From ef064de97a703cbda9542a6175cd3921690b6610 Mon Sep 17 00:00:00 2001
From: 3y3 <3y3@ya.ru>
Date: Tue, 3 Sep 2024 02:36:02 +0300
Subject: [PATCH] fix: Fix heading anchors handling

---
 src/consumer/index.ts                         |  21 +--
 src/consumer/split.ts                         |  32 ++--
 src/consumer/utils.ts                         | 156 ++++++++++++++++--
 .../__snapshots__/index.spec.ts.snap          | 119 +++++++++----
 src/integration/index.spec.ts                 |   8 +-
 5 files changed, 258 insertions(+), 78 deletions(-)

diff --git a/src/consumer/index.ts b/src/consumer/index.ts
index 01a810f..cfaf6ca 100644
--- a/src/consumer/index.ts
+++ b/src/consumer/index.ts
@@ -1,5 +1,3 @@
-import {token} from 'src/utils';
-
 import {dropUselessTokens, eruler, gobble} from './utils';
 import {split} from './split';
 import {CriticalProcessingError} from './error';
@@ -115,27 +113,10 @@ export class Consumer {
     };
 
     consume = (part: Token[], past?: string) => {
-        let [before, tokens, after] = dropUselessTokens(part);
-
-        if (!this.compact && tokens.length) {
-            [before, tokens, after] = [[], part, []];
-        }
+        const [before, tokens, after] = dropUselessTokens(part, !this.compact);
 
         this.drop(before);
 
-        if (tokens.length === 1) {
-            // If single contentful token is something like liquid variable
-            // then this token is useless for translation.
-            if (tokens[0].type === 'liquid') {
-                after = tokens.concat(after);
-                tokens = [];
-            } else if (tokens[0].type !== 'text') {
-                tokens[0] = token('text', {
-                    content: tokens[0].content,
-                });
-            }
-        }
-
         if (tokens.length) {
             // erule has side effects and can modify tokens content
             // so we need to generate xliff only after original content replacement
diff --git a/src/consumer/split.ts b/src/consumer/split.ts
index 53bc394..78eceb6 100644
--- a/src/consumer/split.ts
+++ b/src/consumer/split.ts
@@ -3,30 +3,38 @@ import {sentenize} from '@diplodoc/sentenizer';
 import {token} from 'src/utils';
 import {mtre} from 'src/symbols';
 
-import {eruler, firstContentful, gobble, lastContentful} from './utils';
+import {eruler, gobble, head, splitByContent, tail} from './utils';
 
 const hasContent = (token: Token) => token.content || (token.markup && !token.skip);
 
 export function trim(part: Token[]) {
-    const [first, iFirst] = firstContentful(part);
-    if (first) {
-        part[iFirst] = token(first.type, {
+    const [before, tokens, after] = splitByContent(part);
+
+    if (!tokens.length) {
+        return part;
+    }
+
+    const first = head(tokens) as Token;
+    head(
+        tokens,
+        token(first.type, {
             ...first,
             content: first.content.trimStart(),
             generated: (first.generated || '') + '|trimStart',
-        });
-    }
+        }),
+    );
 
-    const [last, iLast] = lastContentful(part);
-    if (last) {
-        part[iLast] = token(last.type, {
+    const last = tail(tokens) as Token;
+    tail(
+        tokens,
+        token(last.type, {
             ...last,
             content: last.content.trimEnd(),
             generated: (last.generated || '') + '|trimEnd',
-        });
-    }
+        }),
+    );
 
-    return part;
+    return [...before, ...tokens, ...after];
 }
 
 function exclude(content: string, tokens: Token[]) {
diff --git a/src/consumer/utils.ts b/src/consumer/utils.ts
index ef5c4c6..032d0bb 100644
--- a/src/consumer/utils.ts
+++ b/src/consumer/utils.ts
@@ -62,28 +62,152 @@ export const gobble: Gobbler<Token> = (content, [start, end], token, i) => {
     return [-1, -1];
 };
 
