diff --git a/LICENSE b/LICENSE
index 2a40bdb19..0064af7a2 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2006-2020 Eddie Kohler
+Copyright (c) 2006-2021 Eddie Kohler
 Copyright (c) 2006-2008 Regents of the University of California
 
 Permission is hereby granted, free of charge, to any person obtaining a
diff --git a/assign.php b/assign.php
index f36a95183..587bc8259 100644
--- a/assign.php
+++ b/assign.php
@@ -1,6 +1,6 @@
 <?php
 // assign.php -- HotCRP per-paper assignment/conflict management page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 require_once("src/papertable.php");
diff --git a/autoassign.php b/autoassign.php
index 80dac8a80..caed9d1da 100644
--- a/autoassign.php
+++ b/autoassign.php
@@ -1,6 +1,6 @@
 <?php
 // autoassign.php -- HotCRP automatic paper assignment page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 if (!$Me->is_manager()) {
diff --git a/batch/cleandocstore.php b/batch/cleandocstore.php
index f1d522086..26b45fe46 100644
--- a/batch/cleandocstore.php
+++ b/batch/cleandocstore.php
@@ -1,6 +1,6 @@
 <?php
 // cleandocstore.php -- HotCRP maintenance script
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once(preg_replace('/\/batch\/[^\/]+/', '/src/siteloader.php', __FILE__));
 
diff --git a/batch/paperjson.php b/batch/paperjson.php
index 0857a857c..ad3152392 100644
--- a/batch/paperjson.php
+++ b/batch/paperjson.php
@@ -1,4 +1,7 @@
 <?php
+// paperjson.php -- HotCRP paper export script
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
+
 require_once(preg_replace('/\/batch\/[^\/]+/', '/src/siteloader.php', __FILE__));
 
 $arg = Getopt::rest($argv, "hn:t:N1", ["help", "name:", "type:", "sitename", "single"]);
diff --git a/batch/reviewcsv.php b/batch/reviewcsv.php
index 074b66416..f99692fcc 100644
--- a/batch/reviewcsv.php
+++ b/batch/reviewcsv.php
@@ -1,4 +1,7 @@
 <?php
+// reviewcsv.php -- HotCRP review export script
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
+
 require_once(preg_replace('/\/batch\/[^\/]+/', '/src/siteloader.php', __FILE__));
 
 $arg = Getopt::rest($argv, "hn:t:xwacN", ["help", "name:", "type:", "narrow", "wide", "all", "no-header", "comments", "sitename"]);
diff --git a/batch/saveusers.php b/batch/saveusers.php
index 273373717..921359118 100644
--- a/batch/saveusers.php
+++ b/batch/saveusers.php
@@ -1,4 +1,7 @@
 <?php
+// saveusers.php -- HotCRP maintenance script
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
+
 require_once(preg_replace('/\/batch\/[^\/]+/', '/src/siteloader.php', __FILE__));
 
 $arg = Getopt::rest($argv, "hn:e:u:r:", ["help", "name:", "no-email", "no-notify", "notify", "modify-only", "create-only", "no-modify", "no-create", "expression:", "expr:", "user:", "roles:", "uname:"]);
diff --git a/batch/search.php b/batch/search.php
index e3f69449f..9d582644a 100644
--- a/batch/search.php
+++ b/batch/search.php
@@ -1,4 +1,7 @@
 <?php
+// search.php -- HotCRP batch search script
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
+
 require_once(preg_replace('/\/batch\/[^\/]+/', '/src/siteloader.php', __FILE__));
 
 $arg = Getopt::rest($argv, "hn:t:f:N", ["help", "name:", "type:", "field:", "show:", "header", "no-header", "sitename"]);
diff --git a/batch/updatecontactdb.php b/batch/updatecontactdb.php
index 0f66af4ba..0dcfa012d 100644
--- a/batch/updatecontactdb.php
+++ b/batch/updatecontactdb.php
@@ -1,4 +1,7 @@
 <?php
+// updatecontactdb.php -- HotCRP maintenance script
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
+
 require_once(preg_replace('/\/batch\/[^\/]+/', '/src/siteloader.php', __FILE__));
 
 $arg = Getopt::rest($argv, "hn:pu", ["help", "name:", "papers", "users", "collaborators"]);
diff --git a/bulkassign.php b/bulkassign.php
index c2b12bd9d..ef347d8e4 100644
--- a/bulkassign.php
+++ b/bulkassign.php
@@ -1,6 +1,6 @@
 <?php
 // bulkassign.php -- HotCRP bulk paper assignment page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 if (!$Me->is_manager()) {
