParentheses&&h&&"leftright"===h.type&&"("===h.leftDelim&&function(t){return 0===t.length||1===t.length&&"first"===t[0].type}(h.body)&&o&&1===o.length&&"genfrac"===o[0].type?(this.path.pop(),this.siblings()[this.anchorOffset()]=o[0]):Array.prototype.splice.apply(this.siblings(),[this.anchorOffset()+1,0].concat(o)),this.insertFirstAtom(),this.suppressChangeNotifications=s,"placeholder"===e.selectionMode){let t=[];for(const e of o)t=t.concat(e.filter(t=>"placeholder"===t.type));0!==t.length&&this.leap(1,!1)?this._announce("move"):this.setSelection(this.anchorOffset()+o.length)}else"before"===e.selectionMode||("after"===e.selectionMode?this.setSelection(this.anchorOffset()+o.length):"item"===e.selectionMode&&this.setSelection(this.anchorOffset(),o.length));this.contentDidChange(),this.suppressChangeNotifications=i},we.prototype._insertSmartFence=function(t,e){const i=this.parent();if("leftright"===i.type&&"|"!==i.leftDelim&&/\||\\vert|\\Vert|\\mvert|\\mid/.test(t))return this.insert("\\,\\middle"+t+"\\, ",{mode:"math",format:"latex",style:e}),!0;"{"!==t&&"\\{"!==t||(t="\\lbrace"),"}"!==t&&"\\}"!==t||(t="\\rbrace"),"["!==t&&"\\["!==t||(t="\\lbrack"),"]"!==t&&"\\]"!==t||(t="\\rbrack");const s=At.RIGHT_DELIM[t];if(s&&("leftright"!==i.type||"|"!==i.leftDelim)){let i="";const a=this.isCollapsed()||"placeholder"===this.anchor().type;i=this.sibling(0).isFunction?"\\mleft"+t+"\\mright":"\\left"+t+"\\right",i+=a?"?":s;let o=[];return a&&(o=this.siblings().splice(this.anchorOffset()+1,this.siblings().length)),this.insert(i,{mode:"math",format:"latex",style:e}),a&&(this.sibling(0).body=o,this.move(-1)),!0}let a;if(Object.keys(At.RIGHT_DELIM).forEach(e=>{t===At.RIGHT_DELIM[e]&&(a=e)}),a){if(i&&"leftright"===i.type&&this.endOffset()===this.siblings().length-1)return this.contentWillChange(),i.rightDelim=t,this.move(1),this.contentDidChange(),!0;const s=this.siblings();let a;for(a=this.endOffset();a>=0&&("leftright"!==s[a].type||"?"!==s[a].rightDelim);a--);if(a>=0)return this.contentWillChange(),s[a].rightDelim=t,s[a].body=s[a].body.concat(s.slice(a+1,this.endOffset()+1)),s.splice(a+1,this.endOffset()-a),this.setSelection(a),this.contentDidChange(),!0;if(i&&"leftright"===i.type&&"?"===i.rightDelim){this.contentWillChange(),i.rightDelim=t;const e=s.slice(this.endOffset()+1);return s.splice(this.endOffset()+1),this.path.pop(),Array.prototype.splice.apply(this.siblings(),[this.endOffset()+1,0].concat(e)),this.contentDidChange(),!0}const o=this.ancestor(2);return o&&"leftright"===o.type&&"?"===o.rightDelim&&this.endOffset()===s.length-1?(this.move(1),this._insertSmartFence(t,e)):(this.insert(t,{mode:"math",format:"latex",style:e}),!0)}return!1},we.prototype.positionInsertionPointAfterCommitedCommand=function(){const t=this.siblings(),e=this.commandOffsets();let i=e.start;for(;i<e.end&&!t[i].suggestion;)i++;this.setSelection(i-1)},we.prototype.removeSuggestion=function(){const t=this.siblings();for(let e=t.length-1;e>=0;e--)t[e].suggestion&&t.splice(e,1)},we.prototype.insertSuggestion=function(t,e){this.removeSuggestion();const i=[],s=t.substr(e);for(const t of s){const e=new te.MathAtom("command","command",t);e.suggestion=!0,i.push(e)}Array.prototype.splice.apply(this.siblings(),[this.anchorOffset()+1,0].concat(i))},we.prototype._deleteAtoms=function(t){t>0?this.siblings().splice(this.anchorOffset()+1,t):(this.siblings().splice(this.anchorOffset()+t+1,-t),this.setSelection(this.anchorOffset()+t))},we.prototype.delete=function(t){if(0===(t=t||0))this.delete_(0);else if(t>0)for(;t>0;)this.delete_(1),t--;else for(;t<0;)this.delete_(-1),t++},we.prototype.delete_=function(t){this.contentWillChange(),this.selectionWillChange();const 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":{label:"&Sigma;",insert:"\\Sigma "},"\\epsilon ":{label:"&#x0190;",insert:'{\\char"0190}'},"\\rho ":{label:"&#x3A1",insert:'{\\char"3A1}'},"\\tau ":{label:"&#x3A4;",insert:'{\\char"3A4}'},"\\upsilon ":{label:"&Upsilon;",insert:"\\Upsilon "},"\\theta ":{label:"&Theta;",insert:"\\Theta "},"\\iota ":{label:"&Iota;",insert:'{\\char"399}'},"\\omicron ":{label:"&#x039F;",insert:'{\\char"39F}'},"\\pi ":{label:"&Pi;",insert:"\\Pi "},"\\alpha ":{label:"&Alpha;",insert:'{\\char"391}'},"\\sigma ":{label:"&Sigma;",insert:"\\Sigma "},"\\delta ":{label:"&Delta;",insert:"\\Delta "},"\\phi ":{label:"&#x03a6;",insert:"\\Phi "},"\\gamma ":{label:"&Gamma;",insert:"\\Gamma "},"\\eta ":{label:"&Eta;",insert:'{\\char"397}'},"\\xi ":{label:"&Xi;",insert:"\\Xi "},"\\kappa ":{label:"&Kappa;",insert:'{\\char"39A}'},"\\lambda ":{label:"&Lambda;",insert:"\\Lambda "},"\\zeta ":{label:"&Zeta;",insert:'{\\char"396}'},"\\chi ":{label:"&Chi;",insert:'{\\char"3A7}'},"\\psi ":{label:"&Psi;",insert:"\\Psi "},"\\omega ":{label:"&Omega;",insert:"\\Omega "},"\\beta ":{label:"&Beta;",insert:'{\\char"392}'},"\\nu ":{label:"&Nu;",insert:'{\\char"39D}'},"\\mu ":{label:"&Mu;",insert:'{\\char"39C}'}},ii={0:["\\emptyset","\\varnothing","\\infty",{latex:"#?_0",insert:"#@_0"},"\\circ","\\bigcirc","\\bullet"],2:["\\frac{1}{2}",{latex:"#?^2",insert:"#@^2"}],3:["\\frac{1}{3}",{latex:"#?^3",insert:"#@^3"}],".":[",",";","\\colon",{latex:":",aside:"ratio"},{latex:"\\cdotp",aside:"center dot",classes:"box"},{latex:"\\cdots",aside:"center ellipsis",classes:"box"},{latex:"\\ldotp",aside:"low dot",classes:"box"},{latex:"\\ldots",aside:"low ellipsis",classes:"box"},{latex:"\\vdots",aside:"",classes:"box"},{latex:"\\ddots",aside:"",classes:"box"},"\\odot","\\oslash","\\circledcirc"],"*":["\\cdot","\\ast","\\star","\\bigstar","\\ltimes","\\rtimes","\\rightthreetimes","\\leftthreetimes","\\intercal","\\prod",{latex:"\\prod_{n\\mathop=0}^{\\infty}",classes:"small"}],"+":["\\pm","\\mp","\\sum",{latex:"\\sum_{n\\mathop=0}^{\\infty}",classes:"small"},"\\dotplus","\\oplus"],"-":["\\pm","\\mp","\\ominus","\\vert #0  \\vert"],"/":["\\divideontimes","/","\\div"],"(":["\\left( #0\\right)","\\left[ #0\\right]","\\left\\{ #0\\right\\}","\\left\\langle 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10^{#?}","\\ln","\\ln_{10}","\\log"],"^":["_{#?}"],int:[{latex:"\\int_{#?}^{#?}",classes:"small"},{latex:"\\int",classes:"small"},{latex:"\\smallint",classes:"small"},{latex:"\\iint",classes:"small"},{latex:"\\iiint",classes:"small"},{latex:"\\oint",classes:"small"},{latex:"\\dfrac{\\rd}{\\rd x}",classes:"small"},{latex:"\\frac{\\partial}{\\partial x}",classes:"small"},"\\capitalDifferentialD","\\rd","\\partial"],nabla:["\\nabla\\times","\\nabla\\cdot","\\nabla^{2}"],"!":["!!","\\Gamma","\\Pi"],accents:["\\bar{#@}","\\vec{#@}","\\hat{#@}","\\check{#@}","\\dot{#@}","\\ddot{#@}","\\mathring{#@}","\\breve{#@}","\\acute{#@}","\\tilde{#@}","\\grave{#@}"],A:[{latex:"\\aleph",aside:"aleph"},{latex:"\\forall",aside:"for all"}],a:[{latex:"\\aleph",aside:"aleph"},{latex:"\\forall",aside:"for all"}],b:[{latex:"\\beth",aside:"beth"}],B:[{latex:"\\beth",aside:"beth"}],c:[{latex:"\\C",aside:"set of complex numbers"}],d:[{latex:"\\daleth",aside:"daleth"}],D:[{latex:"\\daleth",aside:"daleth"}],e:[{latex:"\\exponentialE",aside:"exponential e"},{latex:"\\exists",aside:"there is"},{latex:"\\nexists",aside:"there isn’t"}],g:[{latex:"\\gimel",aside:"gimel"}],G:[{latex:"\\gimel",aside:"gimel"}],h:[{latex:"\\hbar",aside:"h bar"},{latex:"\\hslash",aside:"h slash"}],i:[{latex:"\\imaginaryI",aside:"imaginary i"}],j:[{latex:"\\imaginaryJ",aside:"imaginary j"}],l:[{latex:"\\ell",aside:"ell"}],n:[{latex:"\\N",aside:"set of natural numbers"}],p:[{latex:"\\P",aside:"set of primes"}],q:[{latex:"\\Q",aside:"set of rational numbers"}],r:[{latex:"\\R",aside:"set of real numbers"}],z:[{latex:"\\Z",aside:"set of integers"}],"x-var":["y","z","t","r",{latex:"f(#?)",classes:"small"},{latex:"g(#?)",classes:"small"},"x^2","x^n","x_n","x_{n+1}","x_i","x_{i+1}"],"n-var":["i","j","p","k","a","u"],ii:["\\Re","\\Im","\\imaginaryJ","\\Vert #0 \\Vert"],logic:[{latex:"\\exists",aside:"there is"},{latex:"\\nexists",aside:"there isn’t"},{latex:"\\ni",aside:"such that"},{latex:"\\Colon",aside:"such that"},{latex:"\\implies",aside:"implies"},{latex:"\\impliedby",aside:"implied by"},{latex:"\\iff",aside:"if and only if"},{latex:"\\land",aside:"and"},{latex:"\\lor",aside:"or"},{latex:"\\oplus",aside:"xor"},{latex:"\\lnot",aside:"not"},{latex:"\\downarrow",aside:"nor"},{latex:"\\uparrow",aside:"nand"},{latex:"\\curlywedge",aside:"nor"},{latex:"\\bar\\curlywedge",aside:"nand"},{latex:"\\therefore",aside:"therefore"},{latex:"\\because",aside:"because"},{latex:"^\\biconditional",aside:"biconditional"},"\\leftrightarrow","\\Leftrightarrow","\\to","\\models","\\vdash","\\gets","\\dashv","\\roundimplies"],"set-operators":["\\cap","\\cup","\\setminus","\\smallsetminus","\\complement"],"set-relations":["\\in","\\notin","\\ni","\\owns","\\subset","\\supset","\\subseteq","\\supseteq","\\subsetneq","\\supsetneq","\\varsubsetneq","\\subsetneqq","\\nsubset","\\nsupset","\\nsubseteq","\\nsupseteq"],space:[{latex:'\\char"203A\\!\\char"2039',insert:"\\!",aside:"negative thin space<br>⁻³⧸₁₈ em"},{latex:'\\unicode{"203A}\\,\\unicode{"2039}',insert:"\\,",aside:"thin space<br>³⧸₁₈ em"},{latex:'\\unicode{"203A}\\:\\unicode{"2039}',insert:"\\:",aside:"medium space<br>⁴⧸₁₈ em"},{latex:'\\unicode{"203A}\\;\\unicode{"2039}',insert:"\\;",aside:"thick space<br>⁵⧸₁₈ em"},{latex:'\\unicode{"203A}\\ \\unicode{"2039}',insert:"\\ ",aside:"⅓ em"},{latex:'\\unicode{"203A}\\enspace\\unicode{"2039}',insert:"\\enspace",aside:"½ em"},{latex:'\\unicode{"203A}\\quad\\unicode{"2039}',insert:"\\quad",aside:"1 em"},{latex:'\\unicode{"203A}\\qquad\\unicode{"2039}',insert:"\\qquad",aside:"2 em"}],delete:[{label:'<span class="warning"><svg><use xlink:href="#svg-trash" /></svg></span>',command:'"deleteAll"'}],"->|":[]};let si={};const ai={math:"\n        <div class='rows'>\n            <ul>\n                <li class='keycap tex' data-alt-keys='x-var'><i>x</i></li>\n                <li class='keycap tex' data-alt-keys='n-var'><i>n</i></li>\n                <li class='separator w5'></li>\n                <row name='numpad-1'/>\n                <li class='separator w5'></li>\n               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    <li class='keycap tex' data-alt-keys='(' >(</li>\n                <li class='keycap tex' data-alt-keys=')' >)</li>\n                <li class='separator w5'></li>\n                <row name='numpad-3'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex small' data-alt-keys='int' data-latex='\\int_0^\\infty'><span></span></li>\n                <li class='keycap tex' data-latex='\\forall' data-alt-keys='logic' ></li>\n                <li class='action font-glyph bottom right' data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'>&#x232b;</li></ul>\n            </ul>\n            <ul>\n                <li class='keycap' data-alt-keys='foreground-color' data-command='[\"applyStyle\",{\"color\":\"#cc2428\"}]'><span style='border-radius: 50%;width:22px;height:22px; border: 3px solid #cc2428; box-sizing: border-box'></span></li>\n                <li class='keycap' data-alt-keys='background-color' data-command='[\"applyStyle\",{\"backgroundColor\":\"#fff590\"}]'><span style='border-radius: 50%;width:22px;height:22px; background:#fff590; box-sizing: border-box'></span></li>\n                <li class='separator w5'></li>\n                <row name='numpad-4'/>\n                <li class='separator w5'></li>\n                <arrows/>\n            </ul>\n        </div>\n    ","lower-roman":"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <row name='lower-1' shift-layer='upper-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <row name='lower-2'  shift-layer='upper-roman''/>\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <row name='lower-3'  shift-layer='upper-roman''/>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='symbols'>&infin;≠</li>\n                <li class='keycap' data-alt-keys=','>,</li>\n                <li class='keycap w50' data-key=' ' data-alt-keys='space'>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","upper-roman":"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <row name='upper-1'  shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <row name='upper-2' shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <row name='upper-3' shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='symbols'>&infin;≠</li>\n                <li class='keycap' data-alt-keys='.'>;</li>\n                <li class='keycap w50' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>",symbols:"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\lbrace '>{</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rbrace '>}</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='set' data-insert='\\in '>&#x2208;</li>\n                <li class='keycap tex' data-alt-keys='!set' data-insert='\\notin '>&#x2209;</li>\n                <li class='keycap tex' data-insert='\\Re '>&#x211c;<aside>Real</aside></li>\n                <li class='keycap tex' data-insert='\\Im '>&#x2111;<aside>Imaginary</aside></li>\n                <li class='keycap w15' data-insert='\\ulcorner#0\\urcorner '><span><sup>&#x250c;</sup><span><span style='color:#ddd'>o</span><sup>&#x2510;</sup></span><aside>ceil</aside></li>\n                <li class='keycap tex' data-alt-keys='nabla' data-insert='\\nabla '>&#x2207;<aside>nabla</aside></li>\n                <li class='keycap tex' data-alt-keys='infinity' data-insert='\\infty '>&#x221e;</li>\n\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\lbrack '>[</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rbrack '>]</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='subset' data-insert='\\subset '>&#x2282;</li>\n                <li class='keycap tex' data-alt-keys='supset' data-insert='\\supset '>&#x2283;</li>\n                <li class='keycap tex' data-key='!' data-alt-keys='!'>!<aside>factorial</aside></li>\n 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class='keycap tex' data-insert='\\supseteq '>&#x2287;</li>\n                <li class='keycap tex' data-alt-keys='accents' data-insert='\\vec{#@}' data-latex='\\vec{#?}' data-aside='vector'></li>\n                <li class='keycap tex' data-alt-keys='accents' data-insert='\\bar{#@}' data-latex='\\bar{#?}' data-aside='bar'></li>\n                <li class='keycap tex' data-alt-keys='absnorm' data-insert='\\lvert #@ \\rvert ' data-latex='\\lvert #? \\rvert' data-aside='abs'></li>\n                <li class='keycap tex' data-insert='\\ast '>&#x2217;<aside>asterisk</aside></li>\n\n                <li class='action font-glyph bottom right w15'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n      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'><i>&#x03c2;</i><aside>sigma var.</aside></li>\n                <li class='keycap tex' data-insert='\\epsilon '><i>&#x03f5;</i></li>\n                <li class='keycap tex' data-insert='\\rho '><i>&rho;</i></li>\n                <li class='keycap tex' data-insert='\\tau '><i>&tau;</i></li>\n                <li class='keycap tex' data-insert='\\upsilon '><i>&upsilon;</i></li>\n                <li class='keycap tex' data-insert='\\theta '><i>&theta;</i></li>\n                <li class='keycap tex' data-insert='\\iota '><i>&iota;</i></li>\n                <li class='keycap tex' data-insert='\\omicron '>&omicron;</i></li>\n                <li class='keycap tex' data-insert='\\pi '><i>&pi;</i></li>\n            </ul>\n            <ul><li class='keycap tex' data-insert='\\alpha ' data-shifted='&Alpha;' data-shifted-command='[\"insert\",\"{\\\\char\\\"391}\"]'><i>&alpha;</i></li>\n                <li class='keycap tex' data-insert='\\sigma '><i>&sigma;</i></li>\n                <li class='keycap tex' data-insert='\\delta '><i>&delta;</i></li>\n                <li class='keycap tex' data-insert='\\phi '><i>&#x03d5;</i></i></li>\n                <li class='keycap tex' data-insert='\\gamma '><i>&gamma;</i></li>\n                <li class='keycap tex' data-insert='\\eta '><i>&eta;</i></li>\n                <li class='keycap tex' data-insert='\\xi '><i>&xi;</i></li>\n                <li class='keycap tex' data-insert='\\kappa '><i>&kappa;</i></li>\n                <li class='keycap tex' data-insert='\\lambda '><i>&lambda;</i></li>\n            </ul>\n            <ul><li class='shift modifier font-glyph bottom left w15 layer-switch' data-layer='upper-greek'>&#x21e7;</li>\n                <li class='keycap tex' data-insert='\\zeta '><i>&zeta;</i></li>\n                <li class='keycap tex' data-insert='\\chi '><i>&chi;</i></li>\n                <li class='keycap tex' data-insert='\\psi '><i>&psi;</i></li>\n                <li class='keycap tex' data-insert='\\omega '><i>&omega;</i></li>\n                <li class='keycap tex' data-insert='\\beta '><i>&beta;</i></li>\n                <li class='keycap tex' data-insert='\\nu '><i>&nu;</i></li>\n                <li class='keycap tex' data-insert='\\mu '><i>&mu;</i></li>\n                <li class='action font-glyph bottom right w15'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n                <li class='keycap ' data-key=' '>&nbsp;</li>\n                <li class='keycap'>,</li>\n                <li class='keycap tex' data-insert='\\varepsilon '><i>&#x03b5;</i><aside>epsilon var.</aside></li>\n                <li class='keycap tex' data-insert='\\vartheta '><i>&#x03d1;</i><aside>theta var.</aside></li>\n                <li class='keycap tex' data-insert='\\varkappa '><i>&#x3f0;</i><aside>kappa var.</aside></li>\n                <li class='keycap tex' data-insert='\\varpi '><i>&#x03d6;<aside>pi var.</aside></i></li>\n                <li class='keycap tex' data-insert='\\varrho '><i>&#x03f1;</i><aside>rho var.</aside></li>\n                <arrows/>\n            </ul>\n        </div>","upper-greek":"\n        <div class='rows'>\n            <ul><li class='keycap tex' data-insert='\\Phi '>&Phi;<aside>phi</aside></li>\n                <li class='keycap tex' data-insert='\\Sigma '>&Sigma;<aside>sigma</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"0190}'>&#x0190;<aside>epsilon</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A1}'>&#x3A1;<aside>rho</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A4}'>&#x3A4;<aside>tau</aside></li>\n                <li class='keycap tex' 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data-insert='{\\char\"397}'>&Eta;<aside>eta</aside></li>\n                <li class='keycap tex' data-insert='\\Xi '>&Xi;<aside>xi</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"39A}'>&Kappa;<aside>kappa</aside></li>\n                <li class='keycap tex' data-insert='\\Lambda '>&Lambda;<aside>lambda</aside></li></ul>\n            <ul><li class='shift modifier font-glyph bottom left selected w15 layer-switch' data-layer='lower-greek'>&#x21e7;</li>\n                <li class='keycap tex' data-insert='{\\char\"396}'>&Zeta;<aside>zeta</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A7}'>&Chi;<aside>chi</aside></li>\n                <li class='keycap tex' data-insert='\\Psi '>&Psi;<aside>psi</aside></li>\n                <li class='keycap tex' data-insert='\\Omega '>&Omega;<aside>omega</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"392}'>&Beta;<aside>beta</aside></li>\n                <li class='keycap 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class='keycap tt' data-shifted='[' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"[\"]'>{</li>\n                <li class='keycap tt' data-shifted=']' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"]\"]'>}</li>\n                <li class='keycap tt' data-shifted='(' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \"(\"]'>^</li>\n                <li class='keycap tt' data-shifted=')' data-shifted-command='[\"insertAndUnshiftKeyboardLayer\", \")\"]'>_</li>\n                <li class='keycap w20' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","upper-command":"\n        <div class='rows'>\n            <ul><row name='upper-1' class='tt' shift-layer='lower-command'/></ul>\n            <ul><row name='upper-2' class='tt' shift-layer='lower-command'/></ul>\n            <ul><row name='upper-3' class='tt' shift-layer='lower-command'/></ul>\n            <ul>\n                <li class='layer-switch font-glyph modifier 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class="ML__virtual-keyboard-toggle" data-tooltip="${Qe("tooltip.toggle virtual keyboard")}">`,this.config.virtualKeyboardToggleGlyph?s+=this.config.virtualKeyboardToggleGlyph:s+='<span style="width: 21px; margin-top: 4px;"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512"><path d="M528 64H48C21.49 64 0 85.49 0 112v288c0 26.51 21.49 48 48 48h480c26.51 0 48-21.49 48-48V112c0-26.51-21.49-48-48-48zm16 336c0 8.823-7.177 16-16 16H48c-8.823 0-16-7.177-16-16V112c0-8.823 7.177-16 16-16h480c8.823 0 16 7.177 16 16v288zM168 268v-24c0-6.627-5.373-12-12-12h-24c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zm96 0v-24c0-6.627-5.373-12-12-12h-24c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zm96 0v-24c0-6.627-5.373-12-12-12h-24c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zm96 0v-24c0-6.627-5.373-12-12-12h-24c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zm-336 80v-24c0-6.627-5.373-12-12-12H84c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zm384 0v-24c0-6.627-5.373-12-12-12h-24c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zM120 188v-24c0-6.627-5.373-12-12-12H84c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zm96 0v-24c0-6.627-5.373-12-12-12h-24c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zm96 0v-24c0-6.627-5.373-12-12-12h-24c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zm96 0v-24c0-6.627-5.373-12-12-12h-24c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zm96 0v-24c0-6.627-5.373-12-12-12h-24c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zm-96 152v-8c0-6.627-5.373-12-12-12H180c-6.627 0-12 5.373-12 12v8c0 6.627 5.373 12 12 12h216c6.627 0 12-5.373 12-12z"/></svg></span>',s+="</button>"):s+="<span ></span>",s+="</span>",s+='\n        <div class="sr-only">\n            <span aria-live="assertive" aria-atomic="true"></span>\n            <span></span>\n        </div>\n    ',this.element.innerHTML=s;let a=0;"function"==typeof this.config.substituteTextArea?this.textarea=this.config.substituteTextArea():this.textarea=this.element.children[a++].firstElementChild,this.field=this.element.children[a].children[0],this.field.addEventListener("wheel",t=>{t.preventDefault(),t.stopPropagation();let e=void 0===t.deltaX?t.detail:-t.deltaX;isFinite(e)||(e=t.wheelDelta/10),this.field.scroll({top:0,left:this.field.scrollLeft-5*e})},{passive:!1}),this.virtualKeyboardToggleDOMNode=this.element.children[a++].children[1],this._attachButtonHandlers(this.virtualKeyboardToggleDOMNode,{default:"toggleVirtualKeyboard",alt:"toggleVirtualKeyboardAlt",shift:"toggleVirtualKeyboardShift"}),this.ariaLiveText=this.element.children[a].children[0],this.accessibleNode=this.element.children[a++].children[1],this.popover=bs("mathlive-popover-panel","ML__popover"),this.keystrokeCaption=bs("mathlive-keystroke-caption-panel","ML__keystroke-caption"),this.keystrokeCaptionVisible=!1,this.virtualKeyboardVisible=!1,this.keystrokeBuffer="",this.keystrokeBufferStates=[],this.keystrokeBufferResetTimer=null,this.suggestionIndex=0,this.mode=e.defaultMode||"math",this.smartModeSuppressed=!1,this.style={},this.blurred=!0,gs(this.element,"focus",this),gs(this.element,"blur",this),gs(this.textarea,"cut",this),gs(this.textarea,"copy",this),gs(this.textarea,"paste",this),He.delegateKeyboardEvents(this.textarea,{container:this.element,allowDeadKey:()=>"text"===this.mode,typedText:this._onTypedText.bind(this),paste:this._onPaste.bind(this),keystroke:this._onKeystroke.bind(this),focus:this._onFocus.bind(this),blur:this._onBlur.bind(this)}),window.PointerEvent?gs(this.field,"pointerdown",this):gs(this.field,"touchstart:active mousedown",this),gs(window,"resize",this);const o={...e};o.onSelectionDidChange=vs.prototype._onSelectionDidChange.bind(this),o.onContentDidChange=vs.prototype._onContentDidChange.bind(this),o.onAnnounce=this.config.onAnnounce,o.macros=this.config.macros,o.removeExtraneousParentheses=this.config.removeExtraneousParentheses,this.mathlist=new Oe.EditableMathlist(o,this),this.undoManager=new class{constructor(t){this.mathlist=t,this.maximumDepth=1e3,this.record=!1,this.canCoalesce=!1,this.reset()}reset(){this.stack=[],this.index=-1}startRecording(){this.record=!0}canUndo(){return this.index>0}canRedo(){return this.index!