-const reflink = (token: Token) => token.reflink;
-const isContentful = (token: Token) => !reflink(token) && token.content.replace(mtre, '')?.trim();
+function isContentful(token: Token) {
+    return Boolean(token.content.replace(mtre, '')?.trim());
+}
 
-export const firstContentful = (tokens: Token[]): [null | Token, number] => {
-    const index = tokens.findIndex(isContentful);
+function isTranslatable(token: Token) {
+    return Boolean(isContentful(token) && token.type !== 'liquid');
+}
 
-    return index > -1 ? [tokens[index], index] : [null, -1];
-};
-export const lastContentful = (tokens: Token[]): [null | Token, number] => {
-    // @ts-ignore
-    const index = tokens.findLastIndex(isContentful);
+export function dropUselessTokens(tokens: Token[], accurate = false) {
+    if (accurate) {
+        const grouped = groupUselessTokens(tokens);
+
+        if (grouped) {
+            return splitByContent(grouped, isTranslatable);
+        }
+    }
 
-    return index > -1 ? [tokens[index], index] : [null, -1];
+    return splitByContent(tokens, isTranslatable);
+}
+
+type TokenGroup = {
+    role: string;
+    type: string;
+    child: (Token | TokenGroup)[];
+    parent?: TokenGroup;
 };
 
-export function dropUselessTokens(tokens: Token[]) {
-    const [, first] = firstContentful(tokens);
-    const [, last] = lastContentful(tokens);
+export function head(tokens: (TokenGroup | Token)[], value?: TokenGroup | Token) {
+    if (value) {
+        tokens[0] = value;
+    }
+
+    return tokens[0];
+}
+
+export function tail(tokens: (TokenGroup | Token)[], value?: TokenGroup | Token) {
+    if (value) {
+        tokens[tokens.length - 1] = value;
+    }
+
+    return tokens[tokens.length - 1];
+}
+
+function matchGroup(token: Token) {
+    const match = /(.*?)_(open|close)/.exec(token.type);
+
+    return match
+        ? {
+              type: match[1],
+              kind: match[2],
+          }
+        : null;
+}
+
+function isGroup(token: Token | TokenGroup): token is TokenGroup {
+    return 'role' in token && token.role === 'group';
+}
+
+function groupUselessTokens(tokens: Token[]): (Token | TokenGroup)[] | null {
+    const tree = {role: 'group', type: 'root', child: []};
+
+    let group: TokenGroup = tree;
+    for (const token of tokens) {
+        const match = matchGroup(token);
+        if (match) {
+            if (match.kind === 'open') {
+                group.child.push(
+                    (group = {
+                        role: 'group',
+                        type: match.type,
+                        child: [token],
+                        parent: group,
+                    }),
+                );
+            } else if (group.type === match.type) {
+                group.child.push(token);
+                group = group.parent as TokenGroup;
+            } else {
+                return null;
+            }
+        } else {
+            group.child.push(token);
+        }
+    }
+
+    return tree.child;
+}
+
+export function splitByContent(grouped: (Token | TokenGroup)[], hasContent = isContentful) {
+    const before: Token[] = [];
+    const content: Token[] = [];
+    const after: Token[] = [];
+
+    let contentful = false;
+    let action = shift;
+    // shift -> pop -> end
+    while (action) {
+        action = action();
+    }
+
+    return contentful ? [before, content, after] : [before.concat(content), [], after];
+
+    // consumes all useless tokens before content
+    function shift() {
+        const token = head(grouped);
+        if (!token || isGroup(token) || isContentful(token)) {
+            return pop;
+        }
+
+        before.push(grouped.shift() as Token);
 
-    if (first === -1) {
-        return [tokens, [], []];
+        return shift;
     }
 