diff --git a/deadlines.php b/deadlines.php
index a47be23d8..bc1f69df8 100644
--- a/deadlines.php
+++ b/deadlines.php
@@ -1,6 +1,6 @@
 <?php
 // deadlines.php -- HotCRP deadline reporting page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 
diff --git a/lib/base.php b/lib/base.php
index b0c9a522e..8b5db94b0 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -1,6 +1,6 @@
 <?php
 // base.php -- HotCRP base helper functions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 /** @phan-file-suppress PhanRedefineFunction */
 
 // type helpers
diff --git a/lib/csv.php b/lib/csv.php
index 34030f264..91e21796f 100644
--- a/lib/csv.php
+++ b/lib/csv.php
@@ -1,6 +1,6 @@
 <?php
 // csv.php -- HotCRP CSV parsing functions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 if (!function_exists("gmp_init")) {
     require_once(SiteLoader::find("lib/polyfills.php"));
diff --git a/lib/dbl.php b/lib/dbl.php
index 8edbd0f9b..950585304 100644
--- a/lib/dbl.php
+++ b/lib/dbl.php
@@ -1,6 +1,6 @@
 <?php
 // dbl.php -- database interface layer
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Dbl_Result {
     /** @var int */
diff --git a/lib/ht.php b/lib/ht.php
index ec231e21e..a9405a06c 100644
--- a/lib/ht.php
+++ b/lib/ht.php
@@ -1,6 +1,6 @@
 <?php
 // ht.php -- HotCRP HTML helper functions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Ht {
     public static $img_base = "";
diff --git a/lib/login.php b/lib/login.php
index f5d375ca1..bca60964c 100644
--- a/lib/login.php
+++ b/lib/login.php
@@ -1,6 +1,6 @@
 <?php
 // login.php -- HotCRP login helpers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class LoginHelper {
     /** @var bool */
diff --git a/lib/mailer.php b/lib/mailer.php
index 4f66cc382..1bc96e46f 100644
--- a/lib/mailer.php
+++ b/lib/mailer.php
@@ -1,6 +1,6 @@
 <?php
 // mailer.php -- HotCRP mail template manager
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class MailPreparation {
     /** @var Conf */
diff --git a/lib/mincostmaxflow.php b/lib/mincostmaxflow.php
index 5d2030a37..418d07fd2 100644
--- a/lib/mincostmaxflow.php
+++ b/lib/mincostmaxflow.php
@@ -1,6 +1,6 @@
 <?php
 // mincostmaxflow.php -- HotCRP min-cost max-flow
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class MinCostMaxFlow_Node {
     /** @var string */
diff --git a/lib/s3client.php b/lib/s3client.php
index 37b283986..6c27f6f44 100644
--- a/lib/s3client.php
+++ b/lib/s3client.php
@@ -1,6 +1,6 @@
 <?php
 // s3client.php -- helper class for S3 access papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class S3Client {
     const EMPTY_SHA256 = "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855";
diff --git a/lib/tagger.php b/lib/tagger.php
index 8b96fbcc8..0582ee76f 100644
--- a/lib/tagger.php
+++ b/lib/tagger.php
@@ -1,6 +1,6 @@
 <?php
 // tagger.php -- HotCRP helper class for dealing with tags
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 // Note that tags MUST NOT contain HTML or URL special characters:
 // no "'&<>.  If you add PHP-protected characters, such as $, make sure you
diff --git a/lib/text.php b/lib/text.php
index d53acc5c9..ef75fa0fe 100644
--- a/lib/text.php
+++ b/lib/text.php
@@ -1,6 +1,6 @@
 <?php
 // text.php -- HotCRP text helper functions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class TextPregexes {
     /** @var ?string */
diff --git a/log.php b/log.php
index 5621ee1d1..fb79aae15 100644
--- a/log.php
+++ b/log.php
@@ -1,6 +1,6 @@
 <?php
 // log.php -- HotCRP action log
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 if (!$Me->is_manager()) {
diff --git a/mail.php b/mail.php
index ef7685b4b..61d1dabf2 100644
--- a/mail.php
+++ b/mail.php
@@ -1,6 +1,6 @@
 <?php
 // mail.php -- HotCRP mail tool
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 require_once("src/papersearch.php");
diff --git a/manualassign.php b/manualassign.php