==this.stack.length-1}undo(t){this.canUndo()&&(t&&"function"==typeof t.onUndoStateWillChange&&t.onUndoStateWillChange(this.mathlist.target,"undo"),this.restore(this.stack[this.index-1],t),this.index-=1,t&&"function"==typeof t.onUndoStateDidChange&&t.onUndoStateDidChange(this.mathlist.target,"undo"),this.canCoalesce=!1)}redo(t){this.canRedo()&&(t&&"function"===t.onUndoStateWillChange&&t.onUndoStateWillChange(this.mathlist.target,"redo"),this.index+=1,this.restore(this.stack[this.index],t),t&&"function"==typeof t.onUndoStateDidChange&&t.onUndoStateDidChange(this.mathlist.target,"redo"),this.canCoalesce=!1)}pop(){this.canUndo()&&(this.index-=1,this.stack.pop())}snapshot(t){this.record&&(t&&"function"===t.onUndoStateWillChange&&t.onUndoStateWillChange(this.mathlist.target,"snapshot"),this.stack.splice(this.index+1,this.stack.length-this.index-1),this.stack.push({latex:this.mathlist.root.toLatex(),selection:this.mathlist.toString()}),this.index++,this.stack.length>this.maximumDepth&&this.stack.shift(),t&&"function"==typeof t.onUndoStateDidChange&&t.onUndoStateDidChange(this.mathlist.target,"snapshot"),this.canCoalesce=!1)}snapshotAndCoalesce(t){this.canCoalesce&&this.pop(),this.snapshot(t),this.canCoalesce=!0}save(){return{latex:this.mathlist.root.toLatex(),selection:this.mathlist.toString()}}restore(t,e){const i=this.mathlist.suppressChangeNotifications;void 0!==e.suppressChangeNotifications&&(this.mathlist.suppressChangeNotifications=e.suppressChangeNotifications),this.mathlist.insert(t?t.latex:"",{mode:"math",insertionMode:"replaceAll",selectionMode:"after",format:"latex",...e}),this.mathlist.setPath(t?t.selection:[{relation:"body",offset:0}]),this.mathlist.suppressChangeNotifications=i}}(this.mathlist),i.length>0&&this.$latex(i),this.undoManager.startRecording(),this.undoManager.snapshot(this.config)}handleEvent(t){switch(t.type){case"focus":this._onFocus(t);break;case"blur":this._onBlur(t);break;case"touchstart":case"mousedown":case"pointerdown":this._onPointerDown(t);break;case"resize":this._resizeTimer&&window.cancelAnimationFrame(this._resizeTimer),this._resizeTimer=window.requestAnimationFrame(()=>ks(this)&&this._onResize());break;case"cut":this._onCut(t);break;case"copy":this._onCopy(t);break;case"paste":this._onPaste(t)}}$revertToOriginalContent(){this.element.innerHTML=this.originalContent,this.element.mathfield=null,delete this.accessibleNode,delete this.ariaLiveText,delete this.field,ys(this.textarea,"cut",this),ys(this.textarea,"copy",this),ys(this.textarea,"paste",this),this.textarea.remove(),delete this.textarea,this.virtualKeyboardToggleDOMNode.remove(),delete this.virtualKeyboardToggleDOMNode,xs(this.popover),xs(this.keystrokeCaption),xs(this.virtualKeyboard),xs(document.getElementById("mathlive-alternate-keys-panel")),ys(this.element,"pointerdown",this),ys(this.element,"touchstart:active mousedown",this),ys(this.element,"focus",this),ys(this.element,"blur",this),ys(window,"resize",this),delete this.element}_resetKeystrokeBuffer(){this.keystrokeBuffer="",this.keystrokeBufferStates=[],clearTimeout(this.keystrokeBufferResetTimer)}_getCaretPosition(){const t=function t(e){if(e.classList.contains("ML__caret")||e.classList.contains("ML__text-caret")||e.classList.contains("ML__command-caret"))return e;let i;return Array.from(e.children).forEach((function(e){i=i||t(e)})),i}(this.field);if(t){const e=t.getBoundingClientRect();return{x:e.right,y:e.bottom,height:e.height}}return null}_getSelectionBounds(){const t=this.field.querySelectorAll(".ML__selected");if(t&&t.length>0){const e={top:1/0,bottom:-1/0,left:1/0,right:-1/0};t.forEach(t=>{const i=t.getBoundingClientRect();i.left<e.left&&(e.left=i.left),i.right>e.right&&(e.right=i.right),i.bottom>e.bottom&&(e.bottom=i.bottom),i.top<e.top&&(e.top=i.top)});const i=this.field.getBoundingClientRect(),s=e.right-e.left,a=e.bottom-e.top;return e.left=Math.ceil(e.left-i.left+this.field.scrollLeft),e.right=e.left+s,e.top=Math.ceil(e.top-i.top),e.bottom=e.top+a,e}return null}_pathFromPoint(t,e,i){let s;(i=i||{}).bias=i.bias||0;const a=function t(e,i,s){let a={element:null,distance:Number.POSITIVE_INFINITY},o=!0;if(e.getAttribute("data-atom-id")){a.element=e;const t=e.getBoundingClientRect(),n=i-(t.left+t.right)/2,r=s-(t.top+t.bottom)/2;a.distance=n*n+r*r,o=i>=t.left&&i<=t.right}return o&&e.children&&Array.from(e.children).forEach((function(e){const o=t(e,i,s);o.element&&o.distance<=a.distance&&(a=o)})),a}(this.field,t,e).element,o=a?a.getAttribute("data-atom-id"):null;if(o){const e=this.mathlist.filter((function(t,e){return e.captureSelection?e.filter(t=>t.id===o).length>0:e.id===o}));if(e&&e.length>0)if(s=me.pathFromString(e[0]).path,0===i.bias){const e=a.getBoundingClientRect();t<e.left+e.width/2&&!a.classList.contains("ML__placeholder")&&(s[s.length-1].offset=Math.max(0,s[s.length-1].offset-1))}else i.bias<0&&(s[s.length-1].offset=Math.min(this.mathlist.siblings().length-1,Math.max(0,s[s.length-1].offset+i.bias)))}return s}_onPointerDown(t){const e=this;let i,s=!1,a=!1,o=!1;if(1!==t.buttons)return;function n(t){window.PointerEvent?(ys(e.field,"pointermove",h),ys(e.field,"pointerend pointerleave pointercancel",n),e.field.releasePointerCapture(t.pointerId)):(ys(e.field,"touchmove",h),ys(e.field,"touchend touchleave",n),ys(window,"mousemove",h),ys(window,"mouseup blur",n)),s=!1,clearInterval(c),e.element.querySelectorAll(".ML__scroller").forEach(t=>t.parentNode.removeChild(t)),t.preventDefault(),t.stopPropagation()}let r=!1,l=!1;const c=setInterval(()=>{r?e.field.scroll({top:0,left:e.field.scrollLeft-16}):l&&e.field.scroll({top:0,left:e.field.scrollLeft+16})},32);function h(t){const s=t.touches?t.touches[0].clientX:t.clientX,o=t.touches?t.touches[0].clientY:t.clientY,n="touch"===t.pointerType?20:5;if(Date.now()<m+500&&Math.abs(d-s)<n&&Math.abs(p-o)<n)return t.preventDefault(),void t.stopPropagation();const c=e.field.getBoundingClientRect();l=s>c.right,r=s<c.left;let h=i;window.PointerEvent?t.isPrimary||(h=e._pathFromPoint(t.clientX,t.clientY,{bias:0})):t.touches&&2===t.touches.length&&(h=e._pathFromPoint(t.touches[1].clientX,t.touches[1].clientY,{bias:0}));const u=e._pathFromPoint(s,o,{bias:s<=d?s===d?0:-1:1});u&&e.mathlist.setRange(h,u,{extendToWordBoundary:a})&&e._requestUpdate(),t.preventDefault(),t.stopPropagation()}const d=t.touches?t.touches[0].clientX:t.clientX,p=t.touches?t.touches[0].clientY:t.clientY,m=Date.now();ws&&Math.abs(ws.x-d)<5&&Math.abs(ws.y-p)<5&&Date.now()<ws.time+500?(Ss+=1,ws.time=m):(ws={x:d,y:p,time:m},Ss=1);const u=this.field.getBoundingClientRect();if(d>=u.left&&d<=u.right&&p>=u.top&&p<=u.bottom){if(this.$hasFocus()||(o=!0,this.textarea.focus&&this.textarea.focus()),this._resetKeystrokeBuffer(),this.smartModeSuppressed=!1,i=this._pathFromPoint(d,p,{bias:0}),i){let r=document.createElement("div");r.className="ML__scroller",this.element.appendChild(r),r.style.left=u.left-200+"px",r=document.createElement("div"),r.className="ML__scroller",this.element.appendChild(r),r.style.left=u.right+"px",t.shiftKey?(this.mathlist.setRange(this.mathlist.path,i),i=me.clone(this.mathlist.path),i[i.length-1].offset-=1):this.mathlist.setPath(i,0),o=!0,this.style={},3===t.detail||Ss>2?(n(t),3!==t.detail&&3!==Ss||this.mathlist.selectAll_()):s||(s=!0,window.PointerEvent?(gs(e.field,"pointermove",h),gs(e.field,"pointerend pointercancel pointerup",n),e.field.setPointerCapture(t.pointerId)):(gs(window,"blur",n),t.touches?(gs(t.target,"touchmove",h),gs(t.target,"touchend",n)):(gs(window,"mousemove",h),gs(window,"mouseup",n))),2!==t.detail&&2!==Ss||(a=!0,this.mathlist.selectGroup_()))}}else ws=null;o&&this._requestUpdate(),t.preventDefault()}_onSelectionDidChange(){this.mathlist.commitCommandStringBeforeInsertionPoint();let t="";this.mathlist.forEachSelected(e=>{t+=e.toLatex()}),t?(this.textarea.value=t,this.$hasFocus()&&this.textarea.select&&this.textarea.select()):(this.textarea.value="",this.textarea.setAttribute("aria-label",""));{const t=this.mode;this.mode=this.mathlist.anchorMode()||this.config.defaultMode,this.mode!==t&&"function"==typeof this.config.onModeChange&&this.config.onModeChange(this,this.mode),"command"===t&&"command"!==this.mode&&(Je.hidePopover(this),this.mathlist.removeCommandString())}Je.updatePopoverPosition(this,{deferred:!0}),"function"==typeof this.config.onSelectionDidChange&&this.config.onSelectionDidChange(this)}_onContentDidChange(){this.undoManager.canRedo()?this.element.classList.add("can-redo"):this.element.classList.remove("can-redo"),this.undoManager.canUndo()?this.element.classList.add("can-undo"):this.element.classList.remove("can-undo"),"function"==typeof this.config.onContentDidChange&&this.config.onContentDidChange(this)}_nextAtomSpeechText(t){function e(t,e){return"body"===e.relation?{enclose:"cross out",leftright:"fence",surd:"square root",root:"math field"}[t.type]:{numer:"numerator",denom:"denominator",index:"index",body:"parent",subscript:"subscript",superscript:"superscript"}[e.relation]}const i=t?t.path:[],s=this.mathlist.path,a=s[s.length-1];let o="";for(;i.length>s.length;)o+="out of "+e(t.parent(),i[i.length-1])+"; ",i.pop();if(!this.mathlist.isCollapsed())return As(this,"",this.mathlist.getSelectedAtoms());const n=e(this.mathlist.parent(),a);0===a.offset&&(o+=(n?"start of "+n:"unknown")+": ");const r=this.mathlist.sibling(Math.max(1,this.mathlist.extent));return r?o+=As(this,"",r):0!==a.offset&&(o+=n?"end of "+n:"unknown"),o}_announce(t,e,i){"function"==typeof this.config.onAnnounce&&this.config.onAnnounce(this,t,e,i)}_onFocus(){this.blurred&&(this.blurred=!1,this.textarea.focus&&this.textarea.focus(),"onfocus"===this.config.virtualKeyboardMode&&this.showVirtualKeyboard_(),Je.updatePopoverPosition(this),this.config.onFocus&&this.config.onFocus(this),this._requestUpdate())}_onBlur(){this.blurred||(this.blurred=!0,this.ariaLiveText.textContent="","onfocus"===this.config.virtualKeyboardMode&&this.hideVirtualKeyboard_(),this.complete_({discard:!0}),this._requestUpdate(),this.config.onBlur&&this.config.onBlur(this))}_onResize(){this.element.classList.remove("ML__isNarrowWidth","ML__isWideWidth","ML__isExtendedWidth"),window.innerWidth>=1024?this.element.classList.add("ML__isExtendedWidth"):window.innerWidth>=768?this.element.classList.add("ML__isWideWidth"):this.element.classList.add("ML__isNarrowWidth"),Je.updatePopoverPosition(this)}toggleKeystrokeCaption_(){this.keystrokeCaptionVisible=!this.keystrokeCaptionVisible,this.keystrokeCaption.innerHTML="",this.keystrokeCaptionVisible||(this.keystrokeCaption.style.visibility="hidden")}_showKeystroke(t){const e=this.keystrokeCaption;if(e&&this.keystrokeCaptionVisible){const i=this.element.getBoundingClientRect();e.style.left=i.left+"px",e.style.top=i.top-64+"px",e.innerHTML="<span>"+(ve.stringify(t)||t)+"</span>"+e.innerHTML,e.style.visibility="visible",setTimeout((function(){e.childNodes.length>0&&e.removeChild(e.childNodes[e.childNodes.length-1]),0===e.childNodes.length&&(e.style.visibility="hidden")}),3e3)}}$perform(t){if(!t)return!1;let e,i=!1,s=[],a=!1;if(Array.isArray(t)?(e=t[0],s=t.slice(1)):e=t,e=e.replace(/-\w/g,t=>t[1].toUpperCase()),e+="_","function"==typeof this.mathlist[e]){if(/^(delete|transpose|add)/.test(e)&&this._resetKeystrokeBuffer(),/^(delete|transpose|add)/.test(e)&&"command"!==this.mode&&(this.undoManager.pop(),this.undoManager.snapshot(this.config)),this.mathlist[e](...s),/^(delete|transpose|add)/.test(e)&&"command"!==this.mode&&this.undoManager.snapshot(this.config),/^(delete)/.test(e)&&"command"===this.mode){const t=this.mathlist.extractCommandStringAroundInsertionPoint(),e=At.suggest(t);0===e.length?Je.hidePopover(this):Je.showPopoverWithLatex(this,e[0].match,e.length>1)}a=!0,i=!0}else"function"==typeof this[e]&&(a=this[e](...s),i=!0);return this.mathlist.isCollapsed()&&!/^(transpose|paste|complete|((moveToNextChar|moveToPreviousChar|extend).*))_$/.test(e)||(this._resetKeystrokeBuffer(),this.style={}),a&&this._requestUpdate(),i}performWithFeedback_(t){return this.$focus(),this.config.keypressVibration&&navigator.vibrate&&navigator.vibrate(3),"moveToNextPlaceholder"===(t=t.replace(/-\w/g,t=>t[1].toUpperCase()))||"moveToPreviousPlaceholder"===t||"complete"===t?this.returnKeypressSound?(this.returnKeypressSound.load(),this.returnKeypressSound.play().catch(t=>{})):this.keypressSound&&(this.keypressSound.load(),this.keypressSound.play().catch(t=>{})):"deletePreviousChar"!==t&&"deleteNextChar"!==t&&"deletePreviousWord"!==t&&"deleteNextWord"!==t&&"deleteToGroupStart"!==t&&"deleteToGroupEnd"!==t&&"deleteToMathFieldStart"!==t&&"deleteToMathFieldEnd"!==t||!this.deleteKeypressSound?this.keypressSound&&(this.keypressSound.load(),this.keypressSound.play().catch(t=>{})):(this.deleteKeypressSound.load(),this.deleteKeypressSound.play().catch(t=>{})),this.$perform(t)}convertLastAtomsToText_(t,e){"function"==typeof t&&(e=t,t=1/0),void 0===t&&(t=1/0);let i=0,s=!1;for(this.mathlist.contentWillChange();!s;){const a=this.mathlist.sibling(i);s=0===t||!a||"math"!==a.mode||!(/mord|textord|mpunct/.test(a.type)||"mop"===a.type&&/[a-zA-Z]+/.test(a.body))||a.superscript||a.subscript||e&&!e(a),s||(a.applyStyle({mode:"text"}),a.latex=a.body),i-=1,t-=1}this.mathlist.contentDidChange()}convertLastAtomsToMath_(t,e){"function"==typeof t&&(e=t,t=1/0),void 0===t&&(t=1/0),this.mathlist.contentWillChange();let i=0,s=!1;for(;!s;){const a=this.mathlist.sibling(i);s=0===t||!a||"text"!==a.mode||" "===a.body||e&&!e(a),s||a.applyStyle({mode:"math",type:"mord"}),i-=1,t-=1}this.removeIsolatedSpace_(),this.mathlist.contentDidChange()}removeIsolatedSpace_(){let t=0;for(;this.mathlist.sibling(t)&&"math"===this.mathlist.sibling(t).mode;)t-=1;if(this.mathlist.sibling(t)&&"text"===this.mathlist.sibling(t).mode&&" "===this.mathlist.sibling(t).body&&(!this.mathlist.sibling(t-1)||"math"===this.mathlist.sibling(t-1).mode)){this.mathlist.contentWillChange(),this.mathlist.siblings().splice(t-1,1),this.mathlist.contentDidChange();const e=this.mathlist.suppressChangeNotifications;this.mathlist.suppressChangeNotifications=!0,this.mathlist.setSelection(this.mathlist.anchorOffset()-1),this.mathlist.suppressChangeNotifications=e}}getTextBeforeAnchor_(){let t="",e=0,i=!1;for(;!i;){const s=this.mathlist.sibling(e);i=!(s&&("text"===s.mode&&!s.type||"math"===s.mode&&/mord|textord|mpunct/.test(s.type))),i||(t=s.body+t),e-=1}return t}smartMode_(t,e){if(this.smartModeSuppressed)return!1;if(this.mathlist.endOffset()<this.mathlist.siblings().length-1)return!1;if(!e||e.ctrlKey||e.metaKey)return!1;const i=He.eventToChar(e);if(i.length>1)return!1;if(!this.mathlist.isCollapsed())return!("text"!==this.mode||!/[/_^]/.test(i));const s=this.getTextBeforeAnchor_()+i;if("text"===this.mode){if("Esc"===t||/[/\\]/.test(i))return!0;if(/[\^_]/.test(i))return/(^|\s)[a-zA-Z][^_]$/.test(s)&&this.convertLastAtomsToMath_(1),!0;const e={")":"(","}":"{","]":"["}[i];if(e&&this.mathlist.parent()&&"leftright"===this.mathlist.parent().type&&this.mathlist.parent().leftDelim===e)return!0;if(/(^|[^a-zA-Z])(a|I)[ ]$/.test(s))return!1;if(/[$€£₤₺¥¤฿¢₡₧₨₹₩₱]/u.test(i))return!0;if(/(^|[^a-zA-Z'’])[a-zA-Z][ ]$/.test(s))return this.convertLastAtomsToMath_(1),!1;if(/[^0-9]\.[^0-9\s]$/.test(s)){this.convertLastAtomsToMath_(1);const t=this.mathlist.sibling(0);return t.body="⋅",t.autoFontFamily="cmr",t.latex="\\cdot",!0}if(/(^|\s)[a-zA-Z][^a-zA-Z]$/.test(s))return this.convertLastAtomsToMath_(1),!0;if(/\.[0-9]$/.test(s))return this.convertLastAtomsToMath_(1),!0;if(/[(][0-9+\-.]$/.test(s))return this.convertLastAtomsToMath_(1),!0;if(/[(][a-z][,;]$/.test(s))return this.convertLastAtomsToMath_(2),!0;if(/[0-9+\-=><*|]$/.test(i))return this.removeIsolatedSpace_(),!0}else{if("Spacebar"===t)return this.convertLastAtomsToText_(t=>/[a-z][:,;.]$/.test(t.body)),!0;if(/[a-zA-Z]{3,}$/.test(s)&&!/(dxd|abc|xyz|uvw)$/.test(s))return this.convertLastAtomsToText_(t=>/[a-zA-Z:,;.]/.test(t.body)),!0;if(/(^|\W)(if|If)$/i.test(s))return this.convertLastAtomsToText_(1),!0;if(/(\u0393|\u0394|\u0398|\u039b|\u039E|\u03A0|\u03A3|\u03a5|\u03a6|\u03a8|\u03a9|[\u03b1-\u03c9]|\u03d1|\u03d5|\u03d6|\u03f1|\u03f5){3,}$/u.test(s)&&!/(αβγ)$/.test(s))return this.convertLastAtomsToText_(t=>/(:|,|;|.|\u0393|\u0394|\u0398|\u039b|\u039E|\u03A0|\u03A3|\u03a5|\u03a6|\u03a8|\u03a9|[\u03b1-\u03c9]|\u03d1|\u03d5|\u03d6|\u03f1|\u03f5)/u.test(t.body)),!0;if(/\?|\./.test(i))return!0}return!1}_onKeystroke(t,e){if(this._showKeystroke(t),clearTimeout(this.keystrokeBufferResetTimer),this.config.onKeystroke&&!this.config.onKeystroke(this,t,e))return e&&e.preventDefault&&(e.preventDefault(),e.stopPropagation()),!1;let i,s,a,o=!1;if("command"!==this.mode&&(!e||!e.ctrlKey&&!e.metaKey)){const t=He.eventToChar(e);if("Backspace"!==t)if(!t||t.length>1)this._resetKeystrokeBuffer();else{const e=this.keystrokeBuffer+t;let a=0;for(;!i&&a<e.length;){let t;if(this.keystrokeBufferStates[a]){const e=new Oe.EditableMathlist;e.root=te.makeRoot("math",he.parseTokens(n(this.keystrokeBufferStates[a].latex),this.config.default,null,this.config.macros)),e.setPath(this.keystrokeBufferStates[a].selection),t=e.siblings()}else t=this.mathlist.siblings();i=ve.forString(this.mode,t,e.slice(a),this.config),a+=1}s=a-1,this.keystrokeBuffer+=t,this.keystrokeBufferStates.push(this.undoManager.save()),ve.startsWithString(e,this.config).length<=1?o=!0:this.config.inlineShortcutTimeout&&(this.keystrokeBufferResetTimer=setTimeout(()=>{this._resetKeystrokeBuffer()},this.config.inlineShortcutTimeout))}}if(this.config.smartMode){const s=this.mode;i?this.mode="math":this.smartMode_(t,e)&&(this.mode={math:"text",text:"math"}[this.mode],a=""),this.mode!==s&&"function"==typeof this.config.onModeChange&&this.config.onModeChange(this,this.mode)}if(i||a||(a=ve.selectorForKeystroke(this.mode,t)),!i&&!a)return!0;this.mathlist.decorateCommandStringAroundInsertionPoint(!1);const r=this.mathlist.parent();if("moveAfterParent"===a&&r&&"leftright"===r.type&&this.mathlist.endOffset()===this.mathlist.siblings().length-1&&this.config.smartFence&&this.mathlist._insertSmartFence(".")&&(a="",this._requestUpdate()),"math"===this.mode&&"Spacebar"===t&&!i){const t=this.mathlist.sibling(1),e=this.mathlist.sibling(-1);(t&&"text"===t.mode||e&&"text"===e.mode)&&this.mathlist.insert(" ",{mode:"text"})}if((a&&!this.$perform(a)||i)&&i){if(!/^(\\{|\\}|\\[|\\]|\\@|\\#|\\$|\\%|\\^|\\_|\\backslash)$/.test(i)){const t={...this.mathlist.anchorStyle(),...this.style};this.mathlist.insert(He.eventToChar(e),{suppressChangeNotifications:!0,mode:this.mode,style:t});const i=this.mode;this.undoManager.snapshotAndCoalesce(this.config),this.undoManager.restore(this.keystrokeBufferStates[s],{...this.config,suppressChangeNotifications:!0}),this.mode=i}this.mathlist.contentWillChange();const t=this.mathlist.suppressChangeNotifications;this.mathlist.suppressChangeNotifications=!0;const a={...this.mathlist.anchorStyle(),...this.style};this.mathlist.insert(i,{format:"latex",mode:this.mode,style:a,smartFence:!0}),this.removeIsolatedSpace_(),i.endsWith(" ")&&(this.mode="text",this.mathlist.insert(" ",{mode:"text",style:a})),this.mathlist.suppressChangeNotifications=t,this.mathlist.contentDidChange(),this.undoManager.snapshot(this.config),this._requestUpdate(),this._announce("replacement"),o&&this._resetKeystrokeBuffer()}return this.scrollIntoView(),e&&e.preventDefault&&(e.preventDefault(),e.stopPropagation()),!1}_onTypedText(t,e){if((e=e||{}).focus&&this.$focus(),e.feedback&&(this.config.keypressVibration&&navigator.vibrate&&navigator.vibrate(3),this.keypressSound&&(this.keypressSound.load(),this.keypressSound.play().catch(t=>{}))),e.commandMode&&"command"!==this.mode&&this.switchMode_("command"),this.mathlist.decorateCommandStringAroundInsertionPoint(!1),e.simulateKeystroke){const e=t.charAt(0),i=He.charToEvent(e);if(!this.$keystroke(He.keyboardEventToString(i),i))return}let i="",a=!1;if(this.pasteInProgress)this.pasteInProgress=!1,this.mathlist.insert(t,{smartFence:this.config.smartFence,mode:"math"});else{const e={...this.mathlist.anchorStyle(),...this.style},o=s(t);for(const t of o)if("command"===this.mode){this.mathlist.removeSuggestion(),this.suggestionIndex=0;const e=this.mathlist.extractCommandStringAroundInsertionPoint(),s=At.suggest(e+t);a=s.length>1,0===s.length?(this.mathlist.insert(t,{mode:"command"}),/^\\[a-zA-Z\\*]+$/.test(e+t)&&this.mathlist.decorateCommandStringAroundInsertionPoint(!0),Je.hidePopover(this)):(this.mathlist.insert(t,{mode:"command"}),s[0].match!==e+t&&this.mathlist.insertSuggestion(s[0].match,-s[0].match.length+e.length+1),i=s[0].match)}else if("math"===this.mode){const i={"^":"moveToSuperscript",_:"moveToSubscript"," ":"moveAfterParent"}[t];if(i){if("moveToSuperscript"===i){if(this._superscriptDepth()>=this.config.scriptDepth[1])return void this._announce("plonk")}else if("moveToSubscript"===i&&this._subscriptDepth()>=this.config.scriptDepth[0])return void this._announce("plonk");this.$perform(i)}else this.config.smartSuperscript&&"superscript"===this.mathlist.relation()&&/[0-9]/.test(t)&&0===this.mathlist.siblings().filter(t=>"first"!==t.type).length?(this.mathlist.insert(t,{mode:"math",style:e}),this.mathlist.moveAfterParent_()):this.mathlist.insert(t,{mode:"math",style:e,smartFence:this.config.smartFence})}else"text"===this.mode&&this.mathlist.insert(t,{mode:"text",style:e})}"command"!==this.mode&&this.undoManager.snapshotAndCoalesce(this.config),this._requestUpdate(),this.scrollIntoView(),Je.showPopoverWithLatex(this,i,a)}_hash(){let t=0;const e=this.mathlist.root.toLatex(!1);for(let i=0;i<e.length;i++)t=31*t+e.charCodeAt(i),t|=0;return Math.abs(t)}_requestUpdate(){this.dirty||(this.dirty=!0,requestAnimationFrame(t=>ks(this)&&this._render()))}_render(t){t=t||{},this.dirty=!1,window.mathlive||(window.mathlive={}),this.mathlist.anchor()||(this.mathlist.path=[{relation:"body",offset:0}]),this.mathlist.forEach(t=>{t.caret="",t.isSelected=!1});const e=this.$hasFocus();this.mathlist.isCollapsed()?this.mathlist.anchor().caret=e?this.mode:"":this.mathlist.forEachSelected(t=>{t.isSelected=!0});const i=te.decompose({mathstyle:"displaystyle",generateID:{seed:this._hash(),groupNumbers:t.forHighlighting},macros:this.config.macros},this.mathlist.root),s=$.makeSpan(i,"ML__base");s.attributes={translate:"no","aria-hidden":"true"};const a=$.makeSpan("","ML__strut");a.setStyle("height",s.height,"em");const o=[a];if(0!==s.depth){const t=$.makeSpan("","ML__strut--bottom");t.setStyle("height",s.height+s.depth,"em"),t.setStyle("vertical-align",-s.depth,"em"),o.push(t)}o.push(s);const n=$.makeSpan(o,"ML__mathlive");this.field.innerHTML=n.toMarkup(0,this.config.horizontalSpacingScale),this.field.classList.toggle("ML__focused",e),this.accessibleNode.innerHTML="<math xmlns='http://www.w3.org/1998/Math/MathML'>"+te.toMathML(this.mathlist.root,this.config)+"</math>";const r=this._getSelectionBounds();if(r){const t=document.createElement("div");t.classList.add("ML__selection"),t.style.position="absolute",t.style.left=r.left+"px",t.style.top=r.top+"px",t.style.width=Math.ceil(r.right-r.left)+"px",t.style.height=Math.ceil(r.bottom-r.top-1)+"px",this.field.insertBefore(t,this.field.childNodes[0])}}_onPaste(){return this.pasteInProgress=!0,!0}_onCut(){return setTimeout(function(){this.$clearSelection(),this._requestUpdate()}.bind(this),0),!0}_onCopy(t){this.mathlist.isCollapsed()?(t.clipboardData.setData("text/plain","$$"+this.$text("latex-expanded")+"$$"),t.clipboardData.setData("application/json",this.$text("json")),t.clipboardData.setData("application/xml",this.$text("mathML"))):(t.clipboardData.setData("text/plain","$$"+this.$selectedText("latex-expanded")+"$$"),t.clipboardData.setData("application/json",this.$selectedText("json")),t.clipboardData.setData("application/xml",this.$selectedText("mathML"))),t.preventDefault()}formatMathlist(t,e){let i="";if("latex"===(e=e||"latex")||"latex-expanded"===e)i=t.toLatex("latex-expanded"===e);else if("mathML"===e)i=t.toMathML(this.config);else if("spoken"===e)i=te.toSpeakableText(t,this.config);else if("spoken-text"===e){const e=this.config.textToSpeechMarkup;this.config.textToSpeechMarkup="",i=te.toSpeakableText(t,this.config),this.config.textToSpeechMarkup=e}else if("spoken-ssml"===e||"spoken-ssml-withHighlighting"===e){const s=this.config.textToSpeechMarkup,a=this.config.generateID;this.config.textToSpeechMarkup="ssml","spoken-ssml-withHighlighting"===e&&(this.config.generateID=!0),i=te.toSpeakableText(t,this.config),this.config.textToSpeechMarkup=s,this.config.generateID=a}else if("json"===e){const e=te.toAST(t,this.config);i=JSON.stringify(e)}else"ASCIIMath"===e&&(i=function t(e,i){if(!e)return"";if(Array.isArray(e)){let i="";if(0===e.length)return"";if("first"===e[0].type&&e.shift(),"text"===e[0].mode){let s=0;for(i='"';e[s]&&"text"===e[s].mode;)i+=e[s].body,s++;i+='"'+t(e.slice(s))}else{let s=0;for(;e[s]&&"math"===e[s].mode;)i+=t(e[s]),s++;i+=t(e.slice(s))}return i.trim()}if("text"===e.mode)return'"'+e.body+'"';let s="";const a=e.latex?e.latex.trim():null;let o;switch(e.type){case"group":case"root":s=t(e.body);break;case"array":break;case"genfrac":(e.leftDelim||e.rightDelim)&&(s+="."!==e.leftDelim&&e.leftDelim?e.leftDelim:"{:"),e.hasBarLine?(s+="(",s+=t(e.numer),s+=")/(",s+=t(e.denom),s+=")"):(s+="("+t(e.numer)+"),",s+="("+t(e.denom)+")"),(e.leftDelim||e.rightDelim)&&(s+="."!==e.rightDelim&&e.rightDelim?e.rightDelim:"{:");break;case"surd":e.index?s+="root("+t(e.index)+")("+t(e.body)+")":s+="sqrt("+t(e.body)+")";break;case"leftright":s+="."!==e.leftDelim&&e.leftDelim?e.leftDelim:"{:",s+=t(e.body),s+="."!