-    return [tokens.slice(0, first), tokens.slice(first, last + 1), tokens.slice(last + 1)];
+    // consumes all useless tokens after content
+    function pop() {
+        const token = tail(grouped);
+        if (!token || isGroup(token) || isContentful(token)) {
+            return end;
+        }
+
+        after.unshift(grouped.pop() as Token);
+
+        return pop;
+    }
+
+    // ungroup grouped content
+    // counts if content is really useful
+    function end() {
+        const token = grouped.shift();
+        if (!token) {
+            return;
+        }
+
+        if (isGroup(token)) {
+            grouped.unshift(...token.child);
+
+            return end;
+        }
+
+        if (hasContent(token)) {
+            contentful = true;
+        }
+
+        content.push(token as Token);
+
+        return end;
+    }
 }
diff --git a/src/integration/__snapshots__/index.spec.ts.snap b/src/integration/__snapshots__/index.spec.ts.snap
index 59baa19..613a824 100644
--- a/src/integration/__snapshots__/index.spec.ts.snap
+++ b/src/integration/__snapshots__/index.spec.ts.snap
@@ -226,7 +226,10 @@ exports[`integration computes valid sentenses: skeleton expr 1`] = `
 %%%2_s-3%%% %%%3_s-5%%%"
 `;
 
-exports[`integration computes valid sentenses: skeleton main 1`] = `"%%%0%%%%%%1%%% %%%2%%%"`;
+exports[`integration computes valid sentenses: skeleton main 1`] = `
+"%%%0%%%
+%%%1%%% %%%2%%%"
+`;
 
 exports[`integration computes valid sentenses: xliff expr 1`] = `
 "<?xml version=\\"1.0\\" encoding=\\"utf-8\\"?>
@@ -263,8 +266,7 @@ exports[`integration computes valid sentenses: xliff main 1`] = `
     </header>
     <body>
       <trans-unit id=\\"0\\">
-        <source xml:space=\\"preserve\\">Записывает или удаляет элементы из таблиц.<x ctype=\\"lb\\" equiv-text=\\"
-\\" id=\\"g-test\\"/></source>
+        <source xml:space=\\"preserve\\">Записывает или удаляет элементы из таблиц.</source>
       </trans-unit>
       <trans-unit id=\\"1\\">
         <source xml:space=\\"preserve\\">Один вызов может записать до 16 Мб данных, что может включать до 25 запросов на размещение или удаление.</source>
@@ -281,6 +283,7 @@ exports[`integration handles &nbsp; in lists: skeleton expr 1`] = `"- %%%1%%%"`;
 
 exports[`integration handles &nbsp; in lists: skeleton main 1`] = `
 "- %%%0%%%
+   
     %%%1%%%"
 `;
 
@@ -313,8 +316,7 @@ exports[`integration handles &nbsp; in lists: xliff main 1`] = `
     </header>
     <body>
       <trans-unit id=\\"0\\">
-        <source xml:space=\\"preserve\\">Some text<x ctype=\\"lb\\" equiv-text=\\"
-  \\" id=\\"g-test\\"/> </source>
+        <source xml:space=\\"preserve\\">Some text</source>
       </trans-unit>
       <trans-unit id=\\"1\\">
         <source xml:space=\\"preserve\\">Some other text</source>
@@ -387,9 +389,11 @@ exports[`integration handles blockquotes: skeleton expr 1`] = `
 `;
 
 exports[`integration handles blockquotes: skeleton main 1`] = `
-"> %%%0%%%> %%%1%%%
+"> %%%0%%%
+> %%%1%%%
 >
-> > %%%2%%%> > %%%3%%%
+> > %%%2%%%
+> > %%%3%%%
 >
 > %%%4%%%"
 `;
@@ -416,15 +420,13 @@ exports[`integration handles blockquotes: xliff main 1`] = `
     </header>
     <body>
       <trans-unit id=\\"0\\">
-        <source xml:space=\\"preserve\\">1<x ctype=\\"lb\\" equiv-text=\\"
-\\" id=\\"g-test\\"/></source>
+        <source xml:space=\\"preserve\\">1</source>
       </trans-unit>
       <trans-unit id=\\"1\\">
         <source xml:space=\\"preserve\\">2</source>
       </trans-unit>
       <trans-unit id=\\"2\\">
-        <source xml:space=\\"preserve\\">3<x ctype=\\"lb\\" equiv-text=\\"
-\\" id=\\"g-test\\"/></source>
+        <source xml:space=\\"preserve\\">3</source>
       </trans-unit>
       <trans-unit id=\\"3\\">
         <source xml:space=\\"preserve\\">4</source>
@@ -587,7 +589,10 @@ exports[`integration handles empty image in list: skeleton expr 1`] = `
  ![](../_assets/stat-segment.png)"
 `;
 