index 0b1236660..e947a02b7 100644
--- a/manualassign.php
+++ b/manualassign.php
@@ -1,6 +1,6 @@
 <?php
 // manualassign.php -- HotCRP chair's paper assignment page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 require_once("src/papersearch.php");
diff --git a/mergeaccounts.php b/mergeaccounts.php
index 102c58eea..c2003e6ec 100644
--- a/mergeaccounts.php
+++ b/mergeaccounts.php
@@ -1,6 +1,6 @@
 <?php
 // mergeaccounts.php -- HotCRP account merging page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 if (!$Me->email) {
diff --git a/offline.php b/offline.php
index 37b35ad8d..bac5b4a95 100644
--- a/offline.php
+++ b/offline.php
@@ -1,6 +1,6 @@
 <?php
 // offline.php -- HotCRP offline review management page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 if (!$Me->email) {
diff --git a/paper.php b/paper.php
index 7b6fbf02d..f0edfa3ef 100644
--- a/paper.php
+++ b/paper.php
@@ -1,6 +1,6 @@
 <?php
 // paper.php -- HotCRP paper view and edit page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 require_once("src/papertable.php");
diff --git a/profile.php b/profile.php
index 3423d61b2..69600cebb 100644
--- a/profile.php
+++ b/profile.php
@@ -1,6 +1,6 @@
 <?php
 // profile.php -- HotCRP profile management page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 
diff --git a/review.php b/review.php
index a3fae3054..5a9e79ea5 100644
--- a/review.php
+++ b/review.php
@@ -1,6 +1,6 @@
 <?php
 // review.php -- HotCRP paper review display/edit page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 require_once("src/papertable.php");
diff --git a/reviewprefs.php b/reviewprefs.php
index 0e8855d44..ca154a23d 100644
--- a/reviewprefs.php
+++ b/reviewprefs.php
@@ -1,6 +1,6 @@
 <?php
 // reviewprefs.php -- HotCRP review preference global settings page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 require_once("src/papersearch.php");
diff --git a/scripts/script.js b/scripts/script.js
index 2cbe73f13..09c6dc6be 100644
--- a/scripts/script.js
+++ b/scripts/script.js
@@ -1,5 +1,5 @@
 // script.js -- HotCRP JavaScript library
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 var siteinfo, hotcrp, hotcrp_status;
 
diff --git a/search.php b/search.php
index 64a0f0ea2..cf6f729e0 100644
--- a/search.php
+++ b/search.php
@@ -1,6 +1,6 @@
 <?php
 // search.php -- HotCRP paper search page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 require_once("src/papersearch.php");
diff --git a/settings.php b/settings.php
index 3523b6c90..4068edf98 100644
--- a/settings.php
+++ b/settings.php
@@ -1,6 +1,6 @@
 <?php
 // settings.php -- HotCRP chair-only conference settings management page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 if (isset($Qreq->cancel)) {
diff --git a/src/api/api_alltags.php b/src/api/api_alltags.php
index e43d31fad..e1ecb3ea8 100644
--- a/src/api/api_alltags.php
+++ b/src/api/api_alltags.php
@@ -1,6 +1,6 @@
 <?php
 // api_alltags.php -- HotCRP tag completion API call
-// Copyright (c) 2008-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2008-2021 Eddie Kohler; see LICENSE.
 
 class AllTags_API {
     static function run(Contact $user) {
diff --git a/src/api/api_requestreview.php b/src/api/api_requestreview.php
index d0acc3e54..8ccf4b037 100644
--- a/src/api/api_requestreview.php
+++ b/src/api/api_requestreview.php
@@ -1,6 +1,6 @@
 <?php
 // api_requestreview.php -- HotCRP review-request API calls
-// Copyright (c) 2008-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2008-2021 Eddie Kohler; see LICENSE.
 
 class RequestReview_API {
     /** @param Contact $user
diff --git a/src/api/api_search.php b/src/api/api_search.php
index 4e57bcf42..34c42c399 100644
--- a/src/api/api_search.php
+++ b/src/api/api_search.php
@@ -1,6 +1,6 @@
 <?php
 // api_search.php -- HotCRP search-related API calls
-// Copyright (c) 2008-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2008-2021 Eddie Kohler; see LICENSE.