==e.rightDelim&&e.rightDelim?e.rightDelim:"{:";break;case"sizeddelim":case"delim":case"accent":break;case"line":case"overlap":case"overunder":break;case"mord":s=hi[a]||a||("string"==typeof e.body?e.body:""),"\\"===s[0]&&(s+=""),o=a?a.match(/[{]?\\char"([0-9abcdefABCDEF]*)[}]?/):null,o?s=String.fromCharCode(parseInt("0x"+o[1])):s.length>0&&"\\"===s.charAt(0)&&(s="string"==typeof e.body?e.body.charAt(0):e.latex);break;case"mbin":case"mrel":case"textord":case"minner":s=a&&hi[a]?hi[a]:a&&di[a]?di[a]:e.body;break;case"mopen":case"mclose":s+=e.body;break;case"mpunct":s=di[a]||a;break;case"mop":"​"!==e.body&&(s="",s+="\\operatorname"===a?t(e.body):e.body||a,s+=" ");break;case"mathstyle":case"box":case"spacing":case"enclose":break;case"space":s=" "}if(e.subscript){s+="_";const i=t(e.subscript);i.length>1&&!/^(-)?\d+(\.\d*)?$/.test(i)?s+="("+i+")":s+=i}if(e.superscript){s+="^";const i=t(e.superscript);i.length>1&&!/^(-)?\d+(\.\d*)?$/.test(i)?s+="("+i+")":s+=i}return s}(t,this.config));return i}$text(t){return this.formatMathlist(this.mathlist.root,t)}$selectedText(t){const e=this.mathlist.getSelectedAtoms();if(!e)return"";const i=te.makeRoot("math",e);return this.formatMathlist(i,t)}$selectionIsCollapsed(){return this.mathlist.isCollapsed()}$selectionDepth(){return this.mathlist.path.length}_superscriptDepth(){let t=0,e=0,i=this.mathlist.ancestor(e),s=!1;for(;i;)(i.superscript||i.subscript)&&(t+=1),i.superscript?s=!0:i.subscript&&(s=!1),e+=1,i=this.mathlist.ancestor(e);return s?t:0}_subscriptDepth(){let t=0,e=0,i=this.mathlist.ancestor(e),s=!1;for(;i;)(i.superscript||i.subscript)&&(t+=1),i.superscript?s=!1:i.subscript&&(s=!0),e+=1,i=this.mathlist.ancestor(e);return s?t:0}$selectionAtStart(){return 0===this.mathlist.startOffset()}$selectionAtEnd(){return this.mathlist.endOffset()>=this.mathlist.siblings().length-1}groupIsSelected(){return 0===this.mathlist.startOffset()&&this.mathlist.endOffset()>=this.mathlist.siblings().length-1}$latex(t,e){return t?(t!==this.mathlist.root.toLatex()&&(e=e||{},this.mathlist.insert(t,Object.assign({},this.config,{insertionMode:"replaceAll",selectionMode:"after",format:"latex",mode:"math",suppressChangeNotifications:e.suppressChangeNotifications})),this.undoManager.snapshot(this.config),this._requestUpdate()),t):this.mathlist.root.toLatex()}$el(){return this.element}undo(){return this.complete_(),this.undoManager.undo(this.config),!0}redo(){return this.complete_(),this.undoManager.redo(this.config),!0}scrollIntoView(){this.dirty&&this._render();let t=this._getCaretPosition();const e=this.field.getBoundingClientRect();if(!t){const i=this._getSelectionBounds();i&&(t={x:i.right+e.left-this.field.scrollLeft,y:i.top+e.top-this.field.scrollTop})}if(t){const i=t.x-window.scrollX;i<e.left?this.field.scroll({top:0,left:i-e.left+this.field.scrollLeft-20,behavior:"smooth"}):i>e.right&&this.field.scroll({top:0,left:i-e.right+this.field.scrollLeft+20,behavior:"smooth"})}}scrollToStart(){this.field.scroll(0,0)}scrollToEnd(){const t=this.field.getBoundingClientRect();this.field.scroll(t.left-window.scrollX,0)}enterCommandMode_(){this.switchMode_("command")}copyToClipboard_(){return this.$focus(),this.mathlist.isCollapsed()&&this.$select(),document.execCommand("copy"),!1}cutToClipboard_(){return this.$focus(),document.execCommand("cut"),!0}pasteFromClipboard_(){return this.$focus(),document.execCommand("paste"),!0}$insert(t,e){if("string"==typeof t&&t.length>0){if((e=e||{}).focus&&this.$focus(),e.feedback&&(this.config.keypressVibration&&navigator.vibrate&&navigator.vibrate(3),this.keypressSound&&(this.keypressSound.load(),this.keypressSound.play())),"\\\\"===t)this.mathlist.addRowAfter_();else if("&"===t)this.mathlist.addColumnAfter_();else{const i=this.style;this.mathlist.insert(t,{mode:this.mode,style:this.mathlist.anchorStyle(),...e}),e.resetStyle&&(this.style=i)}return this.undoManager.snapshot(this.config),this._requestUpdate(),!0}return!1}switchMode_(t,e,i){this._resetKeystrokeBuffer(),this.smartModeSuppressed=/text|math/.test(this.mode)&&/text|math/.test(t),e&&this.$insert(e,{format:"latex",mode:{math:"text",text:"math"}[t]}),this.mathlist.decorateCommandStringAroundInsertionPoint(!1),"command"===t?(this.mathlist.removeSuggestion(),Je.hidePopover(this),this.suggestionIndex=0,this.virtualKeyboardVisible&&this.switchKeyboardLayer_("lower-command"),this.mathlist.insert("",{mode:"math"})):this.mode=t,i&&this.$insert(i,{format:"latex",mode:t}),"function"==typeof this.config.onModeChange&&this.config.onModeChange(this,this.mode),this._requestUpdate()}complete_(t){if(t=t||{},Je.hidePopover(this),t.discard)return this.mathlist.spliceCommandStringAroundInsertionPoint(null),this.switchMode_("math"),!0;const e=this.mathlist.extractCommandStringAroundInsertionPoint(!t.acceptSuggestion);if(e){if("\\("===e||"\\)"===e)this.mathlist.spliceCommandStringAroundInsertionPoint([]),this.mathlist.insert(e.slice(1),{mode:this.mode});else{const t="math";if(At.commandAllowed(t,e)){const i=he.parseTokens(n(e),t,null,this.config.macros);this.mathlist.spliceCommandStringAroundInsertionPoint(i)}else{const i=he.parseTokens(n(e),t,null,this.config.macros);i?this.mathlist.spliceCommandStringAroundInsertionPoint(i):this.mathlist.decorateCommandStringAroundInsertionPoint(!0)}}return this.undoManager.snapshot(this.config),this._announce("replacement"),!0}return!1}_updateSuggestion(){this.mathlist.positionInsertionPointAfterCommitedCommand(),this.mathlist.removeSuggestion();const t=this.mathlist.extractCommandStringAroundInsertionPoint(),e=At.suggest(t);if(0===e.length)Je.hidePopover(this),this.mathlist.decorateCommandStringAroundInsertionPoint(!0);else{const i=this.suggestionIndex%e.length,s=t.length-e[i].match.length;0!==s&&this.mathlist.insertSuggestion(e[i].match,s),Je.showPopoverWithLatex(this,e[i].match,e.length>1)}this._requestUpdate()}nextSuggestion_(){return this.suggestionIndex+=1,this._updateSuggestion(),!1}previousSuggestion_(){if(this.suggestionIndex-=1,this.suggestionIndex<0){this.mathlist.removeSuggestion();const t=this.mathlist.extractCommandStringAroundInsertionPoint(),e=At.suggest(t);this.suggestionIndex=e.length-1}return this._updateSuggestion(),!1}_attachButtonHandlers(t,e){const i=this;let s,a,o,n,r;"object"==typeof e&&(e.default||e.pressed)?(e.default&&t.setAttribute("data-"+this.config.namespace+"command",JSON.stringify(e.default)),e.alt&&t.setAttribute("data-"+this.config.namespace+"command-alt",JSON.stringify(e.alt)),e.altshift&&t.setAttribute("data-"+this.config.namespace+"command-altshift",JSON.stringify(e.altshift)),e.shift&&t.setAttribute("data-"+this.config.namespace+"command-shift",JSON.stringify(e.shift)),e.pressed&&t.setAttribute("data-"+this.config.namespace+"command-pressed",JSON.stringify(e.pressed)),e.pressAndHoldStart&&t.setAttribute("data-"+this.config.namespace+"command-pressAndHoldStart",JSON.stringify(e.pressAndHoldStart)),e.pressAndHoldEnd&&t.setAttribute("data-"+this.config.namespace+"command-pressAndHoldEnd",JSON.stringify(e.pressAndHoldEnd))):t.setAttribute("data-"+this.config.namespace+"command",JSON.stringify(e)),gs(t,"mousedown 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MouseEvent("mouseenter",{bubbles:!0,buttons:1})))}})),gs(t,"mouseenter",(function(e){1===e.buttons&&t.classList.add("pressed")})),gs(t,"mouseup touchend click",(function(e){if(n){e.stopPropagation(),e.preventDefault();const t=n;return n=null,void t.dispatchEvent(new MouseEvent("mouseup",{bubbles:!0}))}if(t.classList.remove("pressed"),t.classList.add("active"),"click"===e.type&&0!==e.detail)return e.stopPropagation(),void e.preventDefault();window.setTimeout((function(){t.classList.remove("active")}),150);let o=t.getAttribute("data-"+i.config.namespace+"command-pressAndHoldEnd");const r=Date.now();(t!==a||r<s+300)&&(o=void 0),!o&&e.altKey&&e.shiftKey&&(o=t.getAttribute("data-"+i.config.namespace+"command-altshift")),!o&&e.altKey&&(o=t.getAttribute("data-"+i.config.namespace+"command-alt")),!o&&e.shiftKey&&(o=t.getAttribute("data-"+i.config.namespace+"command-shift")),o||(o=t.getAttribute("data-"+i.config.namespace+"command")),o&&i.$perform(JSON.parse(o)),e.stopPropagation(),e.preventDefault()}))}_makeButton(t,e,i,s){const a=document.createElement("span");return a.innerHTML=t,e&&a.classList.add([].slice.call(e.split(" "))),i&&a.setAttribute("aria-label",i),this._attachButtonHandlers(a,s),a}showAlternateKeys_(t,e){const i=bs("mathlive-alternate-keys-panel","ML__keyboard alternate-keys");this.virtualKeyboard.classList.contains("material")&&i.classList.add("material"),e.length>=7?i.style.width="286px":4===e.length||2===e.length?i.style.width="146px":1===e.length?i.style.width="86px":i.style.width="146px",i.style.height="auto";let s="";for(const t of e)s+="<li","string"==typeof t?s+=' 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t=(a.top-i.clientHeight+5).toString()+"px",s=Math.max(0,Math.min(window.innerWidth-i.offsetWidth,(a.left+a.right-i.offsetWidth)/2))+"px";i.style.transform="translate("+s+","+t+")",i.classList.add("is-visible")}return!1}hideAlternateKeys_(){const t=document.getElementById("mathlive-alternate-keys-panel");return t&&(t.classList.remove("is-visible"),t.innerHTML="",xs(t)),!1}performAlternateKeys_(t){return this.hideAlternateKeys_(),this.$perform(t)}switchKeyboardLayer_(t){if("off"!==this.config.virtualKeyboardMode){"lower-command"!==t&&"upper-command"!==t&&"symbols-command"!==t&&this.complete_(),this.showVirtualKeyboard_(),this.hideAlternateKeys_(),this.unshiftKeyboardLayer_();const e=this.virtualKeyboard.getElementsByClassName("keyboard-layer");let i=!1;for(let s=0;s<e.length;s++)if(e[s].dataset.layer===t){i=!0;break}if(i)for(let i=0;i<e.length;i++)e[i].dataset.layer===t?e[i].classList.add("is-visible"):e[i].classList.remove("is-visible");this.$focus()}return!0}shiftKeyboardLayer_(){const t=this.virtualKeyboard.querySelectorAll("div.keyboard-layer.is-visible .rows .keycap, div.keyboard-layer.is-visible .rows .action");if(t)for(let e=0;e<t.length;e++){const i=t[e];let s=i.getAttribute("data-shifted");if(s||/^[a-z]$/.test(i.innerHTML)){i.setAttribute("data-unshifted-content",i.innerHTML),s||(s=i.innerHTML.toUpperCase()),i.innerHTML=s;const t=i.getAttribute("data-"+this.config.namespace+"command");if(t){i.setAttribute("data-unshifted-command",t);const e=i.getAttribute("data-shifted-command");if(e)i.setAttribute("data-"+this.config.namespace+"command",e);else{const e=JSON.parse(t);Array.isArray(e)&&(e[1]=e[1].toUpperCase()),i.setAttribute("data-"+this.config.namespace+"command",JSON.stringify(e))}}}}return!1}unshiftKeyboardLayer_(){const t=this.virtualKeyboard.querySelectorAll("div.keyboard-layer.is-visible .rows .keycap, div.keyboard-layer.is-visible .rows .action");if(t)for(let e=0;e<t.length;e++){const i=t[e],s=i.getAttribute("data-unshifted-content");s&&(i.innerHTML=s);const a=i.getAttribute("data-unshifted-command");a&&i.setAttribute("data-"+this.config.namespace+"command",a)}return!1}insertAndUnshiftKeyboardLayer_(t){return this.$insert(t),this.unshiftKeyboardLayer_(),!0}toggleVirtualKeyboardAlt_(){let t=!1;return this.virtualKeyboard&&(t=this.virtualKeyboard.classList.contains("material"),this.virtualKeyboard.remove(),delete this.virtualKeyboard,this.virtualKeyboard=null),this.showVirtualKeyboard_(t?"":"material"),!1}toggleVirtualKeyboardShift_(){this.config.virtualKeyboardLayout={qwerty:"azerty",azerty:"qwertz",qwertz:"dvorak",dvorak:"colemak",colemak:"qwerty"}[this.config.virtualKeyboardLayout];let t=this.virtualKeyboard?this.virtualKeyboard.querySelector("div.keyboard-layer.is-visible"):null;return t=t?t.id:"",this.virtualKeyboard&&(this.virtualKeyboard.remove(),delete this.virtualKeyboard,this.virtualKeyboard=null),this.showVirtualKeyboard_(),t&&this.switchKeyboardLayer_(t),!1}showVirtualKeyboard_(t){return this.virtualKeyboardVisible=!1,this.toggleVirtualKeyboard_(t),!1}hideVirtualKeyboard_(){return this.virtualKeyboardVisible=!0,this.toggleVirtualKeyboard_(),!1}toggleVirtualKeyboard_(t){if(this.virtualKeyboardVisible=!this.virtualKeyboardVisible,this.virtualKeyboardVisible){this.virtualKeyboard?this.virtualKeyboard.classList.add("is-visible"):(this.virtualKeyboard=ci.make(this,t),gs(this.virtualKeyboard,"touchstart:passive mousedown",(function(){e.$focus()})),document.body.appendChild(this.virtualKeyboard));const e=this;window.setTimeout((function(){e.virtualKeyboard.classList.add("is-visible")}),1)}else this.virtualKeyboard&&this.virtualKeyboard.classList.remove("is-visible");return"function"==typeof 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t=$.makeSpan("","ML__strut--bottom");t.setStyle("height",l.height+l.depth,"em"),t.setStyle("vertical-align",-l.depth,"em"),h.push(t)}return h.push(l),$.makeSpan(h,"ML__mathlive").toMarkup()}function Ps(t,e){if(!te.toMathML)return"";(e=e||{}).macros=e.macros||{},Object.assign(e.macros,At.MACROS);const i=he.parseTokens(n(t),"math",null,e.macros);return te.toMathML(i,e)}function Is(t,e){if(!te.toSpeakableText)return"";(e=e||{}).macros=e.macros||{},Object.assign(e.macros,At.MACROS);const i=he.parseTokens(n(t),"math",null,e.macros);return te.toSpeakableText(i,e)}function Bs(t,e){if(!e&&window&&window.mathlive&&(e=window.mathlive.config),(e=e||{}).speechEngine&&"local"!==e.speechEngine)if("amazon"===e.speechEngine){if(window&&window.AWS){const i=new window.AWS.Polly({apiVersion:"2016-06-10"}),s={OutputFormat:"mp3",VoiceId:e.speechEngineVoice||"Joanna",Text:t,TextType:"ssml"};i.synthesizeSpeech(s,(function(t,e){if(t);else if(e&&e.AudioStream){const t=new Uint8Array(e.AudioStream),i=new 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t(e){e.classList.remove("highlight"),e.children&&Array.from(e.children).forEach(e=>{t(e)})}(window.mathlive.readAloudElement)}),window.mathlive.readAloudAudio.addEventListener("timeupdate",()=>{let t="";const e=1e3*window.mathlive.readAloudAudio.currentTime+100;for(const i of window.mathlive.readAloudMarks)i.time<e&&(t=i.value);window.mathlive.readAloudCurrentMark!==t&&(window.mathlive.readAloudCurrentToken=t,t&&t===window.mathlive.readAloudFinalToken?window.mathlive.readAloudAudio.pause():(window.mathlive.readAloudCurrentMark=t,function t(e,i){i&&e.dataset.atomId!==i?(e.classList.remove("highlight"),e.children&&e.children.length>0&&Array.from(e.children).forEach(e=>{t(e,i)})):(e.classList.add("highlight"),e.children&&e.children.length>0&&Array.from(e.children).forEach(e=>{t(e)}))}(window.mathlive.readAloudElement,window.mathlive.readAloudCurrentMark)))})),window.mathlive.readAloudAudio.src=s,o&&o(window.mathlive.readAloudMathField,"playing"),window.mathlive.readAloudAudio.play()}}))}}))}function Rs(t){let e=t;if("string"==typeof t&&(e=document.getElementById(t),!e))throw Error(`The element with ID "${t}" could not be found.`);return e}function Ks(t,e){Es&&((e=e||{}).renderToMarkup=e.renderToMarkup||qs,e.renderToMathML=e.renderToMathML||Ps,e.renderToSpeakableText=e.renderToSpeakableText||Is,e.macros=e.macros||At.MACROS,Es.renderMathInElement(Rs(t),e))}function Ns(t){if(t.namespace){if(!/^[a-z]+[-]?$/.test(t.namespace))throw Error("options.namespace must be a string of lowercase characters 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Cs.MathField?t.originalContent:(Ns(e=e||{}),t.getAttribute("data-"+(e.namespace||"")+"original-content"))},readAloud:Os,readAloudStatus:function(){return window?(window.mathlive=window.mathlive||{},window.mathlive.readAloudAudio?window.mathlive.readAloudAudio.paused?"paused":window.mathlive.readAloudAudio.ended?"ready":"playing":"ready"):"unavailable"},pauseReadAloud:function(){window&&(window.mathlive=window.mathlive||{},window.mathlive.readAloudAudio&&(window.mathlive.onReadAloudStatus&&window.mathlive.onReadAloudStatus(window.mathlive.readAloudMathField,"paused"),window.mathlive.readAloudAudio.pause()))},resumeReadAloud:function(){window&&(window.mathlive=window.mathlive||{},window.mathlive.readAloudAudio&&(window.mathlive.onReadAloudStatus&&window.mathlive.onReadAloudStatus(window.mathlive.readAloudMathField,"playing"),window.mathlive.readAloudAudio.play()))},playReadAloud:function(t,e){if(window&&(window.mathlive=window.mathlive||{},window.mathlive.readAloudAudio)){let i=0;if(window.mathlive.readAloudFinalToken=null,t){window.mathlive.readAloudMarks=window.mathlive.readAloudMarks||[];for(const e of window.mathlive.readAloudMarks)e.value===t&&(i=e.time/1e3);let s=window.mathlive.readAloudTokens.indexOf(t);s>=0&&(s+=e,s<window.mathlive.readAloudTokens.length&&(window.mathlive.readAloudFinalToken=s))}window.mathlive.readAloudAudio.currentTime=i,window.mathlive.onReadAloudStatus&&window.mathlive.onReadAloudStatus(window.mathlive.readAloudMathField,"playing"),window.mathlive.readAloudAudio.play()}}};export default $s;
+function t(t,e){e=e||0;const i=t.charCodeAt(e);if(55296<=i&&i<=56319&&e<t.length-1){const s=i,a=t.charCodeAt(e+1);return 56320<=a&&a<=57343?1024*(s-55296)+(a-56320)+65536:s}if(56320<=i&&i<=57343&&e>=1){const s=t.charCodeAt(e-1),a=i;return 55296<=s&&s<=56319?1024*(s-55296)+(a-56320)+65536:a}return i}function e(e,s){if((s=s||0)<0)return 0;if(s>=e.length-1)return e.length;let a=i(t(e,s));for(let r=s+1;r<e.length;r++){if(55296<=e.charCodeAt(r-1)&&e.charCodeAt(r-1)<=56319&&56320<=e.charCodeAt(r)&&e.charCodeAt(r)<=57343)continue;const s=i(t(e,r));if(n=s,!(11===(o=a)&&12===n||3===o&&11===n||11===o&&3===n||0===o&&1===n||2!==o&&0!==o&&1!==o&&2!==n&&0!==n&&1!==n&&(6===o&&(6===n||7===n||9===n||10===n)||!(9!==o&&7!==o||7!==n&&8!==n)||(10===o||8===o)&&8===n||4===o&&4===n||3===n||5===n)))return r;a=s}var o,n;return e.length}function i(t){return 13===t?0:10===t?1:0<=t&&t<=9||11<=t&&t<=12||14<=t&&t<=31||127<=t&&t<=159||173===t||1536<=t&&t<=1541||1564===t||1757===t||1807===t||6158===t||8203===t||8206<=t&&t<=8207||8232===t||8233===t||8234<=t&&t<=8238||8288<=t&&t<=8292||8293===t||8294<=t&&t<=8303||55296<=t&&t<=57343||65279===t||65520<=t&&t<=65528||65529<=t&&t<=65531||69821===t||113824<=t&&t<=113827||119155<=t&&t<=119162||917504===t||917505===t||917506<=t&&t<=917535||917536<=t&&t<=917631||917632<=t&&t<=917759||918e3<=t&&t<=921599?2:768<=t&&t<=879||1155<=t&&t<=1159||1160<=t&&t<=1161||1425<=t&&t<=1469||1471===t||1473<=t&&t<=1474||1476<=t&&t<=1477||1479===t||1552<=t&&t<=1562||1611<=t&&t<=1631||1648===t||1750<=t&&t<=1756||1759<=t&&t<=1764||1767<=t&&t<=1768||1770<=t&&t<=1773||1809===t||1840<=t&&t<=1866||1958<=t&&t<=1968||2027<=t&&t<=2035||2070<=t&&t<=2073||2075<=t&&t<=2083||2085<=t&&t<=2087||2089<=t&&t<=2093||2137<=t&&t<=2139||2275<=t&&t<=2306||2362===t||2364===t||2369<=t&&t<=2376||2381===t||2385<=t&&t<=2391||2402<=t&&t<=2403||2433===t||2492===t||2494===t||2497<=t&&t<=2500||2509===t||2519===t||2530<=t&&t<=2531||2561<=t&&t<=2562||2620===t||2625<=t&&t<=2626||2631<=t&&t<=2632||2635<=t&&t<=2637||2641===t||2672<=t&&t<=2673||2677===t||2689<=t&&t<=2690||2748===t||2753<=t&&t<=2757||2759<=t&&t<=2760||2765===t||2786<=t&&t<=2787||2817===t||2876===t||2878===t||2879===t||2881<=t&&t<=2884||2893===t||2902===t||2903===t||2914<=t&&t<=2915||2946===t||3006===t||3008===t||3021===t||3031===t||3072===t||3134<=t&&t<=3136||3142<=t&&t<=3144||3146<=t&&t<=3149||3157<=t&&t<=3158||3170<=t&&t<=3171||3201===t||3260===t||3263===t||3266===t||3270===t||3276<=t&&t<=3277||3285<=t&&t<=3286||3298<=t&&t<=3299||3329===t||3390===t||3393<=t&&t<=3396||3405===t||3415===t||3426<=t&&t<=3427||3530===t||3535===t||3538<=t&&t<=3540||3542===t||3551===t||3633===t||3636<=t&&t<=3642||3655<=t&&t<=3662||3761===t||3764<=t&&t<=3769||3771<=t&&t<=3772||3784<=t&&t<=3789||3864<=t&&t<=3865||3893===t||3895===t||3897===t||3953<=t&&t<=3966||3968<=t&&t<=3972||3974<=t&&t<=3975||3981<=t&&t<=3991||3993<=t&&t<=4028||4038===t||4141<=t&&t<=4144||4146<=t&&t<=4151||4153<=t&&t<=4154||4157<=t&&t<=4158||4184<=t&&t<=4185||4190<=t&&t<=4192||4209<=t&&t<=4212||4226===t||4229<=t&&t<=4230||4237===t||4253===t||4957<=t&&t<=4959||5906<=t&&t<=5908||5938<=t&&t<=5940||5970<=t&&t<=5971||6002<=t&&t<=6003||6068<=t&&t<=6069||6071<=t&&t<=6077||6086===t||6089<=t&&t<=6099||6109===t||6155<=t&&t<=6157||6313===t||6432<=t&&t<=6434||6439<=t&&t<=6440||6450===t||6457<=t&&t<=6459||6679<=t&&t<=6680||6683===t||6742===t||6744<=t&&t<=6750||6752===t||6754===t||6757<=t&&t<=6764||6771<=t&&t<=6780||6783===t||6832<=t&&t<=6845||6846===t||6912<=t&&t<=6915||6964===t||6966<=t&&t<=6970||6972===t||6978===t||7019<=t&&t<=7027||7040<=t&&t<=7041||7074<=t&&t<=7077||7080<=t&&t<=7081||7083<=t&&t<=7085||7142===t||7144<=t&&t<=7145||7149===t||7151<=t&&t<=7153||7212<=t&&t<=7219||7222<=t&&t<=7223||7376<=t&&t<=7378||7380<=t&&t<=7392||7394<=t&&t<=7400||7405===t||7412===t||7416<=t&&t<=7417||7616<=t&&t<=7669||7676<=t&&t<=7679||8204<=t&&t<=8205||8400<=t&&t<=8412||8413<=t&&t<=8416||8417===t||8418<=t&&t<=8420||8421<=t&&t<=8432||11503<=t&&t<=11505||11647===t||11744<=t&&t<=11775||12330<=t&&t<=12333||12334<=t&&t<=12335||12441<=t&&t<=12442||42607===t||42608<=t&&t<=42610||42612<=t&&t<=42621||42654<=t&&t<=42655||42736<=t&&t<=42737||43010===t||43014===t||43019===t||43045<=t&&t<=43046||43204===t||43232<=t&&t<=43249||43302<=t&&t<=43309||43335<=t&&t<=43345||43392<=t&&t<=43394||43443===t||43446<=t&&t<=43449||43452===t||43493===t||43561<=t&&t<=43566||43569<=t&&t<=43570||43573<=t&&t<=43574||43587===t||43596===t||43644===t||43696===t||43698<=t&&t<=43700||43703<=t&&t<=43704||43710<=t&&t<=43711||43713===t||43756<=t&&t<=43757||43766===t||44005===t||44008===t||44013===t||64286===t||65024<=t&&t<=65039||65056<=t&&t<=65071||65438<=t&&t<=65439||66045===t||66272===t||66422<=t&&t<=66426||68097<=t&&t<=68099||68101<=t&&t<=68102||68108<=t&&t<=68111||68152<=t&&t<=68154||68159===t||68325<=t&&t<=68326||69633===t||69688<=t&&t<=69702||69759<=t&&t<=69761||69811<=t&&t<=69814||69817<=t&&t<=69818||69888<=t&&t<=69890||69927<=t&&t<=69931||69933<=t&&t<=69940||70003===t||70016<=t&&t<=70017||70070<=t&&t<=70078||70090<=t&&t<=70092||70191<=t&&t<=70193||70196===t||70198<=t&&t<=70199||70367===t||70371<=t&&t<=70378||70400<=t&&t<=70401||70460===t||70462===t||70464===t||70487===t||70502<=t&&t<=70508||70512<=t&&t<=70516||70832===t||70835<=t&&t<=70840||70842===t||70845===t||70847<=t&&t<=70848||70850<=t&&t<=70851||71087===t||71090<=t&&t<=71093||71100<=t&&t<=71101||71103<=t&&t<=71104||71132<=t&&t<=71133||71219<=t&&t<=71226||71229===t||71231<=t&&t<=71232||71339===t||71341===t||71344<=t&&t<=71349||71351===t||71453<=t&&t<=71455||71458<=t&&t<=71461||71463<=t&&t<=71467||92912<=t&&t<=92916||92976<=t&&t<=92982||94095<=t&&t<=94098||113821<=t&&t<=113822||119141===t||119143<=t&&t<=119145||119150<=t&&t<=119154||119163<=t&&t<=119170||119173<=t&&t<=119179||119210<=t&&t<=119213||119362<=t&&t<=119364||121344<=t&&t<=121398||121403<=t&&t<=121452||121461===t||121476===t||121499<=t&&t<=121503||121505<=t&&t<=121519||125136<=t&&t<=125142||917760<=t&&t<=917999?3:127462<=t&&t<=127487?4:127995<=t&&t<=127999?12:2307===t||2363===t||2366<=t&&t<=2368||2377<=t&&t<=2380||2382<=t&&t<=2383||2434<=t&&t<=2435||2495<=t&&t<=2496||2503<=t&&t<=2504||2507<=t&&t<=2508||2563===t||2622<=t&&t<=2624||2691===t||2750<=t&&t<=2752||2761===t||2763<=t&&t<=2764||2818<=t&&t<=2819||2880===t||2887<=t&&t<=2888||2891<=t&&t<=2892||3007===t||3009<=t&&t<=3010||3014<=t&&t<=3016||3018<=t&&t<=3020||3073<=t&&t<=3075||3137<=t&&t<=3140||3202<=t&&t<=3203||3262===t||3264<=t&&t<=3265||3267<=t&&t<=3268||3271<=t&&t<=3272||3274<=t&&t<=3275||3330<=t&&t<=3331||3391<=t&&t<=3392||3398<=t&&t<=3400||3402<=t&&t<=3404||3458<=t&&t<=3459||3536<=t&&t<=3537||3544<=t&&t<=3550||3570<=t&&t<=3571||3635===t||3763===t||3902<=t&&t<=3903||3967===t||4145===t||4155<=t&&t<=4156||4182<=t&&t<=4183||4228===t||6070===t||6078<=t&&t<=6085||6087<=t&&t<=6088||6435<=t&&t<=6438||6441<=t&&t<=6443||6448<=t&&t<=6449||6451<=t&&t<=6456||6681<=t&&t<=6682||6741===t||6743===t||6765<=t&&t<=6770||6916===t||6965===t||6971===t||6973<=t&&t<=6977||6979<=t&&t<=6980||7042===t||7073===t||7078<=t&&t<=7079||7082===t||7143===t||7146<=t&&t<=7148||7150===t||7154<=t&&t<=7155||7204<=t&&t<=7211||7220<=t&&t<=7221||7393===t||7410<=t&&t<=7411||43043<=t&&t<=43044||43047===t||43136<=t&&t<=43137||43188<=t&&t<=43203||43346<=t&&t<=43347||43395===t||43444<=t&&t<=43445||43450<=t&&t<=43451||43453<=t&&t<=43456||43567<=t&&t<=43568||43571<=t&&t<=43572||43597===t||43755===t||43758<=t&&t<=43759||43765===t||44003<=t&&t<=44004||44006<=t&&t<=44007||44009<=t&&t<=44010||44012===t||69632===t||69634===t||69762===t||69808<=t&&t<=69810||69815<=t&&t<=69816||69932===t||70018===t||70067<=t&&t<=70069||70079<=t&&t<=70080||70188<=t&&t<=70190||70194<=t&&t<=70195||70197===t||70368<=t&&t<=70370||70402<=t&&t<=70403||70463===t||70465<=t&&t<=70468||70471<=t&&t<=70472||70475<=t&&t<=70477||70498<=t&&t<=70499||70833<=t&&t<=70834||70841===t||70843<=t&&t<=70844||70846===t||70849===t||71088<=t&&t<=71089||71096<=t&&t<=71099||71102===t||71216<=t&&t<=71218||71227<=t&&t<=71228||71230===t||71340===t||71342<=t&&t<=71343||71350===t||71456<=t&&t<=71457||71462===t||94033<=t&&t<=94078||119142===t||119149===t?5:4352<=t&&t<=4447||43360<=t&&t<=43388?6:4448<=t&&t<=4519||55216<=t&&t<=55238?7:4520<=t&&t<=4607||55243<=t&&t<=55291?8:44032===t||44060===t||44088===t||44116===t||44144===t||44172===t||44200===t||44228===t||44256===t||44284===t||44312===t||44340===t||44368===t||44396===t||44424===t||44452===t||44480===t||44508===t||44536===t||44564===t||44592===t||44620===t||44648===t||