-exports[`integration handles empty image in list: skeleton main 1`] = `"1. %%%0%%% ![](../_assets/stat-segment.png)"`;
+exports[`integration handles empty image in list: skeleton main 1`] = `
+"1. %%%0%%%
+ ![](../_assets/stat-segment.png)"
+`;
 
 exports[`integration handles empty image in list: xliff expr 1`] = `
 "<?xml version=\\"1.0\\" encoding=\\"utf-8\\"?>
@@ -618,8 +623,7 @@ exports[`integration handles empty image in list: xliff main 1`] = `
     </header>
     <body>
       <trans-unit id=\\"0\\">
-        <source xml:space=\\"preserve\\"><g ctype=\\"bold\\" equiv-text=\\"**{{text}}**\\" id=\\"g-test\\" x-begin=\\"**\\" x-end=\\"**\\">A</g>.<x ctype=\\"lb\\" equiv-text=\\"
-\\" id=\\"g-test\\"/></source>
+        <source xml:space=\\"preserve\\"><g ctype=\\"bold\\" equiv-text=\\"**{{text}}**\\" id=\\"g-test\\" x-begin=\\"**\\" x-end=\\"**\\">A</g>.</source>
       </trans-unit>
     </body>
   </file>
@@ -744,9 +748,63 @@ exports[`integration handles empty links: xliff main 1`] = `
 </xliff>"
 `;
 
+exports[`integration handles heading anchors: skeleton expr 1`] = `
+"# %%%1%%%
+
+## %%%2%%%"
+`;
+
+exports[`integration handles heading anchors: skeleton main 1`] = `
+"# %%%0%%%
+
+## %%%1%%% {#heading_2}"
+`;
+
+exports[`integration handles heading anchors: xliff expr 1`] = `
+"<?xml version=\\"1.0\\" encoding=\\"utf-8\\"?>
+<xliff xmlns=\\"urn:oasis:names:tc:xliff:document:1.2\\" version=\\"1.2\\">
+    <file original=\\"file.ext\\" source-language=\\"ru-RU\\" target-language=\\"en-US\\" datatype=\\"markdown\\">
+        <header>
+            <skeleton>
+                <external-file href=\\"file.skl\\"></external-file>
+            </skeleton>
+        </header>
+        <body>
+            <trans-unit id=\\"1\\">
+                <source xml:space=\\"preserve\\">Заголовок 1</source>
+            </trans-unit>
+            <trans-unit id=\\"2\\">
+                <source xml:space=\\"preserve\\">Заголовок 2 <x equiv-text=\\"{#heading_2}\\" id=\\"e1\\" x-type=\\"attr_anchor\\" /></source>
+            </trans-unit>
+        </body>
+    </file>
+</xliff>"
+`;
+
+exports[`integration handles heading anchors: xliff main 1`] = `
+"<?xml version=\\"1.0\\" encoding=\\"UTF-8\\"?>
+<xliff xmlns=\\"urn:oasis:names:tc:xliff:document:1.2\\" version=\\"1.2\\">
+  <file original=\\"file.ext\\" source-language=\\"ru-RU\\" target-language=\\"en-US\\" datatype=\\"markdown\\">
+    <header>
+      <skeleton>
+        <external-file href=\\"file.skl\\"></external-file>
+      </skeleton>
+    </header>
+    <body>
+      <trans-unit id=\\"0\\">
+        <source xml:space=\\"preserve\\">Заголовок 1</source>
+      </trans-unit>
+      <trans-unit id=\\"1\\">
+        <source xml:space=\\"preserve\\">Заголовок 2</source>
+      </trans-unit>
+    </body>
+  </file>
+</xliff>"
+`;
+
 exports[`integration handles html line breaks: skeleton expr 1`] = `"%%%1_s-1%%%<br/>%%%2_s-3%%%"`;
 