 
 class Search_API {
     static function search(Contact $user, Qrequest $qreq) {
diff --git a/src/api/api_searchconfig.php b/src/api/api_searchconfig.php
index 5e554a7c5..04e9bd53d 100644
--- a/src/api/api_searchconfig.php
+++ b/src/api/api_searchconfig.php
@@ -1,6 +1,6 @@
 <?php
 // api_searchconfig.php -- HotCRP search configuration API calls
-// Copyright (c) 2008-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2008-2021 Eddie Kohler; see LICENSE.
 
 class SearchConfig_API {
     static function viewoptions(Contact $user, Qrequest $qreq) {
diff --git a/src/api/api_tags.php b/src/api/api_tags.php
index c5351511f..6f0ab3418 100644
--- a/src/api/api_tags.php
+++ b/src/api/api_tags.php
@@ -1,6 +1,6 @@
 <?php
 // api/api_tags.php -- HotCRP tags API call
-// Copyright (c) 2008-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2008-2021 Eddie Kohler; see LICENSE.
 
 class Tags_API {
     /** @param ?PaperInfo $prow */
diff --git a/src/assigners/a_conflict.php b/src/assigners/a_conflict.php
index ea3a00223..e4eee9c8d 100644
--- a/src/assigners/a_conflict.php
+++ b/src/assigners/a_conflict.php
@@ -1,6 +1,6 @@
 <?php
 // a_conflict.php -- HotCRP assignment helper classes
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Conflict_Assignable extends Assignable {
     /** @var int */
diff --git a/src/assigners/a_decision.php b/src/assigners/a_decision.php
index c236fe49b..3dcc3b4a5 100644
--- a/src/assigners/a_decision.php
+++ b/src/assigners/a_decision.php
@@ -1,6 +1,6 @@
 <?php
 // a_decision.php -- HotCRP assignment helper classes
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Decision_Assignable extends Assignable {
     /** @var ?int */
diff --git a/src/assigners/a_error.php b/src/assigners/a_error.php
index 53f3a906d..d5489cd47 100644
--- a/src/assigners/a_error.php
+++ b/src/assigners/a_error.php
@@ -1,6 +1,6 @@
 <?php
 // a_error.php -- HotCRP assignment helper classes
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Error_AssignmentParser extends UserlessAssignmentParser {
     private $iswarning;
diff --git a/src/assigners/a_lead.php b/src/assigners/a_lead.php
index 8e6037bec..3392c002a 100644
--- a/src/assigners/a_lead.php
+++ b/src/assigners/a_lead.php
@@ -1,6 +1,6 @@
 <?php
 // a_lead.php -- HotCRP assignment helper classes
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Lead_Assignable extends Assignable {
     /** @var ?int */
diff --git a/src/assigners/a_review.php b/src/assigners/a_review.php
index fbc16583b..79ff336c1 100644
--- a/src/assigners/a_review.php
+++ b/src/assigners/a_review.php
@@ -1,6 +1,6 @@
 <?php
 // a_review.php -- HotCRP assignment helper classes
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Review_Assignable extends Assignable {
     /** @var ?int */
diff --git a/src/assigners/a_status.php b/src/assigners/a_status.php
index 1f2297f84..b01758dbf 100644
--- a/src/assigners/a_status.php
+++ b/src/assigners/a_status.php
@@ -1,6 +1,6 @@
 <?php
 // a_status.php -- HotCRP assignment helper classes
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Status_Assignable extends Assignable {
     /** @var ?int */
diff --git a/src/assigners/a_tag.php b/src/assigners/a_tag.php
index f0f9cc93a..8b59518a1 100644
--- a/src/assigners/a_tag.php
+++ b/src/assigners/a_tag.php
@@ -1,6 +1,6 @@
 <?php
 // a_tag.php -- HotCRP assignment helper classes
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Tag_Assignable extends Assignable {
     /** @var string */
diff --git a/src/assigners/a_unsubmitreview.php b/src/assigners/a_unsubmitreview.php
index e6a17e9ff..0184479ab 100644
--- a/src/assigners/a_unsubmitreview.php
+++ b/src/assigners/a_unsubmitreview.php
@@ -1,6 +1,6 @@
 <?php
 // a_unsubmitreview.php -- HotCRP assignment helper classes
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class UnsubmitReview_AssignmentParser extends AssignmentParser {
     function __construct() {
diff --git a/src/assignmentset.php b/src/assignmentset.php