44676===t||44704===t||44732===t||44760===t||44788===t||44816===t||44844===t||44872===t||44900===t||44928===t||44956===t||44984===t||45012===t||45040===t||45068===t||45096===t||45124===t||45152===t||45180===t||45208===t||45236===t||45264===t||45292===t||45320===t||45348===t||45376===t||45404===t||45432===t||45460===t||45488===t||45516===t||45544===t||45572===t||45600===t||45628===t||45656===t||45684===t||45712===t||45740===t||45768===t||45796===t||45824===t||45852===t||45880===t||45908===t||45936===t||45964===t||45992===t||46020===t||46048===t||46076===t||46104===t||46132===t||46160===t||46188===t||46216===t||46244===t||46272===t||46300===t||46328===t||46356===t||46384===t||46412===t||46440===t||46468===t||46496===t||46524===t||46552===t||46580===t||46608===t||46636===t||46664===t||46692===t||46720===t||46748===t||46776===t||46804===t||46832===t||46860===t||46888===t||46916===t||46944===t||46972===t||47e3===t||47028===t||47056===t||47084===t||47112===t||47140===t||47168===t||47196===t||47224===t||47252===t||47280===t||47308===t||47336===t||47364===t||47392===t||47420===t||47448===t||47476===t||47504===t||47532===t||47560===t||47588===t||47616===t||47644===t||47672===t||47700===t||47728===t||47756===t||47784===t||47812===t||47840===t||47868===t||47896===t||47924===t||47952===t||47980===t||48008===t||48036===t||48064===t||48092===t||48120===t||48148===t||48176===t||48204===t||48232===t||48260===t||48288===t||48316===t||48344===t||48372===t||48400===t||48428===t||48456===t||48484===t||48512===t||48540===t||48568===t||48596===t||48624===t||48652===t||48680===t||48708===t||48736===t||48764===t||48792===t||48820===t||48848===t||48876===t||48904===t||48932===t||48960===t||48988===t||49016===t||49044===t||49072===t||49100===t||49128===t||49156===t||49184===t||49212===t||49240===t||49268===t||49296===t||49324===t||49352===t||49380===t||49408===t||49436===t||49464===t||49492===t||49520===t||49548===t||49576===t||49604===t||49632===t||49660===t||49688===t||49716===t||49744===t||49772===t||49800===t||49828===t||49856===t||49884===t||49912===t||49940===t||49968===t||49996===t||50024===t||50052===t||50080===t||50108===t||50136===t||50164===t||50192===t||50220===t||50248===t||50276===t||50304===t||50332===t||50360===t||50388===t||50416===t||50444===t||50472===t||50500===t||50528===t||50556===t||50584===t||50612===t||50640===t||50668===t||50696===t||50724===t||50752===t||50780===t||50808===t||50836===t||50864===t||50892===t||50920===t||50948===t||50976===t||51004===t||51032===t||51060===t||51088===t||51116===t||51144===t||51172===t||51200===t||51228===t||51256===t||51284===t||51312===t||51340===t||51368===t||51396===t||51424===t||51452===t||51480===t||51508===t||51536===t||51564===t||51592===t||51620===t||51648===t||51676===t||51704===t||51732===t||51760===t||51788===t||51816===t||51844===t||51872===t||51900===t||51928===t||51956===t||51984===t||52012===t||52040===t||52068===t||52096===t||52124===t||52152===t||52180===t||52208===t||52236===t||52264===t||52292===t||52320===t||52348===t||52376===t||52404===t||52432===t||52460===t||52488===t||52516===t||52544===t||52572===t||52600===t||52628===t||52656===t||52684===t||52712===t||52740===t||52768===t||52796===t||52824===t||52852===t||52880===t||52908===t||52936===t||52964===t||52992===t||53020===t||53048===t||53076===t||53104===t||53132===t||53160===t||53188===t||53216===t||53244===t||53272===t||53300===t||53328===t||53356===t||53384===t||53412===t||53440===t||53468===t||53496===t||53524===t||53552===t||53580===t||53608===t||53636===t||53664===t||53692===t||53720===t||53748===t||53776===t||53804===t||53832===t||53860===t||53888===t||53916===t||53944===t||53972===t||54e3===t||54028===t||54056===t||54084===t||54112===t||54140===t||54168===t||54196===t||54224===t||54252===t||54280===t||54308===t||54336===t||54364===t||54392===t||54420===t||54448===t||54476===t||54504===t||54532===t||54560===t||54588===t||54616===t||54644===t||54672===t||54700===t||54728===t||54756===t||54784===t||54812===t||54840===t||54868===t||54896===t||54924===t||54952===t||54980===t||55008===t||55036===t||55064===t||55092===t||55120===t||55148===t||55176===t?9:44033<=t&&t<=44059||44061<=t&&t<=44087||44089<=t&&t<=44115||44117<=t&&t<=44143||44145<=t&&t<=44171||44173<=t&&t<=44199||44201<=t&&t<=44227||44229<=t&&t<=44255||44257<=t&&t<=44283||44285<=t&&t<=44311||44313<=t&&t<=44339||44341<=t&&t<=44367||44369<=t&&t<=44395||44397<=t&&t<=44423||44425<=t&&t<=44451||44453<=t&&t<=44479||44481<=t&&t<=44507||44509<=t&&t<=44535||44537<=t&&t<=44563||44565<=t&&t<=44591||44593<=t&&t<=44619||44621<=t&&t<=44647||44649<=t&&t<=44675||44677<=t&&t<=44703||44705<=t&&t<=44731||44733<=t&&t<=44759||44761<=t&&t<=44787||44789<=t&&t<=44815||44817<=t&&t<=44843||44845<=t&&t<=44871||44873<=t&&t<=44899||44901<=t&&t<=44927||44929<=t&&t<=44955||44957<=t&&t<=44983||44985<=t&&t<=45011||45013<=t&&t<=45039||45041<=t&&t<=45067||45069<=t&&t<=45095||45097<=t&&t<=45123||45125<=t&&t<=45151||45153<=t&&t<=45179||45181<=t&&t<=45207||45209<=t&&t<=45235||45237<=t&&t<=45263||45265<=t&&t<=45291||45293<=t&&t<=45319||45321<=t&&t<=45347||45349<=t&&t<=45375||45377<=t&&t<=45403||45405<=t&&t<=45431||45433<=t&&t<=45459||45461<=t&&t<=45487||45489<=t&&t<=45515||45517<=t&&t<=45543||45545<=t&&t<=45571||45573<=t&&t<=45599||45601<=t&&t<=45627||45629<=t&&t<=45655||45657<=t&&t<=45683||45685<=t&&t<=45711||45713<=t&&t<=45739||45741<=t&&t<=45767||45769<=t&&t<=45795||45797<=t&&t<=45823||45825<=t&&t<=45851||45853<=t&&t<=45879||45881<=t&&t<=45907||45909<=t&&t<=45935||45937<=t&&t<=45963||45965<=t&&t<=45991||45993<=t&&t<=46019||46021<=t&&t<=46047||46049<=t&&t<=46075||46077<=t&&t<=46103||46105<=t&&t<=46131||46133<=t&&t<=46159||46161<=t&&t<=46187||46189<=t&&t<=46215||46217<=t&&t<=46243||46245<=t&&t<=46271||46273<=t&&t<=46299||46301<=t&&t<=46327||46329<=t&&t<=46355||46357<=t&&t<=46383||46385<=t&&t<=46411||46413<=t&&t<=46439||46441<=t&&t<=46467||46469<=t&&t<=46495||46497<=t&&t<=46523||46525<=t&&t<=46551||46553<=t&&t<=46579||46581<=t&&t<=46607||46609<=t&&t<=46635||46637<=t&&t<=46663||46665<=t&&t<=46691||46693<=t&&t<=46719||46721<=t&&t<=46747||46749<=t&&t<=46775||46777<=t&&t<=46803||46805<=t&&t<=46831||46833<=t&&t<=46859||46861<=t&&t<=46887||46889<=t&&t<=46915||46917<=t&&t<=46943||46945<=t&&t<=46971||46973<=t&&t<=46999||47001<=t&&t<=47027||47029<=t&&t<=47055||47057<=t&&t<=47083||47085<=t&&t<=47111||47113<=t&&t<=47139||47141<=t&&t<=47167||47169<=t&&t<=47195||47197<=t&&t<=47223||47225<=t&&t<=47251||47253<=t&&t<=47279||47281<=t&&t<=47307||47309<=t&&t<=47335||47337<=t&&t<=47363||47365<=t&&t<=47391||47393<=t&&t<=47419||47421<=t&&t<=47447||47449<=t&&t<=47475||47477<=t&&t<=47503||47505<=t&&t<=47531||47533<=t&&t<=47559||47561<=t&&t<=47587||47589<=t&&t<=47615||47617<=t&&t<=47643||47645<=t&&t<=47671||47673<=t&&t<=47699||47701<=t&&t<=47727||47729<=t&&t<=47755||47757<=t&&t<=47783||47785<=t&&t<=47811||47813<=t&&t<=47839||47841<=t&&t<=47867||47869<=t&&t<=47895||47897<=t&&t<=47923||47925<=t&&t<=47951||47953<=t&&t<=47979||47981<=t&&t<=48007||48009<=t&&t<=48035||48037<=t&&t<=48063||48065<=t&&t<=48091||48093<=t&&t<=48119||48121<=t&&t<=48147||48149<=t&&t<=48175||48177<=t&&t<=48203||48205<=t&&t<=48231||48233<=t&&t<=48259||48261<=t&&t<=48287||48289<=t&&t<=48315||48317<=t&&t<=48343||48345<=t&&t<=48371||48373<=t&&t<=48399||48401<=t&&t<=48427||48429<=t&&t<=48455||48457<=t&&t<=48483||48485<=t&&t<=48511||48513<=t&&t<=48539||48541<=t&&t<=48567||48569<=t&&t<=48595||4859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n=i[s].caret,r=/ML__selected/.test(i[s].classes);i[s]=this.bind(t,Ot.makeLeftRightDelim("minner",i[s].delim,a,o,e)),i[s].caret=n,i[s].selected(r)}n=n.concat(i)}if(this.rightDelim){let i,s=this.rightDelim;"?"===s&&(s={"(":")","\\{":"\\}","\\[":"\\]","\\lbrace":"\\rbrace","\\langle":"\\rangle","\\lfloor":"\\rfloor","\\lceil":"\\rceil","\\vert":"\\vert","\\lvert":"\\rvert","\\Vert":"\\Vert","\\lVert":"\\rVert","\\lbrack":"\\rbrack","\\ulcorner":"\\urcorner","\\llcorner":"\\lrcorner","\\lgroup":"\\rgroup","\\lmoustache":"\\rmoustache"}[this.leftDelim],s=s||this.leftDelim,i="ML__smart-fence__close"),n.push(this.bind(t,Ot.makeLeftRightDelim("mclose",s,a,o,e,i))),n[n.length-1].applyStyle(this.getStyle())}return this.inner?Nt(n,s.cls()):n}decomposeSurd(t){const e=t.mathstyle,i=Jt(t.cramp(),this.body),s=h.defaultRuleThickness/e.sizeMultiplier;let a=s;e.id<M.TEXT.id&&(a=e.metrics.xHeight);let o=s+a/4;const n=Math.max(2*a,($.height(i)+$.depth(i))*e.sizeMultiplier)+(o+s),r=Rt(Ot.makeCustomSizedDelim("","\\surd",n,!1,t),"sqrt-sign");r.applyStyle(this.getStyle());const l=r.height+r.depth-s;l>$.height(i)+$.depth(i)+o&&(o=(o+l-($.height(i)+$.depth(i)))/2),r.setTop(r.height-$.height(i)-(o+s));const c=Rt(null,t.mathstyle.adjustTo(M.TEXT)+" sqrt-line");c.applyStyle(this.getStyle()),c.height=s;const d=Wt(t,[i,o,c,s]);if(!this.index)return this.bind(t,Kt([r,d],"sqrt"));const p=t.clone({mathstyle:M.SCRIPTSCRIPT}),m=Rt(Jt(p,this.index),e.adjustTo(M.SCRIPTSCRIPT)),u=Math.max(r.height,d.height),f=Math.max(r.depth,d.depth),g=Wt(t,[m],"shift",-.6*(u-f));return this.bind(t,Kt([Rt(g,"root"),r,d],"sqrt"))}decomposeAccent(t){const e=t.mathstyle;let i=Jt(t.cramp(),this.body);(this.superscript||this.subscript)&&(i=this.attachSupsub(t,Kt(i),"mord"));let s=0;Array.isArray(this.body)&&1===this.body.length&&this.body[0].isCharacterBox()&&(s=$.skew(i));const a=Math.min($.height(i),e.metrics.xHeight),o=$.makeSymbol("Main-Regular",this.accent,"math");o.italic=0;const n="⃗"===this.accent?" accent-vec":"";let r=Rt(Rt(o),"accent-body"+n);return r=Wt(t,[i,-a,r]),r.children[1].setLeft(2*s),Kt(r,"accent")}decomposeLine(t){const e=t.mathstyle,i=Jt(t.cramp(),this.body),s=h.defaultRuleThickness/e.sizeMultiplier,a=Rt(null,t.mathstyle.adjustTo(M.TEXT)+" "+this.position+"-line");let o;if(a.height=s,a.maxFontSize=1,"overline"===this.position)o=Wt(t,[i,3*s,a,s]);else{const e=Rt(i);o=Wt(t,[s,a,3*s,e],"top",$.height(e))}return Kt(o,this.position)}decomposeOverunder(t){const e=Jt(t,this.body),i=t.clone({mathstyle:"scriptstyle"}),s=this.overscript?Rt(Jt(i,this.overscript),t.mathstyle.adjustTo(i.mathstyle)):null,a=this.underscript?Rt(Jt(i,this.underscript),t.mathstyle.adjustTo(i.mathstyle)):null;return Xt(t,e,0,0,s,a,this.mathtype||"mrel")}decomposeOverlap(t){const e=Rt(Jt(t,this.body),"inner");return Kt([e,Rt(null,"fix")],"left"===this.align?"llap":"rlap")}decomposeRule(t){const e=t.mathstyle,i=Kt("","rule");let s=this.shift&&!isNaN(this.shift)?this.shift:0;s/=e.sizeMultiplier;const a=this.width/e.sizeMultiplier,o=this.height/e.sizeMultiplier;return i.setStyle("border-right-width",a,"em"),i.setStyle("border-top-width",o,"em"),i.setStyle("margin-top",-(o-s),"em"),i.setStyle("border-color",t.color),i.width=a,i.height=o+s,i.depth=-s,i}decomposeOp(t){const e=t.mathstyle;let i,s=!1;e.size===M.DISPLAY.size&&"string"==typeof this.body&&"\\smallint"!==this.body&&(s=!0);let a=0,o=0;if(this.symbol){const n=s?"Size2-Regular":"Size1-Regular";i=$.makeSymbol(n,this.body,"op-symbol "+(s?"large-op":"small-op")),i.type="mop",a=(i.height-i.depth)/2-e.metrics.axisHeight*e.sizeMultiplier,o=i.italic,this.bind(t,i)}else Array.isArray(this.body)?(i=$.makeOp(Jt(t,this.body)),this.bind(t,i)):i=this.makeSpan(t,this.body);if(this.superscript||this.subscript){const s=this.limits||"auto";return this.alwaysHandleSupSub||"limits"===s||"auto"===s&&e.size===M.DISPLAY.size?this.attachLimits(t,i,a,o):this.attachSupsub(t,i,"mop")}return this.symbol&&i.setTop(a),i}decomposeBox(t){const e=Kt(Jt(t,this.body)),i=Rt();i.setStyle("position","absolute");const s="number"==typeof this.padding?this.padding:h.fboxsep;i.setStyle("height",e.height+e.depth+2*s,"em"),0!==s?i.setStyle("width","calc(100% + "+2*s+"em)"):i.setStyle("width","100%"),i.setStyle("top",-s,"em"),i.setStyle("left",-s,"em"),i.setStyle("z-index","-1"),this.backgroundcolor&&i.setStyle("background-color",this.backgroundcolor),this.framecolor&&i.setStyle("border",h.fboxrule+"em solid "+this.framecolor),this.border&&i.setStyle("border",this.border),e.setStyle("display","inline-block"),e.setStyle("height",e.height+e.depth,"em"),e.setStyle("vertical-align",-e.depth+s,"em");const a=Rt([i,e]);return a.setStyle("position","relative"),a.setStyle("vertical-align",-s+e.depth,"em"),a.height=e.height+s,a.depth=e.depth+s,a.setLeft(s),a.setRight(s),a}decomposeEnclose(t){const e=Kt(Jt(t,this.body)),i="auto"===this.padding?.2:this.padding;e.setStyle("padding",i,"em"),e.setStyle("display","inline-block"),e.setStyle("height",e.height+e.depth,"em"),e.setStyle("left",-i,"em"),this.backgroundcolor&&"transparent"!==this.backgroundcolor&&e.setStyle("background-color",this.backgroundcolor);let s="";if(this.notation.box&&e.setStyle("border",this.borderStyle),this.notation.actuarial&&(e.setStyle("border-top",this.borderStyle),e.setStyle("border-right",this.borderStyle)),this.notation.madruwb&&(e.setStyle("border-bottom",this.borderStyle),e.setStyle("border-right",this.borderStyle)),this.notation.roundedbox&&(e.setStyle("border-radius",($.height(e)+$.depth(e))/2,"em"),e.setStyle("border",this.borderStyle)),this.notation.circle&&(e.setStyle("border-radius","50%"),e.setStyle("border",this.borderStyle)),this.notation.top&&e.setStyle("border-top",this.borderStyle),this.notation.left&&e.setStyle("border-left",this.borderStyle),this.notation.right&&e.setStyle("border-right",this.borderStyle),this.notation.bottom&&e.setStyle("border-bottom",this.borderStyle),this.notation.horizontalstrike&&(s+='<line x1="3%"  y1="50%" x2="97%" y2="50%"',s+=` stroke-width="${this.strokeWidth}" stroke="${this.strokeColor}"`,s+=' stroke-linecap="round"',this.svgStrokeStyle&&(s+=` stroke-dasharray="${this.svgStrokeStyle}"`),s+="/>"),this.notation.verticalstrike&&(s+='<line x1="50%"  y1="3%" x2="50%" y2="97%"',s+=` stroke-width="${this.strokeWidth}" stroke="${this.strokeColor}"`,s+=' stroke-linecap="round"',this.svgStrokeStyle&&(s+=` stroke-dasharray="${this.svgStrokeStyle}"`),s+="/>"),this.notation.updiagonalstrike&&(s+='<line x1="3%"  y1="97%" x2="97%" y2="3%"',s+=` stroke-width="${this.strokeWidth}" stroke="${this.strokeColor}"`,s+=' stroke-linecap="round"',this.svgStrokeStyle&&(s+=` stroke-dasharray="${this.svgStrokeStyle}"`),s+="/>"),this.notation.downdiagonalstrike&&(s+='<line x1="3%"  y1="3%" x2="97%" y2="97%"',s+=` stroke-width="${this.strokeWidth}" stroke="${this.strokeColor}"`,s+=' stroke-linecap="round"',this.svgStrokeStyle&&(s+=` stroke-dasharray="${this.svgStrokeStyle}"`),s+="/>"),s){let t;return"none"!==this.shadow&&(t="auto"===this.shadow?"filter: drop-shadow(0 0 .5px rgba(255, 255, 255, .7)) drop-shadow(1px 1px 2px #333)":"filter: drop-shadow("+this.shadow+")"),$.makeSVG(e,s,t)}return e}decompose(t,e){let i=null;if(!this.type||/mord|minner|mbin|mrel|mpunct|mopen|mclose|textord/.test(this.type))i="string"==typeof this.body?this.makeSpan(t,this.body):this.makeSpan(t,Jt(t,this.body)),i.type=this.type;else if("group"===this.type||"root"===this.type)i=this.decomposeGroup(t);else if("array"===this.type)i=this.decomposeArray(t);else if("genfrac"===this.type)i=this.decomposeGenfrac(t);else if("surd"===this.type)i=this.decomposeSurd(t);else if("accent"===this.type)i=this.decomposeAccent(t);else if("leftright"===this.type)i=this.decomposeLeftright(t);else if("delim"===this.type)i=Rt(null,""),i.delim=this.delim;else if("sizeddelim"===this.type)i=this.bind(t,Ot.makeSizedDelim(this.cls,this.delim,this.size,t));else if("line"===this.type)i=this.decomposeLine(t);else if("overunder"===this.type)i=this.decomposeOverunder(t);else if("overlap"===this.type)i=this.decomposeOverlap(t);else if("rule"===this.type)i=this.decomposeRule(t);else if("styling"===this.type);else if("msubsup"===this.type)i=Kt("​"),e&&(i.height=e[0].height,i.depth=e[0].depth);else if("mop"===this.type)i=this.decomposeOp(t);else if("space"===this.type)i=this.makeSpan(t," ");else if("spacing"===this.type)if("​"===this.body)i=this.makeSpan(t,"​");else if(" "===this.body)i="math"===this.mode?this.makeSpan(t," "):this.makeSpan(t," ");else if(this.width)i=Rt("​","mspace "),this.width>0?i.setWidth(this.width):i.setStyle("margin-left",this.width,"em");else{const t={qquad:"qquad",quad:"quad",enspace:"enspace",";":"thickspace",":":"mediumspace",",":"thinspace","!":"negativethinspace"}[this.body]||"quad";i=Rt("​","mspace "+t)}else"mathstyle"===this.type?t.setMathstyle(this.mathstyle):"box"===this.type?i=this.decomposeBox(t):"enclose"===this.type?i=this.decomposeEnclose(t):"command"===this.type||"error"===this.type?(i=this.makeSpan(t,this.body),i.classes="",this.error&&(i.classes+=" ML__error"),this.suggestion&&(i.classes+=" ML__suggestion")):"placeholder"===this.type?i=this.makeSpan(t,"⬚"):"first"===this.type&&(i=this.makeSpan(t,"​"));if(!i)return i;if(this.caret&&"styling"!==this.type&&"msubsup"!==this.type&&"command"!==this.type&&"placeholder"!==this.type&&"first"!==this.type&&(Array.isArray(i)?i[i.length-1].caret=this.caret:i.caret=this.caret),!this.limits&&(this.superscript||this.subscript))if(Array.isArray(i)){const e=i[i.length-1];i[i.length-1]=this.attachSupsub(t,e,e.type)}else i=[this.attachSupsub(t,i,i.type)];return Array.isArray(i)?i:[i]}attachSupsub(t,e,i){if(!this.superscript&&!this.subscript)return e;const s=t.mathstyle;let a=null,o=null;if(this.superscript){const e=Jt(t.sup(),this.superscript);a=Rt(e,s.adjustTo(s.sup()))}if(this.subscript){const e=Jt(t.sub(),this.subscript);o=Rt(e,s.adjustTo(s.sub()))}let n,r=0,l=0;this.isCharacterBox()||(r=$.height(e)-s.metrics.supDrop,l=$.depth(e)+s.metrics.subDrop),n=s===M.DISPLAY?s.metrics.sup1:s.cramped?s.metrics.sup3:s.metrics.sup2;const c=M.TEXT.sizeMultiplier*s.sizeMultiplier,d=.5/h.ptPerEm/c;let p=null;if(o&&a){r=Math.max(r,n,a.depth+.25*s.metrics.xHeight),l=Math.max(l,s.metrics.sub2);const i=h.defaultRuleThickness;if(r-$.depth(a)-($.height(o)-l)<4*i){l=4*i-(r-a.depth)+$.height(o);const t=.8*s.metrics.xHeight-(r-$.depth(a));t>0&&(r+=t,l-=t)}p=Wt(t,[o,l,a,-r],"individualShift"),this.symbol&&p.children[0].setLeft(-$.italic(e))}else o&&!a?(l=Math.max(l,s.metrics.sub1,$.height(o)-.8*s.metrics.xHeight),p=Wt(t,[o],"shift",l),p.children[0].setRight(d),this.isCharacterBox()&&p.children[0].setLeft(-$.italic(e))):!o&&a&&(r=Math.max(r,n,a.depth+.25*s.metrics.xHeight),p=Wt(t,[a],"shift",-r),p.children[0].setRight(d));const m=Rt(p,"msubsup");return this.caret&&(m.caret=this.caret),$.makeSpanOfType(i,[e,m])}attachLimits(t,e,i,s){const a=this.superscript?Rt(Jt(t.sup(),this.superscript),t.mathstyle.adjustTo(t.mathstyle.sup())):null,o=this.subscript?Rt(Jt(t.sub(),this.subscript),t.mathstyle.adjustTo(t.mathstyle.sub())):null;return Xt(t,e,i,s,a,o,"mop")}bind(t,e){return"first"!==this.type&&"​"!==this.body&&(this.id=function(t){let e;return"boolean"==typeof t.generateID&&t.generateID?e=Date.now().toString(36).slice(-2)+Math.floor(1e5*Math.random()).toString(36):"object"==typeof t.generateID&&(e=t.generateID.overrideID?t.generateID.overrideID:t.generateID.seed.toString(36),t.generateID.seed+=1),e}(t),this.id&&(e.attributes||(e.attributes={}),e.attributes["data-atom-id"]=this.id)),e}makeSpan(t,e){const i="textord"===this.type?"mord":this.type,s=$.makeSpanOfType(i,e),a=this.getStyle();s.applyStyle(a);const o=a&&a.fontSize?a.fontSize:"size5";return o!==t.parentSize?(s.classes+=" sizing reset-"+t.parentSize,s.classes+=" "+o):t.parentSize!==t.size&&(s.classes+=" sizing reset-"+t.parentSize,s.classes+=" "+t.size),s.maxFontSize=Math.max(s.maxFontSize,t.sizeMultiplier||1),"text"===this.mode&&(s.classes+=" ML__text"),t.mathstyle.isTight()&&(s.isTight=!0),"math"!==this.mode&&(s.italic=0),s.setRight(s.italic),"number"==typeof t.opacity&&s.setStyle("opacity",t.opacity),this.bind(t,s),this.caret&&(this.superscript||this.subscript||(s.caret=this.caret,t.mathstyle.isTight()&&(s.isTight=!0))),s}}function Gt(t){const e=Rt("​","arraycolsep");return e.setWidth(t,"em"),e}function Zt(t,e,i,s){const a=[];for(const o of e){const e=Rt(Jt(t,s));e.depth=o.depth,e.height=o.height,a.push(e),a.push(o.pos-i)}return Wt(t,a,"individualShift")}function Xt(t,e,i,s,a,o,n){if(!a&&!o)return e;e=Rt(e);let r=0,l=0;a&&(r=Math.max(h.bigOpSpacing1,h.bigOpSpacing3-a.depth)),o&&(l=Math.max(h.bigOpSpacing2,h.bigOpSpacing4-o.height));let c=null;if(o&&a){const n=h.bigOpSpacing5+$.height(o)+$.depth(o)+l+$.depth(e)+i;c=Wt(t,[h.bigOpSpacing5,o,l,e,r,a,h.bigOpSpacing5],"bottom",n),c.children[0].setLeft(-s),c.children[2].setLeft(s)}else if(o&&!a){const a=$.height(e)-i;c=Wt(t,[h.bigOpSpacing5,o,l,e],"top",a),c.children[0].setLeft(-s)}else if(!o&&a){const o=$.depth(e)+i;c=Wt(t,[e,r,a,h.bigOpSpacing5],"bottom",o),c.children[1].setLeft(s)}return $.makeSpanOfType(n,c,"op-limits")}function Jt(t,e){function i(t){return"mord"===t.type&&/[0-9,.]/.test(t.latex)}function s(t){return"text"===t.mode}t instanceof _||(t=new _(t));const a=!t.generateID||!t.generateID.groupNumbers;let o=[];if(Array.isArray(e)){if(0===e.length)return o;if(1===e.length)o=e[0].decompose(t),o&&a&&e[0].isSelected&&o.forEach(t=>t.selected(!0));else{let n="none",r=e[1].type,l=[],c=null,h=!0,d=null;for(let p=0;p<e.length;p++){"mbin"===e[p].type&&(/first|none|mrel|mpunct|mopen|mbin|mop/.test(n)||/none|mrel|mpunct|mclose/.test(r))&&(e[p].type="mord"),"​"===e[p].body&&(e[p].superscript||e[p].subscript)||(d=null),t.generateID.groupNumbers&&c&&(h&&i(e[p])||!h&&s(e[p]))&&(t.generateID.overrideID=c);const m=e[p].decompose(t,d);if(t.generateID&&(t.generateID.overrideID=null),m){const n=[].concat.apply([],m);d=n,t.generateID&&t.generateID.groupNumbers&&((i(e[p])||s(e[p]))&&(c&&h===i(e[p])||(h=i(e[p]),c=e[p].id)),(!i(e[p])&&!s(e[p])||e[p].superscript||e[p].subscript)&&c&&(c=null)),a&&e[p].isSelected?(l=l.concat(n),l.forEach(t=>t.selected(!0))):(l.length>0&&(o=[...o,...l],l=[]),o=o.concat(n))}n=e[p].getFinalBaseElement().type,r=e[p+1]?e[p+1].getInitialBaseElement().type:"none"}l.length>0&&(o=[...o,...l],l=[])}}else e&&(o=e.decompose(t),o&&a&&e.isSelected&&o.forEach(t=>t.selected(!0)));if(!o||0===o.length)return null;if(t.mathstyle!==t.parentMathstyle){const e=t.mathstyle.sizeMultiplier/t.parentMathstyle.sizeMultiplier;for(const t of o)t.height*=e,t.depth*=e}if(t.size!==t.parentSize){const e=Ut[t.size]/Ut[t.parentSize];for(const t of o)t.height*=e,t.depth*=e}return o}var Yt={MathAtom:jt,decompose:Jt,makeRoot:function(t,e){const i=new jt(t=t||"math","root",e||[]);return 0!==i.body.length&&"first"===i.body[0].type||i.body.unshift(new jt("","first")),i},GREEK_REGEX:Ht};const Qt={m0:"#3f3d99",m1:"#993d71",m2:"#998b3d",m3:"#3d9956",m4:"#3d5a99",m5:"#993d90",m6:"#996d3d",m7:"#43993d",m8:"#3d7999",m9:"#843d99"},te={apricot:"#FBB982",aquamarine:"#00B5BE",bittersweet:"#C04F17",black:"#221E1F",blue:"#2D2F92",bluegreen:"#00B3B8",blueviolet:"#473992",brickred:"#B6321C",brown:"#792500",burntorange:"#F7921D",cadetblue:"#74729A",carnationpink:"#F282B4",cerulean:"#00A2E3",cornflowerblue:"#41B0E4",cyan:"#00AEEF",dandelion:"#FDBC42",darkorchid:"#A4538A",emerald:"#00A99D",forestgreen:"#009B55",fuchsia:"#8C368C",goldenrod:"#FFDF42",gray:"#949698",green:"#00A64F",greenyellow:"#DFE674",junglegreen:"#00A99A",lavender:"#F49EC4",limegreen:"#8DC73E",magenta:"#EC008C",mahogany:"#A9341F",maroon:"#AF3235",melon:"#F89E7B",midnightblue:"#006795",mulberry:"#A93C93",navyblue:"#006EB8",olivegreen:"#3C8031",orange:"#F58137",orangered:"#ED135A",orchid:"#AF72B0",peach:"#F7965A",periwinkle:"#7977B8",pinegreen:"#008B72",plum:"#92268F",processblue:"#00B0F0",purple:"#99479B",rawsienna:"#974006",red:"#ED1B23",redorange:"#F26035",redviolet:"#A1246B",rhodamine:"#EF559F",royalblue:"#0071BC",royalpurple:"#613F99",rubinered:"#ED017D",salmon:"#F69289",seagreen:"#3FBC9D",sepia:"#671800",skyblue:"#46C5DD",springgreen:"#C6DC67",tan:"#DA9D76",tealblue:"#00AEB3",thistle:"#D883B7",turquoise:"#00B4CE",violet:"#58429B",violetred:"#EF58A0",white:"#FFFFFF",wildstrawberry:"#EE2967",yellow:"#FFF200",yellowgreen:"#98CC70",yelloworange:"#FAA21A"};var ee=function(t){const e=t.toLowerCase().split("!");let i,s,a,o=255,n=255,r=255,l=-1;const c=e.length>0&&"-"===e[0].charAt(0);c&&(e[0]=e[0].slice(1));for(let t=0;t<e.length;t++){i=o,s=n,a=r;let c=e[t].match(/([a-z0-9]*)/);c&&(c=c[1]);let h=te[c]||Qt[c];h||(h=e[t]);let d=h.match(/^#([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2})$/i);if(d&&d[1]&&d[2]&&d[3])o=Math.max(0,Math.min(255,parseInt(d[1],16))),n=Math.max(0,Math.min(255,parseInt(d[2],16))),r=Math.max(0,Math.min(255,parseInt(d[3],16)));else if(d=h.match(/^#([0-9a-f]{3})$/i),d&&d[1]){const t=parseInt(d[1][0],16),e=parseInt(d[1][1],16),i=parseInt(d[1][2],16);o=Math.max(0,Math.min(255,16*t+t)),n=Math.max(0,Math.min(255,16*e+e)),r=Math.max(0,Math.min(255,16*i+i))}else{if(d=h.match(/^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i),!