-exports[`integration handles html line breaks: skeleton main 1`] = `"%%%0%%%<br/>%%%1%%%"`;
+exports[`integration handles html line breaks: skeleton main 1`] = `"%%%0%%%<br/><br/>%%%1%%%"`;
 
 exports[`integration handles html line breaks: xliff expr 1`] = `
 "<?xml version=\\"1.0\\" encoding=\\"utf-8\\"?>
@@ -782,7 +840,7 @@ exports[`integration handles html line breaks: xliff main 1`] = `
       <trans-unit id=\\"0\\">
         <source xml:space=\\"preserve\\"><g ctype=\\"image\\" equiv-text=\\"![{{text}}](../image.png)\\" id=\\"g-test\\" x-begin=\\"![\\" x-end=\\"](../image.png)\\"></g><x ctype=\\"lb\\" equiv-text=\\"
 \\" id=\\"g-test\\"/>|<x ctype=\\"lb\\" equiv-text=\\"
-\\" id=\\"g-test\\"/><g ctype=\\"link\\" equiv-text=\\"[{{text}}](https://link.html?sku_id=12000038372920468)\\" id=\\"g-test\\" x-begin=\\"[\\" x-end=\\"](https://link.html?sku_id=12000038372920468)\\"><g ctype=\\"bold\\" equiv-text=\\"**{{text}}**\\" id=\\"g-test\\" x-begin=\\"**\\" x-end=\\"**\\">Moes</g> | Matter</g><x ctype=\\"html_inline\\" equiv-text=\\"&lt;br/&gt;\\" id=\\"g-test\\"/></source>
+\\" id=\\"g-test\\"/><g ctype=\\"link\\" equiv-text=\\"[{{text}}](https://link.html?sku_id=12000038372920468)\\" id=\\"g-test\\" x-begin=\\"[\\" x-end=\\"](https://link.html?sku_id=12000038372920468)\\"><g ctype=\\"bold\\" equiv-text=\\"**{{text}}**\\" id=\\"g-test\\" x-begin=\\"**\\" x-end=\\"**\\">Moes</g> | Matter</g></source>
       </trans-unit>
       <trans-unit id=\\"1\\">
         <source xml:space=\\"preserve\\">Moes Matter<x ctype=\\"lb\\" equiv-text=\\"
@@ -1120,7 +1178,7 @@ exports[`integration handles link with empty title at the end of segment: xliff
 
 exports[`integration handles link with image with variables in title: skeleton expr 1`] = `"%%%1%%%"`;
 
-exports[`integration handles link with image with variables in title: skeleton main 1`] = `"%%%2%%% %%%3%%%"`;
+exports[`integration handles link with image with variables in title: skeleton main 1`] = `"%%%4%%%"`;
 