index 748c342d7..bdfa8a62c 100644
--- a/src/assignmentset.php
+++ b/src/assignmentset.php
@@ -1,6 +1,6 @@
 <?php
 // assignmentset.php -- HotCRP helper classes for assignments
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Assignable {
     /** @var string */
diff --git a/src/author.php b/src/author.php
index 44ee5b1b9..d915694b4 100644
--- a/src/author.php
+++ b/src/author.php
@@ -1,6 +1,6 @@
 <?php
 // author.php -- HotCRP author objects
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Author {
     /** @var string */
diff --git a/src/authormatcher.php b/src/authormatcher.php
index 2b993d77d..33cde4786 100644
--- a/src/authormatcher.php
+++ b/src/authormatcher.php
@@ -1,6 +1,6 @@
 <?php
 // authormatcher.php -- HotCRP author matchers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class AuthorMatcher extends Author {
     /** @var ?TextPregexes */
diff --git a/src/autoassigner.php b/src/autoassigner.php
index 5bc0a0d07..fdffbeb4f 100644
--- a/src/autoassigner.php
+++ b/src/autoassigner.php
@@ -1,6 +1,6 @@
 <?php
 // autoassigner.php -- HotCRP helper classes for autoassignment
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class AutoassignerCosts implements JsonSerializable {
     public $assignment = 100;
diff --git a/src/commentinfo.php b/src/commentinfo.php
index 64e4bc4a7..4b8358ea4 100644
--- a/src/commentinfo.php
+++ b/src/commentinfo.php
@@ -1,6 +1,6 @@
 <?php
 // commentinfo.php -- HotCRP helper class for comments
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class CommentInfo {
     /** @var Conf */
diff --git a/src/conference.php b/src/conference.php
index 00e21ab57..074775599 100644
--- a/src/conference.php
+++ b/src/conference.php
@@ -1,6 +1,6 @@
 <?php
 // conference.php -- HotCRP central helper class (singleton)
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Track {
     const VIEW = 0;
diff --git a/src/confinvariants.php b/src/confinvariants.php
index 411149aff..7f98ee3b8 100644
--- a/src/confinvariants.php
+++ b/src/confinvariants.php
@@ -1,6 +1,6 @@
 <?php
 // confinvariants.php -- HotCRP invariant checker
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class ConfInvariants {
     /** @var Conf */
diff --git a/src/contact.php b/src/contact.php
index 65cb36015..2a9294c3a 100644
--- a/src/contact.php
+++ b/src/contact.php
@@ -1,6 +1,6 @@
 <?php
 // contact.php -- HotCRP helper class representing system users
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 /** @property ?string $__isAuthor__
  * @property ?string $__hasReview__ */
diff --git a/src/contactlist.php b/src/contactlist.php
index 48487a1d1..376389b82 100644
--- a/src/contactlist.php
+++ b/src/contactlist.php
@@ -1,6 +1,6 @@
 <?php
 // contactlist.php -- HotCRP helper class for producing lists of contacts
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class ContactList {
     const FIELD_SELECTOR = 1000;
diff --git a/src/contactsearch.php b/src/contactsearch.php
index 453b185ba..216206452 100644
--- a/src/contactsearch.php
+++ b/src/contactsearch.php
@@ -1,6 +1,6 @@
 <?php
-// papersearch.php -- HotCRP helper class for searching for users
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// contactsearch.php -- HotCRP helper class for searching for users
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class ContactSearch {
     const F_QUOTED = 1;
diff --git a/src/documentinfoset.php b/src/documentinfoset.php
index 6f8e47a3d..4f9d3614e 100644
--- a/src/documentinfoset.php
+++ b/src/documentinfoset.php
@@ -1,6 +1,6 @@
 <?php
 // documentinfoset.php -- HotCRP document set
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class DocumentInfoSet_ZipInfo {
     /** @var ?int */
diff --git a/src/filefilter.php b/src/filefilter.php
index b3d872ff6..8a9eb8924 100644
--- a/src/filefilter.php
+++ b/src/filefilter.php
@@ -1,6 +1,6 @@
 <?php
 // filefilter.php -- HotCRP helper class for filtering documents