(d&&d[1]&&d[2]&&d[3]))return null;o=Math.max(0,Math.min(255,parseInt(d[1]))),n=Math.max(0,Math.min(255,parseInt(d[2]))),r=Math.max(0,Math.min(255,parseInt(d[3])))}l>=0&&(o=(1-l)*o+l*i,n=(1-l)*n+l*s,r=(1-l)*r+l*a,l=-1),t+1<e.length&&(l=Math.max(0,Math.min(100,parseInt(e[++t])))/100)}return l>=0&&(o=l*o+(1-l)*i,n=l*n+(1-l)*s,r=l*r+(1-l)*a),c&&(o=255-o,n=255-n,r=255-r),"#"+("00"+Math.round(o).toString(16)).slice(-2)+("00"+Math.round(n).toString(16)).slice(-2)+("00"+Math.round(r).toString(16)).slice(-2)},ie=function(t){let e=t.toUpperCase();for(const t in te)if(te[t]===e){e=t;break}for(const t in Qt)if(Qt[t]===e){e=t;break}return e},se=["#d35d60","#7293cb","#e1974d","#84bb5d","#9066a7","#aD6a58","#f5a4ce","#fff590","#212121","#818787","#d4d5d2","#ffffff"],ae=["#cc2428","#3769b1","#da7e30","#409852","#6b4c9a","#922426","#e7298a","#ffe907","#000000","#525055","#adafaa","#ffffff"];const oe=Yt.MathAtom;class ne{constructor(t,e,i){this.tokens=t,this.index=0,this.args=e,this.macros=i,this.mathList=[],this.style={},this.parseMode="math",this.tabularMode=!1,this.endCount=0}swapMathList(t){const e=this.mathList;return this.mathList=t||[],e}swapParseMode(t){const e=this.parseMode;return this.parseMode=t,e}end(){return this.endCount++,this.index>=this.tokens.length||this.endCount>1e3}get(){return this.endCount=0,this.index<this.tokens.length?this.tokens[this.index++]:null}peek(t){const e=this.index+(t||0);return e<this.tokens.length?this.tokens[e]:null}lastMathAtom(){const t=0===this.mathList.length?"none":this.mathList[this.mathList.length-1].type;if("mop"!==t&&"msubsup"!==t){const t=new oe(this.parseMode,"msubsup","​");t.attributes={"aria-hidden":!0},this.mathList.push(t)}return this.mathList[this.mathList.length-1]}hasToken(t){const e=this.index;return e<this.tokens.length&&this.tokens[e].type===t}hasLiteral(t){const e=this.index;return e<this.tokens.length&&"literal"===this.tokens[e].type&&(!t||this.tokens[e].value===t)}hasLiteralPattern(t){return this.hasToken("literal")&&t.test(this.tokens[this.index].value)}hasCommand(t){const e=this.index;return e<this.tokens.length&&"command"===this.tokens[e].type&&this.tokens[e].value===t}hasInfixCommand(){const t=this.index;if(t<this.tokens.length&&"command"===this.tokens[t].type){const e=wt.getInfo("\\"+this.tokens[t].value,this.parseMode,this.macros);return e&&e.infix}return!1}hasColumnSeparator(){const t=this.index;return!!(this.tabularMode&&t<this.tokens.length)&&"literal"===this.tokens[t].type&&"&"===this.tokens[t].value}hasRowSeparator(){const t=this.index;return!!(this.tabularMode&&t<this.tokens.length)&&"command"===this.tokens[t].type&&("\\"===this.tokens[t].value||"cr"===this.tokens[t].value)}parseColumnSeparator(){return!!this.hasColumnSeparator()&&(this.index++,!0)}placeholder(){if(this.args&&"string"==typeof this.args["?"])return re(n(this.args["?"]),this.parseMode,null,this.macros);const t=new oe(this.parseMode,"placeholder","?",this.style);return t.captureSelection=!0,[t]}hasImplicitCommand(t){if(this.index<this.tokens.length){const e=this.tokens[this.index];if("command"===e.type)return t.includes(e.value)}return!1}parseRowSeparator(){return!!this.hasRowSeparator()&&(this.index++,!0)}parseToken(t){return!!this.hasToken(t)&&(this.index++,!0)}skipWhitespace(){let t=!1;for(;this.hasToken("space");)this.index++,t=!0;return t}skipUntilToken(t){for(;!this.end()&&!this.parseToken(t);)this.get()}parseCommand(t){return!!this.hasCommand(t)&&(this.index++,!0)}parseLiteral(t){return!!this.hasLiteral(t)&&(this.index++,!0)}parseFiller(){let t=!1,e=!1;do{const i=this.skipWhitespace(),s=this.parseCommand("relax");t=t||i||s,e=!i&&!s}while(!e);return t}parseKeyword(t){const e=this.index;let i=this.end(),s="";for(;!i;){const e=this.get();"literal"===e.type&&(s+=e.value),i=this.end()||"literal"!==e.type||s.length>=t.length}const a=t.toUpperCase()===s.toUpperCase();return a||(this.index=e),a}scanString(){let t="",e=this.end();for(;!e;){if(this.hasLiteral("]"))e=!0;else if(this.hasToken("literal"))t+=this.get().value;else if(this.skipWhitespace())t+=" ";else if(this.hasToken("command")){const e=this.get();"space"===e.value?t+=" ":t+=e.value}else e=!0;e=e||this.end()}return t}scanColor(){return ee(this.scanString())}scanNumber(t){const e=this.parseLiteral("-");e||this.parseLiteral("+"),this.skipWhitespace(),t=!!t;let i=10,s=/[0-9]/;this.parseLiteral("'")?(i=8,s=/[0-7]/,t=!0):(this.parseLiteral('"')||this.parseLiteral("x"))&&(i=16,s=/[0-9A-F]/,t=!0);let a="";for(;this.hasLiteralPattern(s);)a+=this.get().value;if(!t&&(this.parseLiteral(".")||this.parseLiteral(",")))for(a+=".";this.hasLiteralPattern(s);)a+=this.get().value;const o=t?parseInt(a,i):parseFloat(a);return e?-o:o}scanDimen(){const t=this.scanNumber(!1);let e;return this.skipWhitespace(),e=this.parseKeyword("pt")?m.toEm(t,"pt"):this.parseKeyword("mm")?m.toEm(t,"mm"):this.parseKeyword("cm")?m.toEm(t,"cm"):this.parseKeyword("ex")?m.toEm(t,"ex"):this.parseKeyword("px")?m.toEm(t,"px"):this.parseKeyword("em")?m.toEm(t,"em"):this.parseKeyword("bp")?m.toEm(t,"bp"):this.parseKeyword("dd")?m.toEm(t,"dd"):this.parseKeyword("pc")?m.toEm(t,"pc"):this.parseKeyword("in")?m.toEm(t,"in"):this.parseKeyword("mu")?m.toEm(t,"mu"):m.toEm(t,"pt"),e}scanSkip(){const t=this.scanDimen();return this.skipWhitespace(),this.parseKeyword("plus")&&this.scanDimen(),this.skipWhitespace(),this.parseKeyword("minus")&&this.scanDimen(),t}scanColspec(){this.skipWhitespace();const t=[];for(;!this.end()&&!this.hasToken("}")&&!this.hasLiteral("]");)if(this.hasLiteral()){const e=this.get().value;if("lcr".includes(e))t.push({align:e});else if("|"===e)t.push({rule:!0});else if("@"===e){if(this.parseToken("{")){const e=this.swapParseMode("math");t.push({gap:this.scanImplicitGroup(t=>"}"===t.type)}),this.swapParseMode(e)}this.parseToken("}")}}return t}scanModeSet(){let t;if(this.parseCommand("(")&&(t=")"),!t&&this.parseCommand("[")&&(t="]"),!t)return null;const e=this.swapParseMode("math"),i=new oe("math","group");return i.mathstyle=")"===t?"textstyle":"displaystyle",i.body=this.scanImplicitGroup(e=>"command"===e.type&&e.value===t),this.parseCommand(t),this.swapParseMode(e),i.body&&0!==i.body.length?i:null}scanModeShift(){if(!this.hasToken("$")&&!this.hasToken("$$"))return null;const t=this.get().type,e=new oe("math","group");e.mathstyle="$"===t?"textstyle":"displaystyle",e.latexOpen="textstyle"===e.mathstyle?"$":"$$",e.latexClose=e.latexOpen;const i=this.swapParseMode("math");return e.body=this.scanImplicitGroup(e=>e.type===t),this.parseToken(t),this.swapParseMode(i),e.body&&0!==e.body.length?e:null}scanEnvironment(){if(!this.parseCommand("begin"))return null;const t=this.scanArg("string"),e=wt.getEnvironmentInfo(t),i=[];if(e&&e.params)for(const t of e.params)if(t.optional){const e=this.scanOptionalArg(t.type);i.push(e)}else i.push(this.scanArg(t.type));const s=this.parseMode,a=this.tabularMode,o=this.swapMathList([]);this.tabularMode=e.tabular;const n=[],r=[];let l=[],c=!1;do{if(c=this.end(),!c&&this.parseCommand("end")&&(c=this.scanArg("string")===t),!c)if(this.parseColumnSeparator())l.push(this.swapMathList([]));else if(this.parseRowSeparator()){l.push(this.swapMathList([]));let t=0;this.skipWhitespace(),this.parseLiteral("[")&&(t=this.scanDimen(),this.skipWhitespace(),this.parseLiteral("]")),r.push(t||0),n.push(l),l=[]}else this.mathList=this.mathList.concat(this.scanImplicitGroup())}while(!c);l.push(this.swapMathList([])),l.length>0&&n.push(l);const h=this.swapMathList(o);if(this.parseMode=s,this.tabularMode=a,!e.tabular&&0===h.length)return null;if(e.tabular&&0===n.length)return null;const d=new oe(this.parseMode,"array",h,e.parser?e.parser(t,i,n):{});return d.array=n,d.rowGaps=r,d.env={...e},d.env.name=t,d}scanImplicitGroup(t){const e=this.style;t||(t=t=>"}"===t.type||"literal"===t.type&&"&"===t.value||"command"===t.type&&/^(end|cr|\\)$/.test(t.value));let i=null,s=null;const a=this.swapMathList([]);for(;!this.end()&&!t(this.peek());)if(this.hasImplicitCommand(["displaystyle","textstyle","scriptstyle","scriptscriptstyle"])){this.parseMode="math";const t=new oe("math","mathstyle");t.mathstyle=this.get().value,this.mathList.push(t)}else this.hasInfixCommand()&&!i?(i=this.get(),s=this.swapMathList([])):this.parseAtom();let o;if(i){const t=this.swapMathList(a),e=wt.getInfo("\\"+i.value,"math",this.macros);o=e?[new oe(this.parseMode,e.type,e.value||i.value,e.parse?e.parse("\\"+i.value,[s,t]):null)]:[new oe(this.parseMode,"mop",i.value)]}else o=this.swapMathList(a);return this.style=e,o}scanGroup(){if(!this.parseToken("{"))return null;const t=new oe(this.parseMode,"group");return t.body=this.scanImplicitGroup(t=>"}"===t.type),this.parseToken("}"),t.latexOpen="{",t.latexClose="}",t}scanSmartFence(){if(this.skipWhitespace(),!this.parseLiteral("("))return null;const t=new oe(this.parseMode,"leftright");t.leftDelim="(",t.inner=!1;const e=this.swapMathList([]);let i=1;for(;!this.end()&&0!==i;)this.hasLiteral("(")&&(i+=1),this.hasLiteral(")")&&(i-=1),0!==i&&this.parseAtom();return 0===i&&this.parseLiteral(")"),t.rightDelim=0===i?")":"?",t.body=this.swapMathList(e),t}scanDelim(){this.skipWhitespace();const t=this.get();if(!t)return null;let e=".";"command"===t.type?e="\\"+t.value:"literal"===t.type&&(e=t.value);const i=wt.getInfo(e,"math",this.macros);return i?"mopen"===i.type||"mclose"===i.type?e:/^(\?|\||<|>|\\vert|\\Vert|\\\||\\surd|\\uparrow|\\downarrow|\\Uparrow|\\Downarrow|\\updownarrow|\\Updownarrow|\\mid|\\mvert|\\mVert)$/.test(e)?e:null:null}scanLeftRight(){if(this.parseCommand("right")||this.parseCommand("mright"))return null;const t=this.style;let e="right";if(!this.parseCommand("left")){if(!this.parseCommand("mleft"))return null;e="mright"}const i=this.scanDelim();if(!i)return null;const s=this.swapMathList([]);for(;!this.end()&&!this.parseCommand(e);)this.parseAtom();this.style=t;const a=this.scanDelim(),o=new oe(this.parseMode,"leftright");return o.leftDelim=i,o.rightDelim=a,o.inner="right"===e,o.body=this.swapMathList(s),o}parseSupSub(){if("math"!==this.parseMode)return!1;let t=!1;for(;this.hasLiteral("^")||this.hasLiteral("_")||this.hasLiteral("'");){let e;if(this.hasLiteral("^")?e="superscript":this.hasLiteral("_")&&(e="subscript"),this.parseLiteral("^")||this.parseLiteral("_")){const i=this.scanArg();if(i){const s=this.lastMathAtom();s[e]=s[e]||[],s[e]=s[e].concat(i),t=!0}}else if(this.parseLiteral("'")){const e=this.lastMathAtom();e.superscript=e.superscript||[],e.superscript.push(new oe(e.parseMode,"mord","′")),t=!0}}return t}parseLimits(){if(this.parseCommand("limits")){const t=this.lastMathAtom();return t.limits="limits",t.explicitLimits=!0,!0}if(this.parseCommand("nolimits")){const t=this.lastMathAtom();return t.limits="nolimits",t.explicitLimits=!0,!0}return!1}scanOptionalArg(t){if(t=t&&"auto"!==t?t:this.parseMode,this.skipWhitespace(),!this.parseLiteral("["))return null;const e=this.parseMode;this.parseMode=t;const i=this.swapMathList();let s;for(;!this.end()&&!this.parseLiteral("]");)if("string"===t)s=this.scanString();else if("number"===t)s=this.scanNumber();else if("dimen"===t)s=this.scanDimen();else if("skip"===t)s=this.scanSkip();else if("colspec"===t)s=this.scanColspec();else if("color"===t)s=this.scanColor()||"#ffffff";else if("bbox"===t){const t=this.scanString().toLowerCase().trim().split(/,(?![^(]*\)(?:(?:[^(]*\)){2})*[^"]*$)/);for(const e of t){const t=ee(e);if(t)s=s||{},s.backgroundcolor=t;else{const t=e.match(/^\s*([0-9.]+)\s*([a-z][a-z])/);if(t)s=s||{},s.padding=m.toEm(t[1],t[2]);else{const t=e.match(/^\s*border\s*:\s*(.*)/);t&&(s=s||{},s.border=t[1])}}}}else this.mathList=this.mathList.concat(this.scanImplicitGroup(t=>"literal"===t.type&&"]"===t.value));this.parseMode=e;const a=this.swapMathList(i);return s||a}scanArg(t){let e;if(t=t&&"auto"!==t?t:this.parseMode,this.parseFiller(),!this.parseToken("{")){if("delim"===t)return this.scanDelim()||".";if(/^(math|text)$/.test(t)){const e=this.parseMode;this.parseMode=t;const i=this.scanToken();return this.parseMode=e,Array.isArray(i)?i:i?[i]:null}}if(this.hasToken("#")){const t=this.get();return this.skipUntilToken("}"),"?"===t.value?this.placeholder():this.args?void 0===this.args[t.value]&&void 0!==this.args["?"]?this.placeholder():this.args[t.value]||null:null}const i=this.parseMode;this.parseMode=t;const s=this.swapMathList([]);if("string"===t)e=this.scanString(),this.skipUntilToken("}");else if("number"===t)e=this.scanNumber(),this.skipUntilToken("}");else if("dimen"===t)e=this.scanDimen(),this.skipUntilToken("}");else if("skip"===t)e=this.scanSkip(),this.skipUntilToken("}");else if("colspec"===t)e=this.scanColspec(),this.skipUntilToken("}");else if("color"===t)e=this.scanColor()||"#ffffff",this.skipUntilToken("}");else if("delim"===t)e=this.scanDelim()||".",this.skipUntilToken("}");else do{this.mathList=this.mathList.concat(this.scanImplicitGroup())}while(!this.parseToken("}")&&!this.end());this.parseMode=i;const a=this.swapMathList(s);return e||a}scanToken(){const t=this.get();if(!t)return null;let e=null;if("space"===t.type)"text"===this.parseMode&&(e=new oe("text",""," ",this.style));else if("placeholder"===t.type)e=new oe(this.parseMode,"placeholder",t.value),e.captureSelection=!0;else if("command"===t.type){if("placeholder"===t.value)e=new oe(this.parseMode,"placeholder",this.scanArg("string"),this.style),e.captureSelection=!0;else if("char"===t.value){let t=Math.floor(this.scanNumber(!0));(!isFinite(t)||t<0||t>1114111)&&(t=10067),e=new oe(this.parseMode,"math"===this.parseMode?"mord":"",String.fromCodePoint(t)),e.latex='{\\char"'+("000000"+t.toString(16)).toUpperCase().substr(-6)+"}"}else if("hskip"===t.value||"kern"===t.value){const i=this.scanSkip();isFinite(i)&&(e=new oe(this.parseMode,"spacing",null,this.style),e.width=i),e.latex="\\"+t.value}else if(e=this.scanMacro(t.value),!e){const i=wt.getInfo("\\"+t.value,this.parseMode,this.macros),s=[];let a="",o="";if(i&&i.params)for(const t of i.params)if(t.optional){const e=this.scanOptionalArg(t.type);s.push(e)}else if(t.type.endsWith("*"))o=t.type.slice(0,-1);else{const e=this.scanArg(t.type);if(e&&1===e.length&&"placeholder"===e[0].type&&t.placeholder&&(e[0].value=t.placeholder),e)s.push(e);else if(t.placeholder){const e=new oe(this.parseMode,"placeholder",t.placeholder);e.captureSelection=!0,s.push([e])}else s.push(this.placeholder());"math"!==t.type&&"string"==typeof e&&(a+=e)}if(i&&!i.infix){if(i.parse){const a=i.parse("\\"+t.value,s);if(a.type)e=new 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s=this.path[this.path.length-1].relation;i||(i=s);const a=this.parent();if(!a&&"body"!==i)return!1;const o=i.startsWith("cell");if(!o&&!a[i]||o&&!a.array)return!1;const n=i!==s;this.path[this.path.length-1].relation=i;const r=this.siblings().length;this.path[this.path.length-1].relation=s;const l=this.extent;"end"===e?e=r-t-1:"start"===e&&(e=-t),this.setExtent(e);const c=this.extent!==l;this.setExtent(l),t<0&&(t=r+t),t=Math.max(0,Math.min(t,r-1));const h=this.path[this.path.length-1].offset;return(n||h!==t||c)&&(n&&this.adjustPlaceholder(),this.selectionWillChange(),this.path[this.path.length-1].relation=i,this.path[this.path.length-1].offset=t,this.setExtent(e),this.selectionDidChange()),!0},ke.prototype.next=function(t){t=t||{};const e={body:"numer",numer:"denom",denom:"index",index:"overscript",overscript:"underscript",underscript:"subscript",subscript:"superscript"};if(this.anchorOffset()===this.siblings().length-1){this.adjustPlaceholder();let i=e[this.relation()];const s=this.parent();for(;i&&!s[i];)i=e[i];if(i)return void this.setSelection(0,0,i);if(this.parent().array){const t=Me(this.parent().array);let e=parseInt(this.relation().match(/cell([0-9]*)$/)[1])+1;for(;e<t;){if(Ae(this.parent().array,e)&&this.setSelection(0,0,"cell"+e))return void this.selectionDidChange();e+=1}}if(1===this.path.length)(this.suppressChangeNotifications||!this.config.onMoveOutOf||this.config.onMoveOutOf(this,"forward"))&&(this.path[0].offset=0);else{const e=!t.iterateAll&&this.parent().skipBoundary;this.path.pop(),e&&this.next(t)}return void this.selectionDidChange()}this.setSelection(this.anchorOffset()+1);const i=this.anchor();if(i&&!i.captureSelection){let s;if(i.array){let t=0;s="";const e=Me(i.array);for(;!s&&t<e;)Ae(i.array,t)&&(s="cell"+t.toString()),t+=1;return this.path.push({relation:s,offset:0}),void this.setSelection(0,0,s)}for(s="body";s;){if(Array.isArray(i[s]))return this.path.push({relation:s,offset:0}),this.insertFirstAtom(),void(!t.iterateAll&&i.skipBoundary&&this.next(t));s=e[s]}}},ke.prototype.previous=function(t){const e={numer:"body",denom:"numer",index:"denom",overscript:"index",underscript:"overscript",subscript:"underscript",superscript:"subscript"};if(!(t=t||{}).iterateAll&&1===this.anchorOffset()&&this.parent()&&this.parent().skipBoundary&&this.setSelection(0),this.anchorOffset()<1){let t=e[this.relation()];for(;t&&!this.setSelection(-1,0,t);)t=e[t];const i=this.parent()?this.parent().type:"none";if("body"!==t||"msubsup"!==i&&"mop"!==i||(t=null),t)return;if(this.adjustPlaceholder(),this.selectionWillChange(),this.relation().startsWith("cell")){let t=parseInt(this.relation().match(/cell([0-9]*)$/)[1])-1;for(;t>=0;){if(Ae(this.parent().array,t)&&this.setSelection(-1,0,"cell"+t))return void this.selectionDidChange();t-=1}}return 1===this.path.length?(this.suppressChangeNotifications||!this.config.onMoveOutOf||this.config.onMoveOutOf.bind(this)(-1))&&(this.path[0].offset=this.root.body.length-1):(this.path.pop(),this.setSelection(this.anchorOffset()-1)),void this.selectionDidChange()}const i=this.anchor();if(!i.captureSelection){let t;if(i.array){t="";const e=Me(i.array);let s=e-1;for(;!t&&s<e;)Ae(i.array,s)&&(t="cell"+s.toString()),s-=1;return s+=1,this.path.push({relation:t,offset:Ae(i.array,s).length-1}),void this.setSelection(-1,0,t)}for(t="superscript";t;){if(Array.isArray(i[t]))return this.path.push({relation:t,offset:i[t].length-1}),void this.setSelection(-1,0,t);t=e[t]}}this.setSelection(this.anchorOffset()-1),!t.iterateAll&&this.sibling(0)&&this.sibling(0).skipBoundary&&this.previous(t)},ke.prototype.move=function(t,e){const i=(e=e||{extend:!1}).extend||!1;if(this.removeSuggestion(),i)this.extend(t,e);else{const e=ve(this);if(t>0)for(this.collapseForward()&&t--;t>0;)this.next(),t--;else if(t<0)for(this.collapseBackward()&&t++;0!==t;)this.previous(),t++;this._announce("move",e)}},ke.prototype.up=function(t){const e=(t=t||{extend:!1}).extend||!1;this.collapseBackward();const i=this.relation();if("denom"===i)e?(this.selectionWillChange(),this.path.pop(),this.path[this.path.length-1].offset-=1,this.setExtent(1),this.selectionDidChange()):this.setSelection(this.anchorOffset(),0,"numer"),this._announce("moveUp");else if(this.parent().array){let e=Se(this.parent().array,i);e=_e(this.parent().array,e,-1),e&&Ae(e)?(this.path[this.path.length-1].relation="cell"+we(this.parent().array,e),this.setSelection(this.anchorOffset()),this._announce("moveUp")):this.move(-1,t)}else this._announce("line")},ke.prototype.down=function(t){const e=(t=t||{extend:!1}).extend||!1;this.collapseForward();const i=this.relation();if("numer"===i)e?(this.selectionWillChange(),this.path.pop(),this.path[this.path.length-1].offset-=1,this.setExtent(1),this.selectionDidChange()):this.setSelection(this.anchorOffset(),0,"denom"),this._announce("moveDown");else if(this.parent().array){let e=Se(this.parent().array,i);e=_e(this.parent().array,e,1),e&&Ae(e)?(this.path[this.path.length-1].relation="cell"+we(this.parent().array,e),this.setSelection(this.anchorOffset()),this._announce("moveDown")):this.move(1,t)}else this._announce("line")},ke.prototype.extend=function(t){let e=this.path[this.path.length-1].offset,i=0;const s=ve(this);i=this.extent+t;const a=e+i;if(a<0&&0!==i){if(this.path.length>1)return this.selectionWillChange(),this.path.pop(),this.setExtent(-1),this.selectionDidChange(),void this._announce("move",s);e=this.path[this.path.length-1].offset,i=this.extent}else if(a>=this.siblings().length){if(this.path.length>1)return this.selectionWillChange(),this.path.pop(),this.path[this.path.length-1].offset-=1,this.setExtent(1),this.selectionDidChange(),void this._announce("move",s);this.isCollapsed()&&(e-=1),i-=1}this.setSelection(e,i),this._announce("move",s)},ke.prototype.skip=function(t,e){const i=(e=e||{extend:!1}).extend||!1;t=t<0?-1:1;const s=ve(this),a=this.siblings(),o=this.focusOffset();let n=o+t;if(i&&(n=Math.min(Math.max(0,n),a.length-1)),n<0||n>=a.length)this.move(t,e);else{if(a[n]&&"text"===a[n].mode){if(n=this.wordBoundaryOffset(n,t),n<0&&!i)return void this.setSelection(0);if(n>a.length)return this.setSelection(a.length-1),void this.move(t,e)}else{const e=a[n]?a[n].type:"";if("mopen"===e&&t>0||"mclose"===e&&t<0){let i="mopen"===e?1:-1;for(n+=t>0?1:-1;n>=0&&n<a.length&&0!==i;)"mopen"===a[n].type?i+=1:"mclose"===a[n].type&&(i-=1),n+=t;0!==i&&(n=o+t),t>0&&(n-=1)}else{for(;a[n]&&"math"===a[n].mode&&a[n].type===e;)n+=t;n-=t>0?1:0}}if(i){const t=this.anchorOffset();this.setSelection(t,n-t)}else this.setSelection(n);this._announce("move",s)}},ke.prototype.jump=function(t,e){const i=(e=e||{extend:!1}).extend||!1;t=t<0?-1:1;const s=this.siblings();let a=this.focusOffset();t>0&&(a=Math.min(a+1,s.length-1));const o=t<0?0:s.length-1;i?this.extend(o-a):this.move(o-a)},ke.prototype.jumpToMathFieldBoundary=function(t,e){const i=(e=e||{extend:!1}).extend||!1;t=(t=t||1)<0?-1:1;const s=ve(this),a=[{relation:"body",offset:this.path[0].offset}];let o;i?t<0?a[0].offset>0&&(o=-a[0].offset):a[0].offset<this.siblings().length-1&&(o=this.siblings().length-1-a[0].offset):(a[0].offset=t<0?0:this.root.body.length-1,o=0),this.setPath(a,o),this._announce("move",s)},ke.prototype.leap=function(t,e){t=(t=t||1)<0?-1:1,e=e||!0;const i=this.suppressChangeNotifications;this.suppressChangeNotifications=!0;const s=ve(this),a=this.extent;this.move(t),"placeholder"===this.anchor().type&&this.move(t);const o=this.filter((t,e)=>"placeholder"===e.type||t.length>1&&1===this.siblings().length,t);if(0===o.length){if(this.setPath(s,a),e)if(this.config.onTabOutOf)this.config.onTabOutOf(this.target,t>0?"forward":"backward");else if(document.activeElement){const e='a[href]:not([disabled]),\n                    button:not([disabled]),\n                    textarea:not([disabled]),\n                    input[type=text]:not([disabled]),\n                    select:not([disabled]),\n                    [contentEditable="true"],\n                    [tabindex]:not([disabled]):not([tabindex="-1"])',i=Array.prototype.filter.call(document.querySelectorAll(e),t=>(t.offsetWidth>0||t.offsetHeight>0)&&!t.contains(document.activeElement)||t===document.activeElement);let s=i.indexOf(document.activeElement)+t;s<0&&(s=i.length-1),s>=i.length&&(s=0),i[s].focus()}return this.suppressChangeNotifications=i,!1}return this.selectionWillChange(),this.setPath(o[0]),"placeholder"===this.anchor().type&&this.setExtent(-1),this._announce("move",s),this.selectionDidChange(),this.suppressChangeNotifications=i,!0},ke.prototype.anchorMode=function(){const t=this.isCollapsed()?this.anchor():this.sibling(1);let e;if(t){if("commandliteral"===t.type||"command"===t.type)return"command";e=t.mode}let i=1,s=this.ancestor(i);for(;!e&&s;)s&&(e=s.mode),i+=1,s=this.ancestor(i);return e},ke.prototype.anchorStyle=function(){const t=this.isCollapsed()?this.anchor():this.sibling(1);let e;if(t&&"first"!==t.type){if("commandliteral"===t.type||"command"===t.type)return{};e={color:t.color,backgroundColor:t.backgroundColor,fontFamily:t.fontFamily,fontShape:t.fontShape,fontSeries:t.fontSeries,fontSize:t.fontSize}}let i=1,s=this.ancestor(i);for(;!e&&s;)s&&(e={color:s.color,backgroundColor:s.backgroundColor,fontFamily:s.fontFamily,fontShape:s.fontShape,fontSeries:s.fontSeries,fontSize:s.fontSize}),i+=1,s=this.ancestor(i);return e},ke.prototype.simplifyParen=function(t){if(t&&this.config.removeExtraneousParentheses){for(let e=0;t[e];e++)if("leftright"===t[e].type&&"("===t[e].leftDelim&&Array.isArray(t[e].body)){let i=0,s=0,a=0;for(let o=0;t[e].body[o];o++)"genfrac"===t[e].body[o].type&&(i++,s=o),"first"!==t[e].body[o].type&&a++;0===a&&1===i&&(t[e]=t[e].body[s])}t.forEach(t=>{if("genfrac"===t.type&&(this.simplifyParen(t.numer),this.simplifyParen(t.denom),t.numer=Fe(t.numer),t.denom=Fe(t.denom)),t.superscript&&(this.simplifyParen(t.superscript),t.superscript=Fe(t.superscript)),t.subscript&&(this.simplifyParen(t.subscript),t.subscript=Fe(t.subscript)),t.underscript&&(this.simplifyParen(t.underscript),t.underscript=Fe(t.underscript)),t.overscript&&(this.simplifyParen(t.overscript),t.overscript=Fe(t.overscript)),t.index&&(this.simplifyParen(t.index),t.index=Fe(t.index)),"surd"===t.type?(this.simplifyParen(t.body),t.body=Fe(t.body)):t.body&&Array.isArray(t.body)&&this.simplifyParen(t.body),t.array)for(let e=Me(t.array);e>=0;e--)this.simplifyParen(Ae(t.array,e))})}},ke.prototype.insert=function(t,e){if((e=e||{}).smartFence&&this._insertSmartFence(t,e.style))return;const i=this.suppressChangeNotifications;e.suppressChangeNotifications&&(this.suppressChangeNotifications=!0),this.contentWillChange();const s=this.suppressChangeNotifications;this.suppressChangeNotifications=!0,e.insertionMode||(e.insertionMode="replaceSelection"),e.selectionMode||(e.selectionMode="placeholder"),e.format||(e.format="auto"),e.macros=e.macros||this.config.macros;const a=e.mode||this.anchorMode();let o;const r=[this.getSelectedAtoms()];void 0!==e.placeholder&&(r["?"]=e.placeholder),"replaceSelection"!==e.insertionMode||this.isCollapsed()?"replaceAll"===e.insertionMode?