 exports[`integration handles link with image with variables in title: xliff expr 1`] = `
 "<?xml version=\\"1.0\\" encoding=\\"utf-8\\"?>
@@ -1133,7 +1191,7 @@ exports[`integration handles link with image with variables in title: xliff expr
         </header>
         <body>
             <trans-unit id=\\"1\\">
-                <source xml:space=\\"preserve\\"><g equiv-text=\\"[{{text}})\\" id=\\"e1\\" ctype=\\"link\\" x-type=\\"link\\" x-begin=\\"[\\" x-end=\\")\\">![Image](index-mini.md &quot;Title <x equiv-text=\\"{{product-name-short.station-mini-old}}\\" id=\\"e2\\" x-type=\\"liquid_variable\\" />. And what?&quot; x100)<g equiv-text=\\"](index-mini.md &quot;{{text}}&quot;\\" id=\\"e3\\" x-type=\\"link_title\\" x-begin=\\"](index-mini.md &quot;\\" x-end=\\"&quot;\\">Title <x equiv-text=\\"{{product-name-short.station-mini-old}}\\" id=\\"e4\\" x-type=\\"liquid_variable\\" />. And what?</g></g></source>
+                <source xml:space=\\"preserve\\"><g equiv-text=\\"[{{text}})\\" id=\\"e1\\" ctype=\\"link\\" x-type=\\"link\\" x-begin=\\"[\\" x-end=\\")\\"><g equiv-text=\\"![{{text}} =x100)\\" id=\\"e2\\" ctype=\\"image\\" x-type=\\"image\\" x-begin=\\"![\\" x-end=\\" =x100)\\"><x equiv-text=\\"Image\\" id=\\"e3\\" x-type=\\"image_name\\" /><g equiv-text=\\"](index-mini.md &quot;{{text}}&quot;\\" id=\\"e4\\" x-type=\\"image_title\\" x-begin=\\"](index-mini.md &quot;\\" x-end=\\"&quot;\\">Title <x equiv-text=\\"{{product-name-short.station-mini-old}}\\" id=\\"e5\\" x-type=\\"liquid_variable\\" />. And what?</g></g><g equiv-text=\\"](index-mini.md &quot;{{text}}&quot;\\" id=\\"e8\\" x-type=\\"link_title\\" x-begin=\\"](index-mini.md &quot;\\" x-end=\\"&quot;\\">Title <x equiv-text=\\"{{product-name-short.station-mini-old}}\\" id=\\"e9\\" x-type=\\"liquid_variable\\" />. And what?</g></g></source>
             </trans-unit>
         </body>
     </file>
@@ -1157,10 +1215,13 @@ exports[`integration handles link with image with variables in title: xliff main
         <source xml:space=\\"preserve\\">And what?</source>
       </trans-unit>
       <trans-unit id=\\"2\\">
-        <source xml:space=\\"preserve\\"><x ctype=\\"link_text_part_open\\" equiv-text=\\"[\\" id=\\"g-test\\"/>![Image](index-mini.md &quot;Title <x ctype=\\"liquid_Variable\\" equiv-text=\\"{{product-name-short.station-mini-old}}\\" id=\\"g-test\\"/>.</source>
+        <source xml:space=\\"preserve\\">Title <x ctype=\\"liquid_Variable\\" equiv-text=\\"{{product-name-short.station-mini-old}}\\" id=\\"g-test\\"/>.</source>
       </trans-unit>
       <trans-unit id=\\"3\\">
-        <source xml:space=\\"preserve\\">And what?&quot; x100)<x ctype=\\"link_text_part_close\\" equiv-text=\\"]\\" id=\\"g-test\\"/><x ctype=\\"link_attributes_part_open\\" equiv-text=\\"(\\" id=\\"g-test\\"/><x ctype=\\"link_attributes_href\\" equiv-text=\\"index-mini.md\\" id=\\"g-test\\"/><x ctype=\\"link_attributes_title\\" equiv-text=\\"%%%0%%% %%%1%%%\\" id=\\"g-test\\"/><x ctype=\\"link_attributes_part_close\\" equiv-text=\\")\\" id=\\"g-test\\"/></source>
+        <source xml:space=\\"preserve\\">And what?</source>
+      </trans-unit>
+      <trans-unit id=\\"4\\">
+        <source xml:space=\\"preserve\\"><g ctype=\\"link\\" equiv-text=\\"[{{text}}](index-mini.md &quot;%%%2%%% %%%3%%%&quot;)\\" id=\\"g-test\\" x-begin=\\"[\\" x-end=\\"](index-mini.md &quot;%%%2%%% %%%3%%%&quot;)\\"><g ctype=\\"image\\" equiv-text=\\"![{{text}}](index-mini.md &quot;%%%0%%% %%%1%%%&quot; =x100)\\" id=\\"g-test\\" x-begin=\\"![\\" x-end=\\"](index-mini.md &quot;%%%0%%% %%%1%%%&quot; =x100)\\">Image</g></g></source>
       </trans-unit>
     </body>
   </file>
@@ -1406,7 +1467,8 @@ exports[`integration handles self closing html tags: skeleton expr 1`] = `
 exports[`integration handles self closing html tags: skeleton main 1`] = `
 "# %%%0%%%
 