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class FileFilter {
     public $id;
diff --git a/src/formatspec.php b/src/formatspec.php
index 8b59cb784..f7d157bb8 100644
--- a/src/formatspec.php
+++ b/src/formatspec.php
@@ -1,6 +1,6 @@
 <?php
 // formatspec.php -- spec for HotCRP PDF analysis
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class FormatSpec {
     /** @var list<array{float,float}> */
diff --git a/src/formula.php b/src/formula.php
index 7b4208f53..755034588 100644
--- a/src/formula.php
+++ b/src/formula.php
@@ -1,6 +1,6 @@
 <?php
 // formula.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class FormulaCall {
     /** @var Formula */
diff --git a/src/formulagraph.php b/src/formulagraph.php
index 1b264694a..c6e134e78 100644
--- a/src/formulagraph.php
+++ b/src/formulagraph.php
@@ -1,6 +1,6 @@
 <?php
 // formulagraph.php -- HotCRP class for drawing graphs
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class FormulaGraph extends MessageSet {
     // bitmasks
diff --git a/src/formulas/f_author.php b/src/formulas/f_author.php
index 3660fd7a4..a1ee7495a 100644
--- a/src/formulas/f_author.php
+++ b/src/formulas/f_author.php
@@ -1,6 +1,6 @@
 <?php
 // formulas/f_author.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class Author_Fexpr extends Fexpr {
     private $matchtype;
diff --git a/src/formulas/f_decision.php b/src/formulas/f_decision.php
index ad7b60bc0..101e11372 100644
--- a/src/formulas/f_decision.php
+++ b/src/formulas/f_decision.php
@@ -1,6 +1,6 @@
 <?php
 // formulas/f_decision.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class Decision_Fexpr extends Fexpr {
     function __construct() {
diff --git a/src/formulas/f_optionpresent.php b/src/formulas/f_optionpresent.php
index e2965a58e..91bc0b774 100644
--- a/src/formulas/f_optionpresent.php
+++ b/src/formulas/f_optionpresent.php
@@ -1,6 +1,6 @@
 <?php
 // formulas/f_optionpresent.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class OptionPresent_Fexpr extends Fexpr {
     /** @var PaperOption */
diff --git a/src/formulas/f_optionvalue.php b/src/formulas/f_optionvalue.php
index f4822e3d8..ad818b244 100644
--- a/src/formulas/f_optionvalue.php
+++ b/src/formulas/f_optionvalue.php
@@ -1,6 +1,6 @@
 <?php
 // formulas/f_optionvalue.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class OptionValue_Fexpr extends Fexpr {
     /** @var PaperOption */
diff --git a/src/formulas/f_pdfsize.php b/src/formulas/f_pdfsize.php
index bc29c3c5f..a33640820 100644
--- a/src/formulas/f_pdfsize.php
+++ b/src/formulas/f_pdfsize.php
@@ -1,6 +1,6 @@
 <?php
 // formulas/f_pdfsize.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class PdfSize_Fexpr extends Fexpr {
     function viewable_by(Contact $user) {
diff --git a/src/formulas/f_pref.php b/src/formulas/f_pref.php
index 914b719e1..687db2c0a 100644
--- a/src/formulas/f_pref.php
+++ b/src/formulas/f_pref.php
@@ -1,6 +1,6 @@
 <?php
 // formulas/f_pref.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class Pref_Fexpr extends Fexpr {
     private $is_expertise;
diff --git a/src/formulas/f_reviewer.php b/src/formulas/f_reviewer.php
index bb91b6a85..7e7b1519c 100644
--- a/src/formulas/f_reviewer.php
+++ b/src/formulas/f_reviewer.php
@@ -1,6 +1,6 @@
 <?php
 // formulas/f_reviewer.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class Reviewer_Fexpr extends Fexpr {
     function __construct() {
diff --git a/src/formulas/f_reviewermatch.php b/src/formulas/f_reviewermatch.php
index 7a63ed6e5..eaaee97dc 100644
--- a/src/formulas/f_reviewermatch.php
+++ b/src/formulas/f_reviewermatch.php
@@ -1,6 +1,6 @@
 <?php
 // formulas/f_reviewermatch.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class ReviewerMatch_Fexpr extends Fexpr {
     /** @var Contact */
diff --git a/src/formulas/f_reviewround.php b/src/formulas/f_reviewround.php
index b82dbb5a7..c0724952c 100644
--- a/src/formulas/f_reviewround.php
+++ b/src/formulas/f_reviewround.php
@@ -1,6 +1,6 @@
 <?php