(this.root.body.splice(1),this.path=[{relation:"body",offset:0}],this.extent=0):"insertBefore"===e.insertionMode?this.collapseBackward():"insertAfter"===e.insertionMode&&this.collapseForward():this.delete_();const l=this.siblings(),c=this.startOffset();if(c+1<l.length&&l[c+1]&&"placeholder"===l[c+1].type?this.delete_(1):c>0&&l[c]&&"placeholder"===l[c].type&&this.delete_(-1),"math"===a&&"ASCIIMath"===e.format)t=De(t,{...this.config,format:"ASCIIMath"}),o=le.parseTokens(n(t),"math",null,e.macros,!1),this.simplifyParen(o);else if("text"!==a&&"auto"===e.format)if("command"===a){o=[];for(const e of t)wt.COMMAND_MODE_CHARACTERS.test(e)&&o.push(new Yt.MathAtom("command","command",e))}else""===t?o=[new Yt.MathAtom("command","command","\\")]:(t=De(t,this.config),r[0]?t=t.replace(/(^|[^\\])#@/g,"$1#0"):/(^|[^\\])#@/.test(t)?(t=t.replace(/(^|[^\\])#@/g,"$1#0"),r[0]=this.extractArgBeforeInsertionPoint(),this._deleteAtoms(-r[0].length),Array.isArray(r[0])&&0===r[0].length&&(r[0]=void 0)):t=t.replace(/(^|[^\\])#@/g,"$1#?"),o=le.parseTokens(n(t),a,r,e.macros,e.smartFence),this.simplifyParen(o));else"latex"===e.format?o=le.parseTokens(n(t),a,r,e.macros,e.smartFence):"text"!==a&&"text"!==e.format||(t=(t=(t=(t=(t=(t=(t=(t=(t=(t=(t=t.replace(/\\/g,"\\textbackslash ")).replace(/#/g,"\\#")).replace(/\$/g,"\\$")).replace(/%/g,"\\%")).replace(/&/g,"\\&")).replace(/_/g,"\\_")).replace(/{/g,"\\textbraceleft ")).replace(/}/g,"\\textbraceright ")).replace(/\^/g,"\\textasciicircum ")).replace(/~/g,"\\textasciitilde ")).replace(/£/g,"\\textsterling "),o=le.parseTokens(n(t),"text",r,e.macros,!1));!function t(e,i){e&&i&&(Array.isArray(e)?e.forEach(e=>t(e,i)):"object"==typeof e&&(e.color||e.backgroundColor||e.fontFamily||e.fontShape||e.fontSeries||e.fontSize||(e.applyStyle(i),t(e.body,i),t(e.numer,i),t(e.denom,i),t(e.index,i),t(e.overscript,i),t(e.underscript,i),t(e.subscript,i),t(e.superscript,i))))}(o,e.style);const h=this.parent();if(this.config.removeExtraneousParentheses&&h&&"leftright"===h.type&&"("===h.leftDelim&&function(t){return 0===t.length||1===t.length&&"first"===t[0].type}(h.body)&&o&&1===o.length&&"genfrac"===o[0].type?(this.path.pop(),this.siblings()[this.anchorOffset()]=o[0]):Array.prototype.splice.apply(this.siblings(),[this.anchorOffset()+1,0].concat(o)),this.insertFirstAtom(),this.suppressChangeNotifications=s,"placeholder"===e.selectionMode){let t=[];for(const e of o)t=t.concat(e.filter(t=>"placeholder"===t.type));0!==t.length&&this.leap(1,!1)?this._announce("move"):this.setSelection(this.anchorOffset()+o.length)}else"before"===e.selectionMode||("after"===e.selectionMode?this.setSelection(this.anchorOffset()+o.length):"item"===e.selectionMode&&this.setSelection(this.anchorOffset(),o.length));this.contentDidChange(),this.suppressChangeNotifications=i},ke.prototype._insertSmartFence=function(t,e){const i=this.parent();if("leftright"===i.type&&"|"!==i.leftDelim&&/\||\\vert|\\Vert|\\mvert|\\mid/.test(t))return this.insert("\\,\\middle"+t+"\\, ",{mode:"math",format:"latex",style:e}),!0;"{"!==t&&"\\{"!==t||(t="\\lbrace"),"}"!==t&&"\\}"!==t||(t="\\rbrace"),"["!==t&&"\\["!==t||(t="\\lbrack"),"]"!==t&&"\\]"!==t||(t="\\rbrack");const s=wt.RIGHT_DELIM[t];if(s&&("leftright"!==i.type||"|"!==i.leftDelim)){let i="";const a=this.isCollapsed()||"placeholder"===this.anchor().type;i=this.sibling(0).isFunction?"\\mleft"+t+"\\mright":"\\left"+t+"\\right",i+=a?"?":s;let o=[];return a&&(o=this.siblings().splice(this.anchorOffset()+1,this.siblings().length)),this.insert(i,{mode:"math",format:"latex",style:e}),a&&(this.sibling(0).body=o,this.move(-1)),!0}let a;if(Object.keys(wt.RIGHT_DELIM).forEach(e=>{t===wt.RIGHT_DELIM[e]&&(a=e)}),a){if(i&&"leftright"===i.type&&this.endOffset()===this.siblings().length-1)return this.contentWillChange(),i.rightDelim=t,this.move(1),this.contentDidChange(),!0;const s=this.siblings();let a;for(a=this.endOffset();a>=0&&("leftright"!==s[a].type||"?"!==s[a].rightDelim);a--);if(a>=0)return this.contentWillChange(),s[a].rightDelim=t,s[a].body=s[a].body.concat(s.slice(a+1,this.endOffset()+1)),s.splice(a+1,this.endOffset()-a),this.setSelection(a),this.contentDidChange(),!0;if(i&&"leftright"===i.type&&"?"===i.rightDelim){this.contentWillChange(),i.rightDelim=t;const e=s.slice(this.endOffset()+1);return s.splice(this.endOffset()+1),this.path.pop(),Array.prototype.splice.apply(this.siblings(),[this.endOffset()+1,0].concat(e)),this.contentDidChange(),!0}const o=this.ancestor(2);return o&&"leftright"===o.type&&"?"===o.rightDelim&&this.endOffset()===s.length-1?(this.move(1),this._insertSmartFence(t,e)):(this.insert(t,{mode:"math",format:"latex",style:e}),!0)}return!1},ke.prototype.positionInsertionPointAfterCommitedCommand=function(){const t=this.siblings(),e=this.commandOffsets();let i=e.start;for(;i<e.end&&!t[i].suggestion;)i++;this.setSelection(i-1)},ke.prototype.removeSuggestion=function(){const t=this.siblings();for(let e=t.length-1;e>=0;e--)t[e].suggestion&&t.splice(e,1)},ke.prototype.insertSuggestion=function(t,e){this.removeSuggestion();const i=[],s=t.substr(e);for(const t of s){const e=new Yt.MathAtom("command","command",t);e.suggestion=!0,i.push(e)}Array.prototype.splice.apply(this.siblings(),[this.anchorOffset()+1,0].concat(i))},ke.prototype._deleteAtoms=function(t){t>0?this.siblings().splice(this.anchorOffset()+1,t):(this.siblings().splice(this.anchorOffset()+t+1,-t),this.setSelection(this.anchorOffset()+t))},ke.prototype.delete=function(t){if(0===(t=t||0))this.delete_(0);else if(t>0)for(;t>0;)this.delete_(1),t--;else for(;t<0;)this.delete_(-1),t++},ke.prototype.delete_=function(t){this.contentWillChange(),this.selectionWillChange();const e=this.suppressChangeNotifications;if(this.suppressChangeNotifications=!0,t=(t=t||0)<0?-1:t>0?1:t,this.removeSuggestion(),this.parent().array&&t<0&&0===this.startOffset()){const t=this.parent().array;if(function(t){const e={col:0,row:0};for(;e.row<t.length&&!Ae(t,e);)e.row+=1;return Ae(t,e)?"cell"+we(t,e):""}(t)===this.relation()){const e=function(t,e,i){e||(e=[";",","]);let s,a=[];for(const i of t)s?a.push(s):s=new Yt.MathAtom("math","mpunct",e[0],void 0),a=a.concat(Ce(i,e[1]));return a}(t);this.path.pop(),this.siblings().splice(this.anchorOffset(),1,...e),this.setSelection(this.anchorOffset()-1,e.length)}else{const e=Se(t,this.relation());if(0===e.col){const i=_e(t,e,-1);i.col=t[i.row].length-1,this.path[this.path.length-1].relation="cell"+we(t,i);const s=t[i.row][i.col].length,a=Ce(t[e.row]);t[i.row][i.col]=t[i.row][i.col].concat(a),this.setSelection(s-1,a.length),function(t,e){t.splice(e,1)}(t,e.row)}else if(0===function(t,e){let i=0;const s={col:e,row:0};for(;s.row<t.length;){const e=Ae(t,s);if(e&&e.length>0){let t=e.length;"first"===e[0].type&&(t-=1),t>0&&(i+=1)}s.row+=1}return i}(t,e.col)){!function(t,e){let i=0;for(;i<t.length;)t[i][e]&&t[i].splice(e,1),i+=1}(t,e.col),e.col-=1,this.path[this.path.length-1].relation="cell"+we(t,e);const i=t[e.row][e.col];this.setSelection(i.length-1,0)}}return this.suppressChangeNotifications=e,this.selectionDidChange(),void this.contentDidChange()}const i=this.siblings();if(this.isCollapsed()){const e=this.anchorOffset();if(t<0)if(0!==e){const t=this.sibling(0);"leftright"===t.type?(t.rightDelim="?",this.move(-1)):!t.captureSelection&&/^(group|array|genfrac|surd|leftright|overlap|overunder|box|mathstyle|sizing)$/.test(t.type)?this.move(-1):(this._announce("delete",null,i.slice(e,e+1)),i.splice(e,1),this.setSelection(e-1))}else{const t=this.relation();if("superscript"===t||"subscript"===t){const e=this.parent()[t].filter(t=>"placeholder"!==t.type&&"first"!==t.type);this.parent()[t]=null,this.path.pop(),Array.prototype.splice.apply(this.siblings(),[this.anchorOffset(),0].concat(e)),this.setSelection(this.anchorOffset()-1),this._announce("deleted: "+t)}else if("denom"===t){const t=this.parent().numer.filter(t=>"placeholder"!==t.type&&"first"!==t.type),e=this.parent().denom.filter(t=>"placeholder"!==t.type&&"first"!==t.type);this.path.pop(),Array.prototype.splice.apply(this.siblings(),[this.anchorOffset(),1].concat(e)),Array.prototype.splice.apply(this.siblings(),[this.anchorOffset(),0].concat(t)),this.setSelection(this.anchorOffset()+t.length-1),this._announce("deleted: denominator")}else if("body"===t){const t=this.siblings().filter(t=>"placeholder"!==t.type);this.path.length>1&&(t.shift(),this.path.pop(),Array.prototype.splice.apply(this.siblings(),[this.anchorOffset(),1].concat(t)),this.setSelection(this.anchorOffset()-1),this._announce("deleted: root"))}else 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":{label:"&Sigma;",insert:"\\Sigma "},"\\epsilon ":{label:"&#x0190;",insert:'{\\char"0190}'},"\\rho ":{label:"&#x3A1",insert:'{\\char"3A1}'},"\\tau ":{label:"&#x3A4;",insert:'{\\char"3A4}'},"\\upsilon ":{label:"&Upsilon;",insert:"\\Upsilon "},"\\theta ":{label:"&Theta;",insert:"\\Theta "},"\\iota ":{label:"&Iota;",insert:'{\\char"399}'},"\\omicron ":{label:"&#x039F;",insert:'{\\char"39F}'},"\\pi ":{label:"&Pi;",insert:"\\Pi "},"\\alpha ":{label:"&Alpha;",insert:'{\\char"391}'},"\\sigma ":{label:"&Sigma;",insert:"\\Sigma "},"\\delta ":{label:"&Delta;",insert:"\\Delta "},"\\phi ":{label:"&#x03a6;",insert:"\\Phi "},"\\gamma ":{label:"&Gamma;",insert:"\\Gamma "},"\\eta ":{label:"&Eta;",insert:'{\\char"397}'},"\\xi ":{label:"&Xi;",insert:"\\Xi "},"\\kappa ":{label:"&Kappa;",insert:'{\\char"39A}'},"\\lambda ":{label:"&Lambda;",insert:"\\Lambda "},"\\zeta ":{label:"&Zeta;",insert:'{\\char"396}'},"\\chi ":{label:"&Chi;",insert:'{\\char"3A7}'},"\\psi ":{label:"&Psi;",insert:"\\Psi "},"\\omega ":{label:"&Omega;",insert:"\\Omega "},"\\beta ":{label:"&Beta;",insert:'{\\char"392}'},"\\nu ":{label:"&Nu;",insert:'{\\char"39D}'},"\\mu ":{label:"&Mu;",insert:'{\\char"39C}'}},ti={0:["\\emptyset","\\varnothing","\\infty",{latex:"#?_0",insert:"#@_0"},"\\circ","\\bigcirc","\\bullet"],2:["\\frac{1}{2}",{latex:"#?^2",insert:"#@^2"}],3:["\\frac{1}{3}",{latex:"#?^3",insert:"#@^3"}],".":[",",";","\\colon",{latex:":",aside:"ratio"},{latex:"\\cdotp",aside:"center dot",classes:"box"},{latex:"\\cdots",aside:"center ellipsis",classes:"box"},{latex:"\\ldotp",aside:"low dot",classes:"box"},{latex:"\\ldots",aside:"low 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10^{#?}","\\ln","\\ln_{10}","\\log"],"^":["_{#?}"],int:[{latex:"\\int_{#?}^{#?}",classes:"small"},{latex:"\\int",classes:"small"},{latex:"\\smallint",classes:"small"},{latex:"\\iint",classes:"small"},{latex:"\\iiint",classes:"small"},{latex:"\\oint",classes:"small"},{latex:"\\dfrac{\\rd}{\\rd x}",classes:"small"},{latex:"\\frac{\\partial}{\\partial x}",classes:"small"},"\\capitalDifferentialD","\\rd","\\partial"],nabla:["\\nabla\\times","\\nabla\\cdot","\\nabla^{2}"],"!":["!!","\\Gamma","\\Pi"],accents:["\\bar{#@}","\\vec{#@}","\\hat{#@}","\\check{#@}","\\dot{#@}","\\ddot{#@}","\\mathring{#@}","\\breve{#@}","\\acute{#@}","\\tilde{#@}","\\grave{#@}"],A:[{latex:"\\aleph",aside:"aleph"},{latex:"\\forall",aside:"for all"}],a:[{latex:"\\aleph",aside:"aleph"},{latex:"\\forall",aside:"for all"}],b:[{latex:"\\beth",aside:"beth"}],B:[{latex:"\\beth",aside:"beth"}],c:[{latex:"\\C",aside:"set of complex numbers"}],d:[{latex:"\\daleth",aside:"daleth"}],D:[{latex:"\\daleth",aside:"daleth"}],e:[{latex:"\\exponentialE",aside:"exponential e"},{latex:"\\exists",aside:"there is"},{latex:"\\nexists",aside:"there isn’t"}],g:[{latex:"\\gimel",aside:"gimel"}],G:[{latex:"\\gimel",aside:"gimel"}],h:[{latex:"\\hbar",aside:"h bar"},{latex:"\\hslash",aside:"h slash"}],i:[{latex:"\\imaginaryI",aside:"imaginary i"}],j:[{latex:"\\imaginaryJ",aside:"imaginary j"}],l:[{latex:"\\ell",aside:"ell"}],n:[{latex:"\\N",aside:"set of natural numbers"}],p:[{latex:"\\P",aside:"set of primes"}],q:[{latex:"\\Q",aside:"set of rational numbers"}],r:[{latex:"\\R",aside:"set of real numbers"}],z:[{latex:"\\Z",aside:"set of integers"}],"x-var":["y","z","t","r",{latex:"f(#?)",classes:"small"},{latex:"g(#?)",classes:"small"},"x^2","x^n","x_n","x_{n+1}","x_i","x_{i+1}"],"n-var":["i","j","p","k","a","u"],ii:["\\Re","\\Im","\\imaginaryJ","\\Vert #0 \\Vert"],logic:[{latex:"\\exists",aside:"there is"},{latex:"\\nexists",aside:"there isn’t"},{latex:"\\ni",aside:"such that"},{latex:"\\Colon",aside:"such that"},{latex:"\\implies",aside:"implies"},{latex:"\\impliedby",aside:"implied by"},{latex:"\\iff",aside:"if and only if"},{latex:"\\land",aside:"and"},{latex:"\\lor",aside:"or"},{latex:"\\oplus",aside:"xor"},{latex:"\\lnot",aside:"not"},{latex:"\\downarrow",aside:"nor"},{latex:"\\uparrow",aside:"nand"},{latex:"\\curlywedge",aside:"nor"},{latex:"\\bar\\curlywedge",aside:"nand"},{latex:"\\therefore",aside:"therefore"},{latex:"\\because",aside:"because"},{latex:"^\\biconditional",aside:"biconditional"},"\\leftrightarrow","\\Leftrightarrow","\\to","\\models","\\vdash","\\gets","\\dashv","\\roundimplies"],"set-operators":["\\cap","\\cup","\\setminus","\\smallsetminus","\\complement"],"set-relations":["\\in","\\notin","\\ni","\\owns","\\subset","\\supset","\\subseteq","\\supseteq","\\subsetneq","\\supsetneq","\\varsubsetneq","\\subsetneqq","\\nsubset","\\nsupset","\\nsubseteq","\\nsupseteq"],space:[{latex:'\\char"203A\\!\\char"2039',insert:"\\!",aside:"negative thin space<br>⁻³⧸₁₈ em"},{latex:'\\unicode{"203A}\\,\\unicode{"2039}',insert:"\\,",aside:"thin space<br>³⧸₁₈ em"},{latex:'\\unicode{"203A}\\:\\unicode{"2039}',insert:"\\:",aside:"medium space<br>⁴⧸₁₈ em"},{latex:'\\unicode{"203A}\\;\\unicode{"2039}',insert:"\\;",aside:"thick space<br>⁵⧸₁₈ em"},{latex:'\\unicode{"203A}\\ \\unicode{"2039}',insert:"\\ ",aside:"⅓ em"},{latex:'\\unicode{"203A}\\enspace\\unicode{"2039}',insert:"\\enspace",aside:"½ em"},{latex:'\\unicode{"203A}\\quad\\unicode{"2039}',insert:"\\quad",aside:"1 em"},{latex:'\\unicode{"203A}\\qquad\\unicode{"2039}',insert:"\\qquad",aside:"2 em"}],delete:[{label:'<span class="warning"><svg><use xlink:href="#svg-trash" /></svg></span>',command:'"deleteAll"'}],"->|":[]};let ei={};const ii={math:"\n        <div class='rows'>\n            <ul>\n                <li class='keycap tex' data-alt-keys='x-var'><i>x</i></li>\n                <li class='keycap tex' data-alt-keys='n-var'><i>n</i></li>\n                <li class='separator w5'></li>\n                <row name='numpad-1'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-key='ee' data-alt-keys='ee'>e</li>\n                <li class='keycap tex' data-key='ii' data-alt-keys='ii'>i</li>\n                <li class='keycap tex' data-latex='\\pi' data-alt-keys='numeric-pi'></li>\n            </ul>\n            <ul>\n                <li class='keycap tex' data-key='<' data-alt-keys='<'>&lt;</li>\n                <li class='keycap tex' data-key='>' data-alt-keys='>'>&gt;</li>\n                <li class='separator w5'></li>\n                <row name='numpad-2'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='x2' data-insert='#@^{2}'><span><i>x</i>&thinsp;²</span></li>\n                <li class='keycap tex' data-alt-keys='^' data-insert='#@^{#?}'><span><i>x</i><sup>&thinsp;<small>&#x2b1a;</small></sup></span></li>\n                <li class='keycap tex' data-alt-keys='sqrt' data-insert='\\sqrt{#0}' data-latex='\\sqrt{#0}'></li>\n            </ul>\n            <ul>\n                <li class='keycap tex' data-alt-keys='(' >(</li>\n                <li class='keycap tex' data-alt-keys=')' >)</li>\n                <li class='separator w5'></li>\n                <row name='numpad-3'/>\n                <li class='separator w5'></li>\n                <li class='keycap tex small' data-alt-keys='int' data-latex='\\int_0^\\infty'><span></span></li>\n                <li class='keycap tex' data-latex='\\forall' data-alt-keys='logic' ></li>\n                <li class='action font-glyph bottom right' data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'>&#x232b;</li></ul>\n            </ul>\n            <ul>\n                <li class='keycap' data-alt-keys='foreground-color' data-command='[\"applyStyle\",{\"color\":\"#cc2428\"}]'><span style='border-radius: 50%;width:22px;height:22px; border: 3px solid #cc2428; box-sizing: border-box'></span></li>\n                <li class='keycap' data-alt-keys='background-color' data-command='[\"applyStyle\",{\"backgroundColor\":\"#fff590\"}]'><span style='border-radius: 50%;width:22px;height:22px; background:#fff590; box-sizing: border-box'></span></li>\n                <li class='separator w5'></li>\n                <row name='numpad-4'/>\n                <li class='separator w5'></li>\n                <arrows/>\n            </ul>\n        </div>\n    ","lower-roman":"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <row name='lower-1' shift-layer='upper-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <row name='lower-2'  shift-layer='upper-roman''/>\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <row name='lower-3'  shift-layer='upper-roman''/>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='symbols'>&infin;≠</li>\n                <li class='keycap' data-alt-keys=','>,</li>\n                <li class='keycap w50' data-key=' ' data-alt-keys='space'>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>","upper-roman":"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <row name='upper-1'  shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <row name='upper-2' shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <row name='upper-3' shift-layer='lower-roman'/>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='symbols'>&infin;≠</li>\n                <li class='keycap' data-alt-keys='.'>;</li>\n                <li class='keycap w50' data-key=' '>&nbsp;</li>\n                <arrows/>\n            </ul>\n        </div>",symbols:"\n        <div class='rows'>\n            <ul>\n                <row name='numpad-1' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\lbrace '>{</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rbrace '>}</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='set' data-insert='\\in '>&#x2208;</li>\n                <li class='keycap tex' data-alt-keys='!set' data-insert='\\notin '>&#x2209;</li>\n                <li class='keycap tex' data-insert='\\Re '>&#x211c;<aside>Real</aside></li>\n                <li class='keycap tex' data-insert='\\Im '>&#x2111;<aside>Imaginary</aside></li>\n                <li class='keycap w15' data-insert='\\ulcorner#0\\urcorner '><span><sup>&#x250c;</sup><span><span style='color:#ddd'>o</span><sup>&#x2510;</sup></span><aside>ceil</aside></li>\n                <li class='keycap tex' data-alt-keys='nabla' data-insert='\\nabla '>&#x2207;<aside>nabla</aside></li>\n                <li class='keycap tex' data-alt-keys='infinity' data-insert='\\infty '>&#x221e;</li>\n\n            </ul>\n            <ul>\n                <row name='numpad-2' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\lbrack '>[</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rbrack '>]</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-alt-keys='subset' data-insert='\\subset '>&#x2282;</li>\n                <li class='keycap tex' data-alt-keys='supset' data-insert='\\supset '>&#x2283;</li>\n                <li class='keycap tex' data-key='!' data-alt-keys='!'>!<aside>factorial</aside></li>\n                <li class='keycap' data-insert='^{\\prime} '><span><sup><span><span style='color:#ddd'>o</span>&#x2032</sup></span><aside>prime</aside></li>\n                <li class='keycap w15' data-insert='\\llcorner#0\\lrcorner '><span><sub>&#x2514;</sub><span style='color:#ddd'>o</span><sub>&#x2518;</sub></span><aside>floor</aside></li>\n                <li class='keycap tex' data-insert='\\partial '>&#x2202;<aside>partial<br>derivative</aside></li>\n                <li class='keycap tex' data-insert='\\emptyset '>&#x2205;<aside>empty set</aside></li>\n\n            </ul>\n            <ul>\n                <row name='numpad-3' class='if-wide'/>\n                <li class='keycap tex' data-alt-keys='(' data-insert='\\langle '>&#x27e8;</li>\n                <li class='keycap tex' data-alt-keys=')' data-insert='\\rangle '>&#x27e9;</li>\n                <li class='separator w5'></li>\n                <li class='keycap tex' data-insert='\\subseteq '>&#x2286;</li>\n                <li class='keycap tex' data-insert='\\supseteq '>&#x2287;</li>\n                <li class='keycap tex' data-alt-keys='accents' data-insert='\\vec{#@}' data-latex='\\vec{#?}' data-aside='vector'></li>\n                <li class='keycap tex' data-alt-keys='accents' data-insert='\\bar{#@}' data-latex='\\bar{#?}' data-aside='bar'></li>\n                <li class='keycap tex' data-alt-keys='absnorm' data-insert='\\lvert #@ \\rvert ' data-latex='\\lvert #? \\rvert' data-aside='abs'></li>\n                <li class='keycap tex' data-insert='\\ast '>&#x2217;<aside>asterisk</aside></li>\n\n                <li class='action font-glyph bottom right w15'\n                    data-shifted='<span class=\"warning\"><svg><use xlink:href=\"#svg-trash\" /></svg></span>'\n                    data-shifted-command='\"deleteAll\"'\n                    data-alt-keys='delete' data-command='[\"performWithFeedback\",\"deletePreviousChar\"]'\n                >&#x232b;</li>\n            </ul>\n            <ul>\n                <row name='numpad-4' class='if-wide'/>\n                <li class='layer-switch font-glyph modifier bottom left' data-layer='lower-roman'>abc</li>\n                <li class='keycap tex' data-insert='\\cdot '>&#x22c5;<aside>centered dot</aside></li>\n                <li class='keycap tex' data-insert='\\colon '>:<aside>colon</aside></li>\n                <li class='keycap tex' data-insert='\\circ '>&#x2218;<aside>circle</aside></li>\n                <li class='keycap tex' data-insert='\\approx '>&#x2248;<aside>approx.</aside></li>\n                <li class='keycap tex' data-insert='\\ne '>&#x2260;</li>\n                <li class='keycap tex' data-insert='\\pm '>&#x00b1;</li>\n                <arrows/>\n            </ul>\n        </div>","lower-greek":"\n        <div class='rows'>\n            <ul><li class='keycap tex' data-insert='\\varphi '><i>&#x03c6;</i><aside>phi var.</aside></li>\n                <li class='keycap tex' data-insert='\\varsigma '><i>&#x03c2;</i><aside>sigma var.</aside></li>\n                <li class='keycap tex' data-insert='\\epsilon '><i>&#x03f5;</i></li>\n                <li class='keycap tex' data-insert='\\rho '><i>&rho;</i></li>\n                <li class='keycap tex' data-insert='\\tau '><i>&tau;</i></li>\n                <li class='keycap tex' data-insert='\\upsilon '><i>&upsilon;</i></li>\n                <li class='keycap tex' data-insert='\\theta '><i>&theta;</i></li>\n                <li class='keycap tex' data-insert='\\iota '><i>&iota;</i></li>\n                <li class='keycap tex' data-insert='\\omicron '>&omicron;</i></li>\n                <li class='keycap tex' data-insert='\\pi '><i>&pi;</i></li>\n            </ul>\n            <ul><li class='keycap tex' data-insert='\\alpha ' data-shifted='&Alpha;' data-shifted-command='[\"insert\",\"{\\\\char\\\"391}\"]'><i>&alpha;</i></li>\n                <li class='keycap tex' data-insert='\\sigma '><i>&sigma;</i></li>\n                <li class='keycap tex' data-insert='\\delta '><i>&delta;</i></li>\n                <li class='keycap tex' data-insert='\\phi '><i>&#x03d5;</i></i></li>\n                <li class='keycap tex' data-insert='\\gamma '><i>&gamma;</i></li>\n                <li class='keycap tex' data-insert='\\eta '><i>&eta;</i></li>\n                <li class='keycap tex' data-insert='\\xi '><i>&xi;</i></li>\n                <li class='keycap tex' data-insert='\\kappa '><i>&kappa;</i></li>\n                <li class='keycap tex' data-insert='\\lambda '><i>&lambda;</i></li>\n            </ul>\n            <ul><li class='shift modifier font-glyph bottom left w15 layer-switch' data-layer='upper-greek'>&#x21e7;</li>\n                <li class='keycap tex' data-insert='\\zeta '><i>&zeta;</i></li>\n                <li class='keycap tex' data-insert='\\chi '><i>&chi;</i></li>\n                <li class='keycap tex' data-insert='\\psi '><i>&psi;</i></li>\n                <li class='keycap tex' data-insert='\\omega 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var.</aside></li>\n                <li class='keycap tex' data-insert='\\varkappa '><i>&#x3f0;</i><aside>kappa var.</aside></li>\n                <li class='keycap tex' data-insert='\\varpi '><i>&#x03d6;<aside>pi var.</aside></i></li>\n                <li class='keycap tex' data-insert='\\varrho '><i>&#x03f1;</i><aside>rho var.