-%%%1%%%%%%2%%%
+%%%1%%%
+%%%2%%%
 
 <keyword keyref=\\"responce\\"/>
 
@@ -1459,8 +1521,7 @@ exports[`integration handles self closing html tags: xliff main 1`] = `
         <source xml:space=\\"preserve\\">Header</source>
       </trans-unit>
       <trans-unit id=\\"1\\">
-        <source xml:space=\\"preserve\\">A a.<x ctype=\\"lb\\" equiv-text=\\"
-\\" id=\\"g-test\\"/></source>
+        <source xml:space=\\"preserve\\">A a.</source>
       </trans-unit>
       <trans-unit id=\\"2\\">
         <source xml:space=\\"preserve\\">B b.</source>
@@ -1533,7 +1594,8 @@ exports[`integration handles terms: skeleton expr 1`] = `
 exports[`integration handles terms: skeleton main 1`] = `
 "%%%0%%%
 
-[*term]: %%%1%%%%%%2%%%"
+[*term]: %%%1%%%
+%%%2%%%"
 `;
 
 exports[`integration handles terms: xliff expr 1`] = `
@@ -1574,8 +1636,7 @@ exports[`integration handles terms: xliff main 1`] = `
         <source xml:space=\\"preserve\\">Some <g ctype=\\"link\\" equiv-text=\\"[{{text}}](*term)\\" id=\\"g-test\\" x-begin=\\"[\\" x-end=\\"](*term)\\">term</g></source>
       </trans-unit>
       <trans-unit id=\\"1\\">
-        <source xml:space=\\"preserve\\">Some multiline term.<x ctype=\\"lb\\" equiv-text=\\"
-\\" id=\\"g-test\\"/></source>
+        <source xml:space=\\"preserve\\">Some multiline term.</source>
       </trans-unit>
       <trans-unit id=\\"2\\">
         <source xml:space=\\"preserve\\">Here.</source>
@@ -1649,7 +1710,8 @@ exports[`integration handles wrond ordered terms: skeleton main 1`] = `
 "%%%0%%%
 
 [*term]: 
-    %%%1%%%    %%%2%%%"
+    %%%1%%%
+    %%%2%%%"
 `;
 
 exports[`integration handles wrond ordered terms: xliff expr 1`] = `
@@ -1690,8 +1752,7 @@ exports[`integration handles wrond ordered terms: xliff main 1`] = `
         <source xml:space=\\"preserve\\">Some <g ctype=\\"link\\" equiv-text=\\"[{{text}}](*term)\\" id=\\"g-test\\" x-begin=\\"[\\" x-end=\\"](*term)\\">term</g></source>
       </trans-unit>
       <trans-unit id=\\"1\\">
-        <source xml:space=\\"preserve\\">Some multiline term.<x ctype=\\"lb\\" equiv-text=\\"
-\\" id=\\"g-test\\"/></source>
+        <source xml:space=\\"preserve\\">Some multiline term.</source>
       </trans-unit>
       <trans-unit id=\\"2\\">
         <source xml:space=\\"preserve\\">Here.</source>
diff --git a/src/integration/index.spec.ts b/src/integration/index.spec.ts
index 7c4f3d2..ac74dc2 100644
--- a/src/integration/index.spec.ts
+++ b/src/integration/index.spec.ts
@@ -274,7 +274,7 @@ test('handles image with variables in title')`
 `;
 
 test('handles link with image with variables in title')`
-  [![Image](index-mini.md "Title {{product-name-short.station-mini-old}}. And what?" x100)](index-mini.md "Title {{product-name-short.station-mini-old}}. And what?")
+  [![Image](index-mini.md "Title {{product-name-short.station-mini-old}}. And what?" =x100)](index-mini.md "Title {{product-name-short.station-mini-old}}. And what?")
 `;
 
 test('handles empty link in list')`
@@ -339,3 +339,9 @@ test('handles html line breaks')`
     [**Moes** | Matter](https://link.html?sku_id=12000038372920468)<br/><br/>Moes Matter
     |
 `;
+
+test('handles heading anchors')`
+    # Заголовок 1
+
+    ## Заголовок 2 {#heading_2}
+`;