 // formulas/f_reviewround.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class ReviewRound_Fexpr extends Fexpr {
     function __construct() {
diff --git a/src/formulas/f_reviewwordcount.php b/src/formulas/f_reviewwordcount.php
index ed73b8664..a63aa8d0f 100644
--- a/src/formulas/f_reviewwordcount.php
+++ b/src/formulas/f_reviewwordcount.php
@@ -1,6 +1,6 @@
 <?php
 // formulas/f_reviewwordcount.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class ReviewWordCount_Fexpr extends Fexpr {
     function __construct() {
diff --git a/src/formulas/f_revtype.php b/src/formulas/f_revtype.php
index a3e662cba..e0b2a5a90 100644
--- a/src/formulas/f_revtype.php
+++ b/src/formulas/f_revtype.php
@@ -1,6 +1,6 @@
 <?php
 // formulas/f_revtype.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class Revtype_Fexpr extends Fexpr {
     function __construct() {
diff --git a/src/formulas/f_tag.php b/src/formulas/f_tag.php
index 0d85068dd..96673c8d9 100644
--- a/src/formulas/f_tag.php
+++ b/src/formulas/f_tag.php
@@ -1,6 +1,6 @@
 <?php
 // formulas/f_tag.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class Tag_Fexpr extends Fexpr {
     private $tag;
diff --git a/src/formulas/f_topic.php b/src/formulas/f_topic.php
index 0c9fd2501..d665078a4 100644
--- a/src/formulas/f_topic.php
+++ b/src/formulas/f_topic.php
@@ -1,6 +1,6 @@
 <?php
 // formulas/f_topic.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class Topic_Fexpr extends Fexpr {
     private $match;
diff --git a/src/formulas/f_topicscore.php b/src/formulas/f_topicscore.php
index b34437804..c5666a789 100644
--- a/src/formulas/f_topicscore.php
+++ b/src/formulas/f_topicscore.php
@@ -1,6 +1,6 @@
 <?php
 // formulas/f_topicscore.php -- HotCRP helper class for formula expressions
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class TopicScore_Fexpr extends Fexpr {
     function __construct() {
diff --git a/src/groupedextensions.php b/src/groupedextensions.php
index 82a3e27e5..2fefc7513 100644
--- a/src/groupedextensions.php
+++ b/src/groupedextensions.php
@@ -1,6 +1,6 @@
 <?php
 // src/groupedextensions.php -- HotCRP extensible groups
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class GroupedExtensions implements XtContext {
     private $_jall = [];
diff --git a/src/help/h_bulkassign.php b/src/help/h_bulkassign.php
index 331a7b0de..867d714a5 100644
--- a/src/help/h_bulkassign.php
+++ b/src/help/h_bulkassign.php
@@ -1,6 +1,6 @@
 <?php
 // src/help/h_bulkassign.php -- HotCRP help functions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class BulkAssign_HelpTopic {
     static function render(HelpRenderer $hth) {
diff --git a/src/help/h_chairsguide.php b/src/help/h_chairsguide.php
index 566718adc..1882d068e 100644
--- a/src/help/h_chairsguide.php
+++ b/src/help/h_chairsguide.php
@@ -1,6 +1,6 @@
 <?php
 // src/help/h_chairsguide.php -- HotCRP help functions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class ChairsGuide_HelpTopic {
     static function render_presubmission(HelpRenderer $hth, $gj) {
diff --git a/src/help/h_formulas.php b/src/help/h_formulas.php
index 618692615..94a891c71 100644
--- a/src/help/h_formulas.php
+++ b/src/help/h_formulas.php
@@ -1,6 +1,6 @@
 <?php
 // src/help/h_formulas.php -- HotCRP help functions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Formulas_HelpTopic {
     static function render(HelpRenderer $hth) {
diff --git a/src/help/h_keywords.php b/src/help/h_keywords.php
index 805e714d6..9234caf64 100644
--- a/src/help/h_keywords.php
+++ b/src/help/h_keywords.php
@@ -1,6 +1,6 @@
 <?php
 // src/help/h_keywords.php -- HotCRP help functions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Keywords_HelpTopic {
     static function render(HelpRenderer $hth) {
diff --git a/src/help/h_search.php b/src/help/h_search.php
index a81d14826..61f79b016 100644
--- a/src/help/h_search.php
+++ b/src/help/h_search.php
@@ -1,6 +1,6 @@
 <?php