</aside></li>\n                <arrows/>\n            </ul>\n        </div>","upper-greek":"\n        <div class='rows'>\n            <ul><li class='keycap tex' data-insert='\\Phi '>&Phi;<aside>phi</aside></li>\n                <li class='keycap tex' data-insert='\\Sigma '>&Sigma;<aside>sigma</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"0190}'>&#x0190;<aside>epsilon</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A1}'>&#x3A1;<aside>rho</aside></li>\n                <li class='keycap tex' data-insert='{\\char\"3A4}'>&#x3A4;<aside>tau</aside></li>\n                <li class='keycap tex' 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class="ML__virtual-keyboard-toggle" data-tooltip="${Je("tooltip.toggle virtual keyboard")}">`,this.config.virtualKeyboardToggleGlyph?s+=this.config.virtualKeyboardToggleGlyph:s+='<span style="width: 21px; margin-top: 4px;"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512"><path d="M528 64H48C21.49 64 0 85.49 0 112v288c0 26.51 21.49 48 48 48h480c26.51 0 48-21.49 48-48V112c0-26.51-21.49-48-48-48zm16 336c0 8.823-7.177 16-16 16H48c-8.823 0-16-7.177-16-16V112c0-8.823 7.177-16 16-16h480c8.823 0 16 7.177 16 16v288zM168 268v-24c0-6.627-5.373-12-12-12h-24c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zm96 0v-24c0-6.627-5.373-12-12-12h-24c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zm96 0v-24c0-6.627-5.373-12-12-12h-24c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zm96 0v-24c0-6.627-5.373-12-12-12h-24c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h24c6.627 0 12-5.373 12-12zm-336 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class="sr-only">\n            <span aria-live="assertive" aria-atomic="true"></span>\n            <span></span>\n        </div>\n    ',this.element.innerHTML=s;let a=0;"function"==typeof this.config.substituteTextArea?this.textarea=this.config.substituteTextArea():this.textarea=this.element.children[a++].firstElementChild,this.field=this.element.children[a].children[0],this.field.addEventListener("wheel",t=>{t.preventDefault(),t.stopPropagation();let e=void 0===t.deltaX?t.detail:-t.deltaX;isFinite(e)||(e=t.wheelDelta/10),this.field.scroll({top:0,left:this.field.scrollLeft-5*e})},{passive:!1}),this.virtualKeyboardToggleDOMNode=this.element.children[a++].children[1],this._attachButtonHandlers(this.virtualKeyboardToggleDOMNode,{default:"toggleVirtualKeyboard",alt:"toggleVirtualKeyboardAlt",shift:"toggleVirtualKeyboardShift"}),this.ariaLiveText=this.element.children[a].children[0],this.accessibleNode=this.element.children[a++].children[1],this.popover=gs("mathlive-popover-panel","ML__popover"),this.keystrokeCaption=gs("mathlive-keystroke-caption-panel","ML__keystroke-caption"),this.keystrokeCaptionVisible=!1,this.virtualKeyboardVisible=!1,this.keystrokeBuffer="",this.keystrokeBufferStates=[],this.keystrokeBufferResetTimer=null,this.suggestionIndex=0,this.mode=e.defaultMode||"math",this.smartModeSuppressed=!1,this.style={},this.blurred=!0,us(this.element,"focus",this),us(this.element,"blur",this),us(this.textarea,"cut",this),us(this.textarea,"copy",this),us(this.textarea,"paste",this),$e.delegateKeyboardEvents(this.textarea,{container:this.element,allowDeadKey:()=>"text"===this.mode,typedText:this._onTypedText.bind(this),paste:this._onPaste.bind(this),keystroke:this._onKeystroke.bind(this),focus:this._onFocus.bind(this),blur:this._onBlur.bind(this)}),window.PointerEvent?us(this.field,"pointerdown",this):us(this.field,"touchstart:active mousedown",this),us(window,"resize",this);const o={...e};o.onSelectionDidChange=xs.prototype._onSelectionDidChange.bind(this),o.onContentDidChange=xs.prototype._onContentDidChange.bind(this),o.onAnnounce=this.config.onAnnounce,o.macros=this.config.macros,o.removeExtraneousParentheses=this.config.removeExtraneousParentheses,this.mathlist=new Pe.EditableMathlist(o,this),this.undoManager=new class{constructor(t){this.mathlist=t,this.maximumDepth=1e3,this.record=!1,this.canCoalesce=!1,this.reset()}reset(){this.stack=[],this.index=-1}startRecording(){this.record=!0}canUndo(){return this.index>0}canRedo(){return this.index!==this.stack.length-1}undo(t){this.canUndo()&&(t&&"function"==typeof t.onUndoStateWillChange&&t.onUndoStateWillChange(this.mathlist.target,"undo"),this.restore(this.stack[this.index-1],t),this.index-=1,t&&"function"==typeof t.onUndoStateDidChange&&t.onUndoStateDidChange(this.mathlist.target,"undo"),this.canCoalesce=!1)}redo(t){this.canRedo()&&(t&&"function"===t.onUndoStateWillChange&&t.onUndoStateWillChange(this.mathlist.target,"redo"),this.index+=1,this.restore(this.stack[this.index],t),t&&"function"==typeof t.onUndoStateDidChange&&t.onUndoStateDidChange(this.mathlist.target,"redo"),this.canCoalesce=!1)}pop(){this.canUndo()&&(this.index-=1,this.stack.pop())}snapshot(t){this.record&&(t&&"function"===t.onUndoStateWillChange&&t.onUndoStateWillChange(this.mathlist.target,"snapshot"),this.stack.splice(this.index+1,this.stack.length-this.index-1),this.stack.push({latex:this.mathlist.root.toLatex(),selection:this.mathlist.toString()}),this.index++,this.stack.length>this.maximumDepth&&this.stack.shift(),t&&"function"==typeof t.onUndoStateDidChange&&t.onUndoStateDidChange(this.mathlist.target,"snapshot"),this.canCoalesce=!1)}snapshotAndCoalesce(t){this.canCoalesce&&this.pop(),this.snapshot(t),this.canCoalesce=!0}save(){return{latex:this.mathlist.root.toLatex(),selection:this.mathlist.toString()}}restore(t,e){const i=this.mathlist.suppressChangeNotifications;void 0!==e.suppressChangeNotifications&&(this.mathlist.suppressChangeNotifications=e.suppressChangeNotifications),this.mathlist.insert(t?t.latex:"",{mode:"math",insertionMode:"replaceAll",selectionMode:"after",format:"latex",...e}),this.mathlist.setPath(t?t.selection:[{relation:"body",offset:0}]),this.mathlist.suppressChangeNotifications=i}}(this.mathlist),i.length>0&&this.$latex(i),this.undoManager.startRecording(),this.undoManager.snapshot(this.config)}handleEvent(t){switch(t.type){case"focus":this._onFocus(t);break;case"blur":this._onBlur(t);break;case"touchstart":case"mousedown":case"pointerdown":this._onPointerDown(t);break;case"resize":this._resizeTimer&&window.cancelAnimationFrame(this._resizeTimer),this._resizeTimer=window.requestAnimationFrame(()=>bs(this)&&this._onResize());break;case"cut":this._onCut(t);break;case"copy":this._onCopy(t);break;case"paste":this._onPaste(t)}}$revertToOriginalContent(){this.element.innerHTML=this.originalContent,this.element.mathfield=null,delete this.accessibleNode,delete this.ariaLiveText,delete this.field,fs(this.textarea,"cut",this),fs(this.textarea,"copy",this),fs(this.textarea,"paste",this),this.textarea.remove(),delete this.textarea,this.virtualKeyboardToggleDOMNode.remove(),delete this.virtualKeyboardToggleDOMNode,ys(this.popover),ys(this.keystrokeCaption),ys(this.virtualKeyboard),ys(document.getElementById("mathlive-alternate-keys-panel")),fs(this.element,"pointerdown",this),fs(this.element,"touchstart:active mousedown",this),fs(this.element,"focus",this),fs(this.element,"blur",this),fs(window,"resize",this),delete this.element}_resetKeystrokeBuffer(){this.keystrokeBuffer="",this.keystrokeBufferStates=[],clearTimeout(this.keystrokeBufferResetTimer)}_getCaretPosition(){const t=function t(e){if(e.classList.contains("ML__caret")||e.classList.contains("ML__text-caret")||e.classList.contains("ML__command-caret"))return e;let i;return Array.from(e.children).forEach((function(e){i=i||t(e)})),i}(this.field);if(t){const e=t.getBoundingClientRect();return{x:e.right,y:e.bottom,height:e.height}}return null}_getSelectionBounds(){const t=this.field.querySelectorAll(".ML__selected");if(t&&t.length>0){const e={top:1/0,bottom:-1/0,left:1/0,right:-1/0};t.forEach(t=>{const i=t.getBoundingClientRect();i.left<e.left&&(e.left=i.left),i.right>e.right&&(e.right=i.right),i.bottom>e.bottom&&(e.bottom=i.bottom),i.top<e.top&&(e.top=i.top)});const i=this.field.getBoundingClientRect(),s=e.right-e.left,a=e.bottom-e.top;return e.left=Math.ceil(e.left-i.left+this.field.scrollLeft),e.right=e.left+s,e.top=Math.ceil(e.top-i.top),e.bottom=e.top+a,e}return null}_pathFromPoint(t,e,i){let s;(i=i||{}).bias=i.bias||0;const a=function t(e,i,s){let a={element:null,distance:Number.POSITIVE_INFINITY},o=!0;if(e.getAttribute("data-atom-id")){a.element=e;const t=e.getBoundingClientRect(),n=i-(t.left+t.right)/2,r=s-(t.top+t.bottom)/2;a.distance=n*n+r*r,o=i>=t.left&&i<=t.right}return o&&e.children&&Array.from(e.children).forEach((function(e){const o=t(e,i,s);o.element&&o.distance<=a.distance&&(a=o)})),a}(this.field,t,e).element,o=a?a.getAttribute("data-atom-id"):null;if(o){const e=this.mathlist.filter((function(t,e){return e.captureSelection?e.filter(t=>t.id===o).length>0:e.id===o}));if(e&&e.length>0)if(s=de.pathFromString(e[0]).path,0===i.bias){const e=a.getBoundingClientRect();t<e.left+e.width/2&&!a.classList.contains("ML__placeholder")&&(s[s.length-1].offset=Math.max(0,s[s.length-1].offset-1))}else i.bias<0&&(s[s.length-1].offset=Math.min(this.mathlist.siblings().length-1,Math.max(0,s[s.length-1].offset+i.bias)))}return s}_onPointerDown(t){const e=this;let i,s=!1,a=!1,o=!1;if(1!==t.buttons)return;function n(t){window.PointerEvent?(fs(e.field,"pointermove",h),fs(e.field,"pointerend pointerleave pointercancel",n),e.field.releasePointerCapture(t.pointerId)):(fs(e.field,"touchmove",h),fs(e.field,"touchend touchleave",n),fs(window,"mousemove",h),fs(window,"mouseup blur",n)),s=!1,clearInterval(c),e.element.querySelectorAll(".ML__scroller").forEach(t=>t.parentNode.removeChild(t)),t.preventDefault(),t.stopPropagation()}let r=!1,l=!1;const c=setInterval(()=>{r?e.field.scroll({top:0,left:e.field.scrollLeft-16}):l&&e.field.scroll({top:0,left:e.field.scrollLeft+16})},32);function h(t){const s=t.touches?t.touches[0].clientX:t.clientX,o=t.touches?t.touches[0].clientY:t.clientY,n="touch"===t.pointerType?20:5;if(Date.now()<m+500&&Math.abs(d-s)<n&&Math.abs(p-o)<n)return t.preventDefault(),void t.stopPropagation();const c=e.field.getBoundingClientRect();l=s>c.right,r=s<c.left;let h=i;window.PointerEvent?t.isPrimary||(h=e._pathFromPoint(t.clientX,t.clientY,{bias:0})):t.touches&&2===t.touches.length&&(h=e._pathFromPoint(t.touches[1].clientX,t.touches[1].clientY,{bias:0}));const u=e._pathFromPoint(s,o,{bias:s<=d?s===d?0:-1:1});u&&e.mathlist.setRange(h,u,{extendToWordBoundary:a})&&e._requestUpdate(),t.preventDefault(),t.stopPropagation()}const d=t.touches?t.touches[0].clientX:t.clientX,p=t.touches?t.touches[0].clientY:t.clientY,m=Date.now();ks&&Math.abs(ks.x-d)<5&&Math.abs(ks.y-p)<5&&Date.now()<ks.time+500?(vs+=1,ks.time=m):(ks={x:d,y:p,time:m},vs=1);const u=this.field.getBoundingClientRect();if(d>=u.left&&d<=u.right&&p>=u.top&&p<=u.bottom){if(this.$hasFocus()||(o=!0,this.textarea.focus&&this.textarea.focus()),this._resetKeystrokeBuffer(),this.smartModeSuppressed=!1,i=this._pathFromPoint(d,p,{bias:0}),i){let r=document.createElement("div");r.className="ML__scroller",this.element.appendChild(r),r.style.left=u.left-200+"px",r=document.createElement("div"),r.className="ML__scroller",this.element.appendChild(r),r.style.left=u.right+"px",t.shiftKey?(this.mathlist.setRange(this.mathlist.path,i),i=de.clone(this.mathlist.path),i[i.length-1].offset-=1):this.mathlist.setPath(i,0),o=!0,this.style={},3===t.detail||vs>2?(n(t),3!==t.detail&&3!==vs||this.mathlist.selectAll_()):s||(s=!0,window.PointerEvent?(us(e.field,"pointermove",h),us(e.field,"pointerend pointercancel pointerup",n),e.field.setPointerCapture(t.pointerId)):(us(window,"blur",n),t.touches?(us(t.target,"touchmove",h),us(t.target,"touchend",n)):(us(window,"mousemove",h),us(window,"mouseup",n))),2!==t.detail&&2!==vs||(a=!0,this.mathlist.selectGroup_()))}}else ks=null;o&&this._requestUpdate(),t.preventDefault()}_onSelectionDidChange(){this.mathlist.commitCommandStringBeforeInsertionPoint();let t="";this.mathlist.forEachSelected(e=>{t+=e.toLatex()}),t?(this.textarea.value=t,this.$hasFocus()&&this.textarea.select&&this.textarea.select()):(this.textarea.value="",this.textarea.setAttribute("aria-label",""));{const t=this.mode;this.mode=this.mathlist.anchorMode()||this.config.defaultMode,this.mode!==t&&"function"==typeof this.config.onModeChange&&this.config.onModeChange(this,this.mode),"command"===t&&"command"!==this.mode&&(Ze.hidePopover(this),this.mathlist.removeCommandString())}Ze.updatePopoverPosition(this,{deferred:!0}),"function"==typeof this.config.onSelectionDidChange&&this.config.onSelectionDidChange(this),this.removeIsolatedSpace_(),this.mathlist.contentDidChange()}_onContentDidChange(){this.undoManager.canRedo()?this.element.classList.add("can-redo"):this.element.classList.remove("can-redo"),this.undoManager.canUndo()?this.element.classList.add("can-undo"):this.element.classList.remove("can-undo"),"function"==typeof this.config.onContentDidChange&&this.config.onContentDidChange(this)}_nextAtomSpeechText(t){function e(t,e){return"body"===e.relation?{enclose:"cross out",leftright:"fence",surd:"square root",root:"math field"}[t.type]:{numer:"numerator",denom:"denominator",index:"index",body:"parent",subscript:"subscript",superscript:"superscript"}[e.relation]}const i=t?t.path:[],s=this.mathlist.path,a=s[s.length-1];let o="";for(;i.length>s.length;)o+="out of "+e(t.parent(),i[i.length-1])+"; ",i.pop();if(!this.mathlist.isCollapsed())return ws(this,"",this.mathlist.getSelectedAtoms());const n=e(this.mathlist.parent(),a);0===a.offset&&(o+=(n?"start of "+n:"unknown")+": ");const r=this.mathlist.sibling(Math.max(1,this.mathlist.extent));return r?o+=ws(this,"",r):0!==a.offset&&(o+=n?"end of "+n:"unknown"),o}_announce(t,e,i){"function"==typeof this.config.onAnnounce&&this.config.onAnnounce(this,t,e,i)}_onFocus(){this.blurred&&(this.blurred=!1,this.textarea.focus&&this.textarea.focus(),"onfocus"===this.config.virtualKeyboardMode&&this.showVirtualKeyboard_(),Ze.updatePopoverPosition(this),this.config.onFocus&&this.config.onFocus(this),this._requestUpdate())}_onBlur(){this.blurred||(this.blurred=!0,this.ariaLiveText.textContent="","onfocus"===this.config.virtualKeyboardMode&&this.hideVirtualKeyboard_(),this.complete_({discard:!0}),this._requestUpdate(),this.config.onBlur&&this.config.onBlur(this))}_onResize(){this.element.classList.remove("ML__isNarrowWidth","ML__isWideWidth","ML__isExtendedWidth"),window.innerWidth>=1024?this.element.classList.add("ML__isExtendedWidth"):window.innerWidth>=768?this.element.classList.add("ML__isWideWidth"):this.element.classList.add("ML__isNarrowWidth"),Ze.updatePopoverPosition(this)}toggleKeystrokeCaption_(){this.keystrokeCaptionVisible=!this.keystrokeCaptionVisible,this.keystrokeCaption.innerHTML="",this.keystrokeCaptionVisible||(this.keystrokeCaption.style.visibility="hidden")}_showKeystroke(t){const e=this.keystrokeCaption;if(e&&this.keystrokeCaptionVisible){const i=this.element.getBoundingClientRect();e.style.left=i.left+"px",e.style.top=i.top-64+"px",e.innerHTML="<span>"+(xe.stringify(t)||t)+"</span>"+e.innerHTML,e.style.visibility="visible",setTimeout((function(){e.childNodes.length>0&&e.removeChild(e.childNodes[e.childNodes.length-1]),0===e.childNodes.length&&(e.style.visibility="hidden")}),3e3)}}$perform(t){if(!t)return!1;let e,i=!1,s=[],a=!1;if(Array.isArray(t)?(e=t[0],s=t.slice(1)):e=t,e=e.replace(/-\w/g,t=>t[1].toUpperCase()),e+="_","function"==typeof this.mathlist[e]){if(/^(delete|transpose|add)/.test(e)&&this._resetKeystrokeBuffer(),/^(delete|transpose|add)/.test(e)&&"command"!==this.mode&&(this.undoManager.pop(),this.undoManager.snapshot(this.config)),this.mathlist[e](...s),/^(delete|transpose|add)/.test(e)&&"command"!==this.mode&&this.undoManager.snapshot(this.config),/^(delete)/.test(e)&&"command"===this.mode){const t=this.mathlist.extractCommandStringAroundInsertionPoint(),e=wt.suggest(t);0===e.length?Ze.hidePopover(this):Ze.showPopoverWithLatex(this,e[0].match,e.length>1)}a=!0,i=!0}else"function"==typeof this[e]&&(a=this[e](...s),i=!0);return this.mathlist.isCollapsed()&&!/^(transpose|paste|complete|((moveToNextChar|moveToPreviousChar|extend).*))_$/.test(e)||(this._resetKeystrokeBuffer(),this.style={}),a&&this._requestUpdate(),i}performWithFeedback_(t){return this.$focus(),this.config.keypressVibration&&navigator.vibrate&&navigator.vibrate(3),"moveToNextPlaceholder"===(t=t.replace(/-\w/g,t=>t[1].toUpperCase()))||"moveToPreviousPlaceholder"===t||"complete"===t?this.returnKeypressSound?(this.returnKeypressSound.load(),this.returnKeypressSound.play().catch(t=>{})):this.keypressSound&&(this.keypressSound.load(),this.keypressSound.play().catch(t=>{})):"deletePreviousChar"!==t&&"deleteNextChar"!==t&&"deletePreviousWord"!==t&&"deleteNextWord"!==t&&"deleteToGroupStart"!==t&&"deleteToGroupEnd"!==t&&"deleteToMathFieldStart"!==t&&"deleteToMathFieldEnd"!==t||!this.deleteKeypressSound?this.keypressSound&&(this.keypressSound.load(),this.keypressSound.play().catch(t=>{})):(this.deleteKeypressSound.load(),this.deleteKeypressSound.play().catch(t=>{})),this.$perform(t)}convertLastAtomsToText_(t,e){"function"==typeof t&&(e=t,t=1/0),void 0===t&&(t=1/0);let i=0,s=!1;for(this.mathlist.contentWillChange();!s;){const a=this.mathlist.sibling(i);s=0===t||!a||"math"!==a.mode||!(/mord|textord|mpunct/.test(a.type)||"mop"===a.type&&/[a-zA-Z]+/.test(a.body))||a.superscript||a.subscript||e&&!e(a),s||(a.applyStyle({mode:"text"}),a.latex=a.body),i-=1,t-=1}this.mathlist.contentDidChange()}convertLastAtomsToMath_(t,e){"function"==typeof t&&(e=t,t=1/0),void 0===t&&(t=1/0),this.mathlist.contentWillChange();let i=0,s=!1;for(;!s;){const a=this.mathlist.sibling(i);s=0===t||!a||"text"!==a.mode||" "===a.body||e&&!e(a),s||a.applyStyle({mode:"math",type:"mord"}),i-=1,t-=1}this.removeIsolatedSpace_(),this.mathlist.contentDidChange()}removeIsolatedSpace_(){let t=0;for(;this.mathlist.sibling(t)&&"math"===this.mathlist.sibling(t).mode;)t-=1;if(this.mathlist.sibling(t)&&"text"===this.mathlist.sibling(t).mode&&" "===this.mathlist.sibling(t).body&&(!this.mathlist.sibling(t-1)||"math"===this.mathlist.sibling(t-1).mode)){this.mathlist.contentWillChange(),this.mathlist.siblings().splice(t-1,1),this.mathlist.contentDidChange();const e=this.mathlist.suppressChangeNotifications;this.mathlist.suppressChangeNotifications=!0,this.mathlist.setSelection(this.mathlist.anchorOffset()-1),this.mathlist.suppressChangeNotifications=e}}getTextBeforeAnchor_(){let t="",e=0,i=!1;for(;!i;){const s=this.mathlist.sibling(e);i=!(s&&("text"===s.mode&&!s.type||"math"===s.mode&&/mord|textord|mpunct/.test(s.type))),i||(t=s.body+t),e-=1}return t}smartMode_(t,e){if(this.smartModeSuppressed)return!1;if(this.mathlist.endOffset()<this.mathlist.siblings().length-1)return!1;if(!e||e.ctrlKey||e.metaKey)return!1;const i=$e.eventToChar(e);if(i.length>1)return!1;if(!this.mathlist.isCollapsed())return!("text"!==this.mode||!/[/_^]/.test(i));const s=this.getTextBeforeAnchor_()+i;if("text"===this.mode){if("Esc"===t||/[/\\]/.test(i))return!0;if(/[\^_]/.test(i))return/(^|\s)[a-zA-Z][^_]$/.test(s)&&this.convertLastAtomsToMath_(1),!0;const e={")":"(","}":"{","]":"["}[i];if(e&&this.mathlist.parent()&&"leftright"===this.mathlist.parent().type&&this.mathlist.parent().leftDelim===e)return!0;if(/(^|[^a-zA-Z])(a|I)[ ]$/.test(s))return!1;if(/[$€£₤₺¥¤฿¢₡₧₨₹₩₱]/u.test(i))return!0;if(/(^|[^a-zA-Z'’])[a-zA-Z][ ]$/.test(s))return this.convertLastAtomsToMath_(1),!1;if(/[^0-9]\.[^0-9\s]$/.test(s)){this.convertLastAtomsToMath_(1);const t=this.mathlist.sibling(0);return t.body="⋅",t.autoFontFamily="cmr",t.latex="\\cdot",!0}if(/(^|\s)[a-zA-Z][^a-zA-Z]$/.test(s))return this.convertLastAtomsToMath_(1),!0;if(/\.[0-9]$/.test(s))return this.convertLastAtomsToMath_(1),!0;if(/[(][0-9+\-.]$/.test(s))return this.convertLastAtomsToMath_(1),!0;if(/[(][a-z][,;]$/.test(s))return this.convertLastAtomsToMath_(2),!0;if(/[0-9+\-=><*|]$/.test(i))return this.removeIsolatedSpace_(),!0}else{if("Spacebar"===t)return this.convertLastAtomsToText_(t=>/[a-z][:,;.]$/.test(t.body)),!0;if(/[a-zA-Z]{3,}$/.test(s)&&!/(dxd|abc|xyz|uvw)$/.test(s))return this.convertLastAtomsToText_(t=>/[a-zA-Z:,;.]/.test(t.body)),!0;if(/(^|\W)(if|If)$/i.test(s))return this.convertLastAtomsToText_(1),!0;if(/(\u0393|\u0394|\u0398|\u039b|\u039E|\u03A0|\u03A3|\u03a5|\u03a6|\u03a8|\u03a9|[\u03b1-\u03c9]|\u03d1|\u03d5|\u03d6|\u03f1|\u03f5){3,}$/u.test(s)&&!/(αβγ)$/.test(s))return this.convertLastAtomsToText_(t=>/(:|,|;|.|\u0393|\u0394|\u0398|\u039b|\u039E|\u03A0|\u03A3|\u03a5|\u03a6|\u03a8|\u03a9|[\u03b1-\u03c9]|\u03d1|\u03d5|\u03d6|\u03f1|\u03f5)/u.test(t.body)),!0;if(/\?|\./.test(i))return!0}return!1}_onKeystroke(t,e){if(this._showKeystroke(t),clearTimeout(this.keystrokeBufferResetTimer),this.config.onKeystroke&&!this.config.onKeystroke(this,t,e))return e&&e.preventDefault&&(e.preventDefault(),e.stopPropagation()),!1;let i,s,a,o=!1;if("command"!==this.mode&&(!e||!e.ctrlKey&&!e.metaKey)){const t=$e.eventToChar(e);if("Backspace"!==t)if(!t||t.length>1)this._resetKeystrokeBuffer();else{const e=this.keystrokeBuffer+t;let a=0;for(;!i&&a<e.length;){let t;if(this.keystrokeBufferStates[a]){const e=new Pe.EditableMathlist;e.root=Yt.makeRoot("math",le.parseTokens(n(this.keystrokeBufferStates[a].latex),this.config.default,null,this.config.macros)),e.setPath(this.keystrokeBufferStates[a].selection),t=e.siblings()}else t=this.mathlist.siblings();i=xe.forString(this.mode,t,e.slice(a),this.config),a+=1}s=a-1,this.keystrokeBuffer+=t,this.keystrokeBufferStates.push(this.undoManager.save()),xe.startsWithString(e,this.config).length<=1?o=!0:this.config.inlineShortcutTimeout&&(this.keystrokeBufferResetTimer=setTimeout(()=>{this._resetKeystrokeBuffer()},this.config.inlineShortcutTimeout))}}if(this.config.smartMode){const s=this.mode;i?this.mode="math":this.smartMode_(t,e)&&(this.mode={math:"text",text:"math"}[this.mode],a=""),this.mode!==s&&"function"==typeof this.config.onModeChange&&this.config.onModeChange(this,this.mode)}if(i||a||(a=xe.selectorForKeystroke(this.mode,t)),!i&&!a)return!0;this.mathlist.decorateCommandStringAroundInsertionPoint(!1);const r=this.mathlist.parent();if("moveAfterParent"===a&&r&&"leftright"===r.type&&this.mathlist.endOffset()===this.mathlist.siblings().length-1&&this.config.smartFence&&this.mathlist._insertSmartFence(".")&&(a="",this._requestUpdate()),"math"===this.mode&&"Spacebar"===t&&!i){const t=this.mathlist.sibling(1),e=this.mathlist.sibling(-1);(t&&"text"===t.mode||e&&"text"===e.mode)&&this.mathlist.insert(" ",{mode:"text"})}if((a&&!this.$perform(a)||i)&&i){if(!/^(\\{|\\}|\\[|\\]|\\@|\\#|\\$|\\%|\\^|\\_|\\backslash)$/.test(i)){const t={...this.mathlist.anchorStyle(),...this.style};this.mathlist.insert($e.eventToChar(e),{suppressChangeNotifications:!0,mode:this.mode,style:t});const i=this.mode;this.undoManager.snapshotAndCoalesce(this.config),this.undoManager.restore(this.keystrokeBufferStates[s],{...this.config,suppressChangeNotifications:!0}),this.mode=i}this.mathlist.contentWillChange();const t=this.mathlist.suppressChangeNotifications;this.mathlist.suppressChangeNotifications=!0;const a={...this.mathlist.anchorStyle(),...this.style};this.mathlist.insert(i,{format:"latex",mode:this.mode,style:a,smartFence:!0}),this.removeIsolatedSpace_(),i.endsWith(" ")&&(this.mode="text",this.mathlist.insert(" ",{mode:"text",style:a})),this.mathlist.suppressChangeNotifications=t,this.mathlist.contentDidChange(),this.undoManager.snapshot(this.config),this._requestUpdate(),this._announce("replacement"),o&&this._resetKeystrokeBuffer()}return this.scrollIntoView(),e&&e.preventDefault&&(e.preventDefault(),e.stopPropagation()),!1}_onTypedText(t,e){if((e=e||{}).focus&&this.$focus(),e.feedback&&(this.config.keypressVibration&&navigator.vibrate&&navigator.vibrate(3),this.keypressSound&&(this.keypressSound.load(),this.keypressSound.play().catch(t=>{}))),e.commandMode&&"command"!==this.mode&&this.switchMode_("command"),this.mathlist.decorateCommandStringAroundInsertionPoint(!1),e.simulateKeystroke){const e=t.charAt(0),i=$e.charToEvent(e);if(!this.$keystroke($e.keyboardEventToString(i),i))return}let i="",a=!1;if(this.pasteInProgress)this.pasteInProgress=!1,this.mathlist.insert(t,{smartFence:this.config.smartFence,mode:"math"});else{const e={...this.mathlist.anchorStyle(),...this.style},o=s(t);for(const t of o)if("command"===this.mode){this.mathlist.removeSuggestion(),this.suggestionIndex=0;const e=this.mathlist.extractCommandStringAroundInsertionPoint(),s=wt.suggest(e+t);a=s.length>1,0===s.length?(this.mathlist.insert(t,{mode:"command"}),/^\\[a-zA-Z\\*]+$/.test(e+t)&&this.mathlist.decorateCommandStringAroundInsertionPoint(!0),Ze.hidePopover(this)):(this.mathlist.insert(t,{mode:"command"}),s[0].match!==e+t&&this.mathlist.insertSuggestion(s[0].match,-s[0].match.length+e.length+1),i=s[0].match)}else if("math"===this.mode){const i={"^":"moveToSuperscript",_:"moveToSubscript"," ":"moveAfterParent"}[t];if(i){if("moveToSuperscript"===i){if(this._superscriptDepth()>=this.config.scriptDepth[1])return void this._announce("plonk")}else if("moveToSubscript"===i&&this._subscriptDepth()>=this.config.scriptDepth[0])return void this._announce("plonk");this.$perform(i)}else this.config.smartSuperscript&&"superscript"===this.mathlist.relation()&&/[0-9]/.test(t)&&0===this.mathlist.siblings().filter(t=>"first"!==t.type).length?(this.mathlist.insert(t,{mode:"math",style:e}),this.mathlist.moveAfterParent_()):this.mathlist.insert(t,{mode:"math",style:e,smartFence:this.config.smartFence})}else"text"===this.mode&&this.mathlist.insert(t,{mode:"text",style:e})}"command"!==this.mode&&this.undoManager.snapshotAndCoalesce(this.config),this._requestUpdate(),this.scrollIntoView(),Ze.showPopoverWithLatex(this,i,a)}_hash(){let t=0;const e=this.mathlist.root.toLatex(!1);for(let i=0;i<e.length;i++)t=31*t+e.charCodeAt(i),t|=0;return Math.abs(t)}_requestUpdate(){this.dirty||(this.dirty=!0,requestAnimationFrame(t=>bs(this)&&this._render()))}_render(t){t=t||{},this.dirty=!1,window.mathlive||(window.mathlive={}),this.mathlist.anchor()||(this.mathlist.path=[{relation:"body",offset:0}]),this.mathlist.forEach(t=>{t.caret="",t.isSelected=!1});const e=this.$hasFocus();this.mathlist.isCollapsed()?this.mathlist.anchor().caret=e?this.mode:"":this.mathlist.forEachSelected(t=>{t.isSelected=!0});const i=Yt.decompose({mathstyle:"displaystyle",generateID:{seed:this._hash(),groupNumbers:t.forHighlighting},macros:this.config.macros},this.mathlist.root),s=$.makeSpan(i,"ML__base");s.attributes={translate:"no","aria-hidden":"true"};const a=$.makeSpan("","ML__strut");a.setStyle("height",s.height,"em");const o=[a];if(0!==s.depth){const t=$.makeSpan("","ML__strut--bottom");t.setStyle("height",s.height+s.depth,"em"),t.setStyle("vertical-align",-s.depth,"em"),o.push(t)}o.push(s);const n=$.makeSpan(o,"ML__mathlive");this.field.innerHTML=n.toMarkup(0,this.config.horizontalSpacingScale),this.field.classList.toggle("ML__focused",e),this.accessibleNode.innerHTML="<math xmlns='http://www.w3.org/1998/Math/MathML'>"+Yt.toMathML(this.mathlist.root,this.config)+"</math>";const r=this._getSelectionBounds();if(r){const t=document.createElement("div");t.classList.add("ML__selection"),t.style.position="absolute",t.style.left=r.left+"px",t.style.top=r.top+"px",t.style.width=Math.ceil(r.right-r.left)+"px",t.style.height=Math.ceil(r.bottom-r.top-1)+"px",this.field.insertBefore(t,this.field.childNodes[0])}}_onPaste(){return this.pasteInProgress=!0,!0}_onCut(){return setTimeout(function(){this.$clearSelection(),this._requestUpdate()}.bind(this),0),!0}_onCopy(t){this.mathlist.isCollapsed()?(t.clipboardData.setData("text/plain","$$"+this.$text("latex-expanded")+"$$"),t.clipboardData.setData("application/json",this.$text("json")),t.clipboardData.setData("application/xml",this.$text("mathML"))):(t.clipboardData.setData("text/plain","$$"+this.$selectedText("latex-expanded")+"$$"),t.clipboardData.setData("application/json",this.$selectedText("json")),t.clipboardData.setData("application/xml",this.$selectedText("mathML"))),t.preventDefault()}formatMathlist(t,e){let i="";if("latex"===(e=e||"latex")||"latex-expanded"===e)i=t.toLatex("latex-expanded"===e);else if("mathML"===e)i=t.toMathML(this.config);else if("spoken"===e)i=Yt.toSpeakableText(t,this.config);else if("spoken-text"===e){const e=this.config.textToSpeechMarkup;this.config.textToSpeechMarkup="",i=Yt.toSpeakableText(t,this.config),this.config.textToSpeechMarkup=e}else if("spoken-ssml"===e||"spoken-ssml-withHighlighting"===e){const s=this.config.textToSpeechMarkup,a=this.config.generateID;this.config.textToSpeechMarkup="ssml","spoken-ssml-withHighlighting"===e&&(this.config.generateID=!0),i=Yt.toSpeakableText(t,this.config),this.config.textToSpeechMarkup=s,this.config.generateID=a}else if("json"===e){const e=Yt.toAST(t,this.config);i=JSON.stringify(e)}else"ASCIIMath"===e&&(i=function t(e,i){if(!e)return"";if(Array.isArray(e)){let i="";if(0===e.length)return"";if("first"===e[0].type&&e.shift(),"text"===e[0].mode){let s=0;for(i='"';e[s]&&"text"===e[s].mode;)i+=e[s].body,s++;i+='"'+t(e.slice(s))}else{let s=0;for(;e[s]&&"math"===e[s].mode;)i+=t(e[s]),s++;i+=t(e.slice(s))}return i.trim()}if("text"===e.mode)return'"'+e.body+'"';let s="";const a=e.latex?e.latex.trim():null;let o;switch(e.type){case"group":case"root":s=t(e.body);break;case"array":break;case"genfrac":(e.leftDelim||e.rightDelim)&&(s+="."!==e.leftDelim&&e.leftDelim?e.leftDelim:"{:"),e.hasBarLine?(s+="(",s+=t(e.numer),s+=")/(",s+=t(e.denom),s+=")"):(s+="("+t(e.numer)+"),",s+="("+t(e.denom)+")"),(e.leftDelim||e.rightDelim)&&(s+="."!==e.rightDelim&&e.rightDelim?e.rightDelim:"{:");break;case"surd":e.index?s+="root("+t(e.index)+")("+t(e.body)+")":s+="sqrt("+t(e.body)+")";break;case"leftright":s+="."!==e.leftDelim&&e.leftDelim?e.leftDelim:"{:",s+=t(e.body),s+="."!==e.rightDelim&&e.rightDelim?e.rightDelim:"{:";break;case"sizeddelim":case"delim":case"accent":break;case"line":case"overlap":case"overunder":break;case"mord":s=li[a]||a||("string"==typeof e.body?e.body:""),"\\"===s[0]&&(s+=""),o=a?a.match(/[{]?\\char"([0-9abcdefABCDEF]*)[}]?/):null,o?s=String.fromCharCode(parseInt("0x"+o[1])):s.length>0&&"\\"===s.charAt(0)&&(s="string"==typeof e.body?e.body.charAt(0):e.latex);break;case"mbin":case"mrel":case"textord":case"minner":s=a&&li[a]?li[a]:a&&ci[a]?ci[a]:e.body;break;case"mopen":case"mclose":s+=e.body;break;case"mpunct":s=ci[a]||a;break;case"mop":"​"!==e.body&&(s="",s+="\\operatorname"===a?t(e.body):e.body||a,s+=" ");break;case"mathstyle":case"box":case"spacing":case"enclose":break;case"space":s=" "}if(e.subscript){s+="_";const i=t(e.subscript);i.length>1&&!/^(-)?\d+(\.\d*)?$/.test(i)?s+="("+i+")":s+=i}if(e.superscript){s+="^";const i=t(e.superscript);i.length>1&&!/^(-)?\d+(\.\d*)?$/.test(i)?s+="("+i+")":s+=i}return s}(t,this.config));return i}$text(t){return this.formatMathlist(this.mathlist.root,t)}$selectedText(t){const e=this.mathlist.getSelectedAtoms();if(!e)return"";const i=Yt.makeRoot("math",e);return this.formatMathlist(i,t)}$selectionIsCollapsed(){return this.mathlist.isCollapsed()}$selectionDepth(){return this.mathlist.path.length}_superscriptDepth(){let t=0,e=0,i=this.mathlist.ancestor(e),s=!1;for(;i;)(i.superscript||i.subscript)&&(t+=1),i.superscript?s=!0:i.subscript&&(s=!1),e+=1,i=this.mathlist.ancestor(e);return s?t:0}_subscriptDepth(){let t=0,e=0,i=this.mathlist.ancestor(e),s=!1;for(;i;)(i.superscript||i.subscript)&&(t+=1),i.superscript?s=!1:i.subscript&&(s=!0),e+=1,i=this.mathlist.ancestor(e);return s?t:0}$selectionAtStart(){return 0===this.mathlist.startOffset()}$selectionAtEnd(){return this.mathlist.endOffset()>=this.mathlist.siblings().length-1}groupIsSelected(){return 0===this.mathlist.startOffset()&&this.mathlist.endOffset()>=this.mathlist.siblings().length-1}$latex(t,e){return t?(t!==this.mathlist.root.toLatex()&&(e=e||{},this.mathlist.insert(t,Object.assign({},this.config,{insertionMode:"replaceAll",selectionMode:"after",format:"latex",mode:"math",suppressChangeNotifications:e.suppressChangeNotifications})),this.undoManager.snapshot(this.config),this._requestUpdate()),t):this.mathlist.root.toLatex()}$el(){return this.element}undo(){return this.complete_(),this.undoManager.undo(this.config),!0}redo(){return this.complete_(),this.undoManager.redo(this.config),!0}scrollIntoView(){this.dirty&&this._render();let t=this._getCaretPosition();const e=this.field.getBoundingClientRect();if(!t){const i=this._getSelectionBounds();i&&(t={x:i.right+e.left-this.field.scrollLeft,y:i.top+e.top-this.field.scrollTop})}if(t){const i=t.x-window.scrollX;i<e.left?this.field.scroll({top:0,left:i-e.left+this.field.scrollLeft-20,behavior:"smooth"}):i>e.right&&this.field.scroll({top:0,left:i-e.right+this.field.scrollLeft+20,behavior:"smooth"})}}scrollToStart(){this.field.scroll(0,0)}scrollToEnd(){const t=this.field.getBoundingClientRect();this.field.scroll(t.left-window.scrollX,0)}enterCommandMode_(){this.switchMode_("command")}copyToClipboard_(){return this.$focus(),this.mathlist.isCollapsed()&&this.$select(),document.execCommand("copy"),!1}cutToClipboard_(){return this.$focus(),document.execCommand("cut"),!0}pasteFromClipboard_(){return this.$focus(),document.execCommand("paste"),!0}$insert(t,e){if("string"==typeof t&&t.length>0){if((e=e||{}).focus&&this.$focus(),e.feedback&&(this.config.keypressVibration&&navigator.vibrate&&navigator.vibrate(3),this.keypressSound&&(this.keypressSound.load(),this.keypressSound.play())),"\\\\"===t)this.mathlist.addRowAfter_();else if("&"===t)this.mathlist.addColumnAfter_();else{const i=this.style;this.mathlist.insert(t,{mode:this.mode,style:this.mathlist.anchorStyle(),...e}),e.resetStyle&&(this.style=i)}return this.undoManager.snapshot(this.config),this._requestUpdate(),!0}return!1}switchMode_(t,e,i){this._resetKeystrokeBuffer(),this.smartModeSuppressed=/text|math/.test(this.mode)&&/text|math/.test(t),e&&this.$insert(e,{format:"latex",mode:{math:"text",text:"math"}[t]}),this.mathlist.decorateCommandStringAroundInsertionPoint(!1),"command"===t?(this.mathlist.removeSuggestion(),Ze.hidePopover(this),this.suggestionIndex=0,this.virtualKeyboardVisible&&this.switchKeyboardLayer_("lower-command"),this.mathlist.insert("",{mode:"math"})):this.mode=t,i&&this.$insert(i,{format:"latex",mode:t}),"function"==typeof this.config.onModeChange&&this.config.onModeChange(this,this.mode),this._requestUpdate()}complete_(t){if(t=t||{},Ze.hidePopover(this),t.discard)return this.mathlist.spliceCommandStringAroundInsertionPoint(null),this.switchMode_("math"),!0;const e=this.mathlist.extractCommandStringAroundInsertionPoint(!t.acceptSuggestion);if(e){if("\\("===e||"\\)"===e)this.mathlist.spliceCommandStringAroundInsertionPoint([]),this.mathlist.insert(e.slice(1),{mode:this.mode});else{const t="math";if(wt.commandAllowed(t,e)){const i=le.parseTokens(n(e),t,null,this.config.macros);this.mathlist.spliceCommandStringAroundInsertionPoint(i)}else{const i=le.parseTokens(n(e),t,null,this.config.macros);i?this.mathlist.spliceCommandStringAroundInsertionPoint(i):this.mathlist.decorateCommandStringAroundInsertionPoint(!0)}}return this.undoManager.snapshot(this.config),this._announce("replacement"),!0}return!1}_updateSuggestion(){this.mathlist.positionInsertionPointAfterCommitedCommand(),this.mathlist.removeSuggestion();const t=this.mathlist.extractCommandStringAroundInsertionPoint(),e=wt.suggest(t);if(0===e.length)Ze.hidePopover(this),this.mathlist.decorateCommandStringAroundInsertionPoint(!0);else{const i=this.suggestionIndex%e.length,s=t.length-e[i].match.length;0!==s&&this.mathlist.insertSuggestion(e[i].match,s),Ze.showPopoverWithLatex(this,e[i].match,e.length>1)}this._requestUpdate()}nextSuggestion_(){return this.suggestionIndex+=1,this._updateSuggestion(),!1}previousSuggestion_(){if(this.suggestionIndex-=1,this.suggestionIndex<0){this.mathlist.removeSuggestion();const t=this.mathlist.extractCommandStringAroundInsertionPoint(),e=wt.suggest(t);this.suggestionIndex=e.length-1}return this._updateSuggestion(),!1}_attachButtonHandlers(t,e){const i=this;let s,a,o,n,r;"object"==typeof e&&(e.default||e.pressed)?(e.default&&t.setAttribute("data-"+this.config.namespace+"command",JSON.stringify(e.default)),e.alt&&t.setAttribute("data-"+this.config.namespace+"command-alt",JSON.stringify(e.alt)),e.altshift&&t.setAttribute("data-"+this.config.namespace+"command-altshift",JSON.stringify(e.altshift)),e.shift&&t.setAttribute("data-"+this.config.namespace+"command-shift",JSON.stringify(e.shift)),e.pressed&&t.setAttribute("data-"+this.config.namespace+"command-pressed",JSON.stringify(e.pressed)),e.pressAndHoldStart&&t.setAttribute("data-"+this.config.namespace+"command-pressAndHoldStart",JSON.stringify(e.pressAndHoldStart)),e.pressAndHoldEnd&&t.setAttribute("data-"+this.config.namespace+"command-pressAndHoldEnd",JSON.stringify(e.pressAndHoldEnd))):t.setAttribute("data-"+this.config.namespace+"command",JSON.stringify(e)),us(t,"mousedown 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t=Ls(a.textContent,i);t&&(s+=t.childNodes.length-1,e.replaceChild(t,a))}else if(1===a.nodeType){const e=a.nodeName.toLowerCase();if("script"===e&&i.processScriptTypePattern.test(a.type)){let t="displaystyle";for(const e of a.type.split(";")){const i=e.split("=");"mode"===i[0].toLowerCase()&&(t="display"===i[1].toLoweCase()?"displaystyle":"textstyle")}const e=Ts(a.textContent,t,i,!0);a.parentNode.replaceChild(e,a)}else(i.processClassPattern.test(a.className)||!i.skipTags.includes(e)&&!i.ignoreClassPattern.test(a.className))&&t(a,i)}}}}(t,e)}catch(t){Error}}};function zs(t,e,i,s){e=e||"displaystyle";const a=n(t),o=le.parseTokens(a,"math",null,s);if("mathlist"===i)return o;let r=Yt.decompose({mathstyle:e},o);if(r=$.coalesce(r),"span"===i)return r;const l=$.makeSpan(r,"ML__base"),c=$.makeSpan("","ML__strut");c.setStyle("height",l.height,"em");const h=[c];if(0!==l.depth){const t=$.makeSpan("","ML__strut--bottom");t.setStyle("height",l.height+l.depth,"em"),t.setStyle("vertical-align",-l.depth,"em"),h.push(t)}return h.push(l),$.makeSpan(h,"ML__mathlive").toMarkup()}function Es(t,e){if(!Yt.toMathML)return"";(e=e||{}).macros=e.macros||{},Object.assign(e.macros,wt.MACROS);const i=le.parseTokens(n(t),"math",null,e.macros);return Yt.toMathML(i,e)}function qs(t,e){if(!Yt.toSpeakableText)return"";(e=e||{}).macros=e.macros||{},Object.assign(e.macros,wt.MACROS);const i=le.parseTokens(n(t),"math",null,e.macros);return Yt.toSpeakableText(i,e)}function Is(t,e){if(!e&&window&&window.mathlive&&(e=window.mathlive.config),(e=e||{}).speechEngine&&"local"!==e.speechEngine)if("amazon"===e.speechEngine){if(window&&window.AWS){const i=new window.AWS.Polly({apiVersion:"2016-06-10"}),s={OutputFormat:"mp3",VoiceId:e.speechEngineVoice||"Joanna",Text:t,TextType:"ssml"};i.synthesizeSpeech(s,(function(t,e){if(t);else if(e&&e.AudioStream){const t=new Uint8Array(e.AudioStream),i=new Blob([t.buffer],{type:"audio/mpeg"}),s=URL.createObjectURL(i);new Audio(s).play().catch(t=>{})}}))}}else e.speechEngine;else{const e=new SpeechSynthesisUtterance(t);window&&window.speechSynthesis.speak(e)}}function Ps(t,e,i){if(!window)return;if(!i&&window.mathlive&&(i=window.mathlive.config),"amazon"!==(i=i||{}).speechEngine)return void(i.handleSpeak&&i.handleSpeak(e));if(!window.AWS)return;const s=new window.AWS.Polly({apiVersion:"2016-06-10"}),a={OutputFormat:"json",VoiceId:i.speechEngineVoice||"Joanna",Text:e,TextType:"ssml",SpeechMarkTypes:["ssml"]};window.mathlive=window.mathlive||{},window.mathlive.readAloudElement=t;const o=i.onReadAloudStatus||window.mathlive.onReadAloudStatus;s.synthesizeSpeech(a,(function(t,e){if(t);else if(e&&e.AudioStream){const t=new TextDecoder("utf-8").decode(new Uint8Array(e.AudioStream));window.mathlive.readAloudMarks=t.split("\n").map(t=>t?JSON.parse(t):{}),window.mathlive.readAloudTokens=[];for(const t of window.mathlive.readAloudMarks)t.value&&window.mathlive.readAloudTokens.push(t.value);window.mathlive.readAloudCurrentMark="",a.OutputFormat="mp3",a.SpeechMarkTypes=[],s.synthesizeSpeech(a,(function(t,e){if(t);else if(e&&e.AudioStream){const t=new Uint8Array(e.AudioStream),i=new Blob([t.buffer],{type:"audio/mpeg"}),s=URL.createObjectURL(i);window.mathlive.readAloudAudio?window.mathlive.readAloudAudio.pause():(window.mathlive.readAloudAudio=new Audio,window.mathlive.readAloudAudio.addEventListener("ended",()=>{o&&o(window.mathlive.readAloudMathField,"ended"),window.mathlive.readAloudMathField?(window.mathlive.readAloudMathField._render(),window.mathlive.readAloudElement=null,window.mathlive.readAloudMathField=null,window.mathlive.readAloudTokens=[],window.mathlive.readAloudMarks=[],window.mathlive.readAloudCurrentMark=""):function t(e){e.classList.remove("highlight"),e.children&&Array.from(e.children).forEach(e=>{t(e)})}(window.mathlive.readAloudElement)}),window.mathlive.readAloudAudio.addEventListener("timeupdate",()=>{let t="";const e=1e3*window.mathlive.readAloudAudio.currentTime+100;for(const i of window.mathlive.readAloudMarks)i.time<e&&(t=i.value);window.mathlive.readAloudCurrentMark!==t&&(window.mathlive.readAloudCurrentToken=t,t&&t===window.mathlive.readAloudFinalToken?window.mathlive.readAloudAudio.pause():(window.mathlive.readAloudCurrentMark=t,function t(e,i){i&&e.dataset.atomId!==i?(e.classList.remove("highlight"),e.children&&e.children.length>0&&Array.from(e.children).forEach(e=>{t(e,i)})):(e.classList.add("highlight"),e.children&&e.children.length>0&&Array.from(e.children).forEach(e=>{t(e)}))}(window.mathlive.readAloudElement,window.mathlive.readAloudCurrentMark)))})),window.mathlive.readAloudAudio.src=s,o&&o(window.mathlive.readAloudMathField,"playing"),window.mathlive.readAloudAudio.play()}}))}}))}function Bs(t){let e=t;if("string"==typeof t&&(e=document.getElementById(t),!e))throw Error(`The element with ID "${t}" could not be found.`);return e}function Os(t,e){Ds&&((e=e||{}).renderToMarkup=e.renderToMarkup||zs,e.renderToMathML=e.renderToMathML||Es,e.renderToSpeakableText=e.renderToSpeakableText||qs,e.macros=e.macros||wt.MACROS,Ds.renderMathInElement(Bs(t),e))}function Rs(t){if(t.namespace){if(!/^[a-z]+[-]?$/.test(t.namespace))throw Error("options.namespace must be a string of lowercase characters only");/-$/.test(t.namespace)||(t.namespace+="-")}}const Ks={latexToMarkup:zs,latexToMathML:Es,latexToSpeakableText:qs,latexToAST:function(t,e){if(!Yt.toAST)return{};(e=e||{}).macros=e.macros||{},Object.assign(e.macros,wt.MACROS);const i=le.parseTokens(n(t),"math",null,e.macros);return Yt.toAST(i,e)},astToLatex:function(t,e){return hs(t,e)},makeMathField:function(t,e){if(!As)throw Error("The MathField module is not loaded.");return(e=e||{}).handleSpeak=e.handleSpeak||Is,e.handleReadAloud=e.handleReadAloud||Ps,new As.MathField(Bs(t),e)},renderMathInDocument:function(t){Os(document.body,t)},renderMathInElement:Os,revertToOriginalContent:function(t,e){(t=(t=Bs(t)).children[1])instanceof As.MathField?t.revertToOriginalContent():(Rs(e=e||{}),t.innerHTML=t.getAttribute("data-"+(e.namespace||"")+"original-content"))},getOriginalContent:function(t,e){return(t=(t=Bs(t)).children[1])instanceof As.MathField?t.originalContent:(Rs(e=e||{}),t.getAttribute("data-"+(e.namespace||"")+"original-content"))},readAloud:Ps,readAloudStatus:function(){return window?(window.mathlive=window.mathlive||{},window.mathlive.readAloudAudio?window.mathlive.readAloudAudio.paused?"paused":window.mathlive.readAloudAudio.ended?"ready":"playing":"ready"):"unavailable"},pauseReadAloud:function(){window&&(window.mathlive=window.mathlive||{},window.mathlive.readAloudAudio&&(window.mathlive.onReadAloudStatus&&window.mathlive.onReadAloudStatus(window.mathlive.readAloudMathField,"paused"),window.mathlive.readAloudAudio.pause()))},resumeReadAloud:function(){window&&(window.mathlive=window.mathlive||{},window.mathlive.readAloudAudio&&(window.mathlive.onReadAloudStatus&&window.mathlive.onReadAloudStatus(window.mathlive.readAloudMathField,"playing"),window.mathlive.readAloudAudio.play()))},playReadAloud:function(t,e){if(window&&(window.mathlive=window.mathlive||{},window.mathlive.readAloudAudio)){let i=0;if(window.mathlive.readAloudFinalToken=null,t){window.mathlive.readAloudMarks=window.mathlive.readAloudMarks||[];for(const e of window.mathlive.readAloudMarks)e.value===t&&(i=e.time/1e3);let s=window.mathlive.readAloudTokens.indexOf(t);s>=0&&(s+=e,s<window.mathlive.readAloudTokens.length&&(window.mathlive.readAloudFinalToken=s))}window.mathlive.readAloudAudio.currentTime=i,window.mathlive.onReadAloudStatus&&window.mathlive.onReadAloudStatus(window.mathlive.readAloudMathField,"playing"),window.mathlive.readAloudAudio.play()}}};export default Ks;
diff --git a/dist/src/core/definitions.js b/dist/src/core/definitions.js
index 04061fae8..a9c3650a8 100644
--- a/dist/src/core/definitions.js
+++ b/dist/src/core/definitions.js
@@ -3625,16 +3625,16 @@ const COMMAND_MODE_CHARACTERS = /[a-zA-Z0-9!@*()-=+{}[\]\\';:?/.,~<>`|'$%#&^_" ]
 // (https://bugzilla.mozilla.org/show_bug.cgi?id=1361876). Booo...
 // See also https://stackoverflow.com/questions/26133593/using-regex-to-match-international-unicode-alphanumeric-characters-in-javascript
 const LETTER =
-    typeof navigator !== 'undefined' &&
-    /firefox|edge/i.test(navigator.userAgent)
-        ? /[a-zA-ZаАбБвВгГдДеЕёЁжЖзЗиИйЙкКлЛмМнНоОпПрРсСтТуУфФхХцЦчЧшШщЩъЪыЫьЬэЭюЮяĄąĆćĘꣳŃńÓ󌜏źŻżàâäôéèëêïîçùûüÿæœÀÂÄÔÉÈËÊÏΟÇÙÛÜÆŒäöüßÄÖÜẞàèéìíîòóùúÀÈÉÌÍÎÒÓÙÚáéíñóúüÁÉÍÑÓÚÜ]/
-        : new RegExp('\\p{Letter}', 'u');
+    // typeof navigator !== 'undefined' &&
+    // /firefox|edge/i.test(navigator.userAgent) ?
+    /[a-zA-ZаАбБвВгГдДеЕёЁжЖзЗиИйЙкКлЛмМнНоОпПрРсСтТуУфФхХцЦчЧшШщЩъЪыЫьЬэЭюЮяĄąĆćĘꣳŃńÓ󌜏źŻżàâäôéèëêïîçùûüÿæœÀÂÄÔÉÈËÊÏΟÇÙÛÜÆŒäöüßÄÖÜẞàèéìíîòóùúÀÈÉÌÍÎÒÓÙÚáéíñóúüÁÉÍÑÓÚÜ]/;
+//    : new RegExp('\\p{Letter}', 'u');
 
 const LETTER_AND_DIGITS =
-    typeof navigator !== 'undefined' &&
-    /firefox|edge/i.test(navigator.userAgent)
-        ? /[0-9a-zA-ZаАбБвВгГдДеЕёЁжЖзЗиИйЙкКлЛмМнНоОпПрРсСтТуУфФхХцЦчЧшШщЩъЪыЫьЬэЭюЮяĄąĆćĘꣳŃńÓ󌜏źŻżàâäôéèëêïîçùûüÿæœÀÂÄÔÉÈËÊÏΟÇÙÛÜÆŒäöüßÄÖÜẞàèéìíîòóùúÀÈÉÌÍÎÒÓÙÚáéíñóúüÁÉÍÑÓÚÜ]/
-        : new RegExp('[0-9\\p{Letter}]', 'u');
+    // typeof navigator !== 'undefined' &&
+    // /firefox|edge/i.test(navigator.userAgent) ?
+    /[0-9a-zA-ZаАбБвВгГдДеЕёЁжЖзЗиИйЙкКлЛмМнНоОпПрРсСтТуУфФхХцЦчЧшШщЩъЪыЫьЬэЭюЮяĄąĆćĘꣳŃńÓ󌜏źŻżàâäôéèëêïîçùûüÿæœÀÂÄÔÉÈËÊÏΟÇÙÛÜÆŒäöüßÄÖÜẞàèéìíîòóùúÀÈÉÌÍÎÒÓÙÚáéíñóúüÁÉÍÑÓÚÜ]/;
+//    : new RegExp('[0-9\\p{Letter}]', 'u');
 
 export default {
     matchCodepoint,
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 9d0116735..e564fe3b3 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -3626,57 +3626,6 @@
             "integrity": "sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk=",
             "dev": true
         },
-        "cliui": {
-            "version": "6.0.0",
-            "resolved": "https://registry.npmjs.org/cliui/-/cliui-6.0.0.tgz",
-            "integrity": "sha512-t6wbgtoCXvAzst7QgXxJYqPt0usEfbgQdftEPbLL/cvv6HPE5VgvqCuAIDR0NgU52ds6rFwqrgakNLrHEjCbrQ==",
-            "dev": true,
-            "requires": {
-                "string-width": "^4.2.0",
-                "strip-ansi": "^6.0.0",
-                "wrap-ansi": "^6.2.0"
-            },
-            "dependencies": {
-                "ansi-regex": {
-                    "version": "5.0.0",
-                    "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.0.tgz",
-                    "integrity": "sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg==",
-                    "dev": true
-                },
-                "emoji-regex": {
-                    "version": "8.0.0",
-                    "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
-                    "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==",
-                    "dev": true
-                },
-                "is-fullwidth-code-point": {
-                    "version": "3.0.0",
-                    "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
-                    "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==",
-                    "dev": true
-                },
-                "string-width": {
-                    "version": "4.2.0",
-                    "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.0.tgz",
-                    "integrity": "sha512-zUz5JD+tgqtuDjMhwIg5uFVV3dtqZ9yQJlZVfq4I01/K5Paj5UHj7VyrQOJvzawSVlKpObApbfD0Ed6yJc+1eg==",
-                    "dev": true,
-                    "requires": {
-                        "emoji-regex": "^8.0.0",
-                        "is-fullwidth-code-point": "^3.0.0",
-                        "strip-ansi": "^6.0.0"
-                    }
-                },
-                "strip-ansi": {
-                    "version": "6.0.0",
-                    "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.0.tgz",
-                    "integrity": "sha512-AuvKTrTfQNYNIctbR1K/YGTR1756GycPsg7b9bdV9Duqur4gv6aKqHXah67Z8ImS7WEz5QVcOtlfW2rZEugt6w==",
-                    "dev": true,
-                    "requires": {
-                        "ansi-regex": "^5.0.0"
-                    }
-                }
-            }
-        },
         "clone": {
             "version": "2.1.2",
             "resolved": "https://registry.npmjs.org/clone/-/clone-2.1.2.tgz",
@@ -5622,17 +5571,6 @@
             "integrity": "sha512-r8EC6NO1sngH/zdD9fiRDLdcgnbayXah+mLgManTaIZJqEC1MZstmnox8KpnI2/fxQwrp5OpCOYWLp4rBl4Jcg==",
             "dev": true
         },
-        "cliui": {
-          "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
-          "integrity": "sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==",
-          "dev": true,
-          "requires": {
-            "string-width": "^3.1.0",
-            "strip-ansi": "^5.2.0",
-            "wrap-ansi": "^5.1.0"
-          }
-        },
         "get-caller-file": {
             "version": "2.0.5",
             "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
@@ -11660,6 +11598,17 @@
                     "integrity": "sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg==",
                     "dev": true
                 },
+                "cliui": {
+                    "version": "6.0.0",
+                    "resolved": "https://registry.npmjs.org/cliui/-/cliui-6.0.0.tgz",
+                    "integrity": "sha512-t6wbgtoCXvAzst7QgXxJYqPt0usEfbgQdftEPbLL/cvv6HPE5VgvqCuAIDR0NgU52ds6rFwqrgakNLrHEjCbrQ==",
+                    "dev": true,
+                    "requires": {
+                        "string-width": "^4.2.0",
+                        "strip-ansi": "^6.0.0",
+                        "wrap-ansi": "^6.2.0"
+                    }
+                },
                 "emoji-regex": {
                     "version": "8.0.0",
                     "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",