 // src/help/h_search.php -- HotCRP help functions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Search_HelpTopic {
     static function render(HelpRenderer $hth) {
diff --git a/src/helpers.php b/src/helpers.php
index 922e1d682..e82bcee67 100644
--- a/src/helpers.php
+++ b/src/helpers.php
@@ -1,6 +1,6 @@
 <?php
 // helpers.php -- HotCRP non-class helper functions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 /** @return array */
 function mkarray($value) {
diff --git a/src/hotcrpmailer.php b/src/hotcrpmailer.php
index 7c6f3014e..5ca9eaed1 100644
--- a/src/hotcrpmailer.php
+++ b/src/hotcrpmailer.php
@@ -1,6 +1,6 @@
 <?php
 // hotcrpmailer.php -- HotCRP mail template manager
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class HotCRPMailPreparation extends MailPreparation {
     /** @var int */
diff --git a/src/init.php b/src/init.php
index 4426867b6..956ab7919 100644
--- a/src/init.php
+++ b/src/init.php
@@ -1,6 +1,6 @@
 <?php
 // init.php -- HotCRP initialization (test or site)
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 declare(strict_types=1);
 define("HOTCRP_VERSION", "3.0b1");
diff --git a/src/listaction.php b/src/listaction.php
index 8df090c63..054821955 100644
--- a/src/listaction.php
+++ b/src/listaction.php
@@ -1,6 +1,6 @@
 <?php
 // listaction.php -- HotCRP helper class for paper search actions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class ListAction {
     public $subname;
diff --git a/src/listactions/la_assign.php b/src/listactions/la_assign.php
index 265039452..8b1421689 100644
--- a/src/listactions/la_assign.php
+++ b/src/listactions/la_assign.php
@@ -1,6 +1,6 @@
 <?php
 // listactions/la_assign.php -- HotCRP helper classes for list actions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Assign_ListAction extends ListAction {
     function allow(Contact $user, Qrequest $qreq) {
diff --git a/src/listactions/la_decide.php b/src/listactions/la_decide.php
index 0fb3fee6e..151b2c8bc 100644
--- a/src/listactions/la_decide.php
+++ b/src/listactions/la_decide.php
@@ -1,6 +1,6 @@
 <?php
 // listactions/la_decide.php -- HotCRP helper classes for list actions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Decide_ListAction extends ListAction {
     function allow(Contact $user, Qrequest $qreq) {
diff --git a/src/listactions/la_getauthors.php b/src/listactions/la_getauthors.php
index 76bbcbc6d..e499f8090 100644
--- a/src/listactions/la_getauthors.php
+++ b/src/listactions/la_getauthors.php
@@ -1,6 +1,6 @@
 <?php
 // listactions/la_getauthors.php -- HotCRP helper classes for list actions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class GetAuthors_ListAction extends ListAction {
     /** @return array<mixed,Contact> */
diff --git a/src/listactions/la_getjsonrqc.php b/src/listactions/la_getjsonrqc.php
index fe5d137da..8caf26540 100644
--- a/src/listactions/la_getjsonrqc.php
+++ b/src/listactions/la_getjsonrqc.php
@@ -1,6 +1,6 @@
 <?php
 // listactions/la_getjsonrqc.php -- HotCRP helper classes for list actions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class GetJsonRQC_ListAction extends ListAction {
     function allow(Contact $user, Qrequest $qreq) {
diff --git a/src/listactions/la_getreviewbase.php b/src/listactions/la_getreviewbase.php
index befde23db..22f713174 100644
--- a/src/listactions/la_getreviewbase.php
+++ b/src/listactions/la_getreviewbase.php
@@ -1,6 +1,6 @@
 <?php
 // listactions/la_getreviewbase.php -- HotCRP helper classes for list actions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class GetReviewBase_ListAction extends ListAction {
     protected $isform;
diff --git a/src/listactions/la_getreviewcsv.php b/src/listactions/la_getreviewcsv.php
index 640e22081..61f0fa9b8 100644
--- a/src/listactions/la_getreviewcsv.php
+++ b/src/listactions/la_getreviewcsv.php
@@ -1,6 +1,6 @@
 <?php
 // listactions/la_getreviewcsv.php -- HotCRP helper classes for list actions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class GetReviewCSV_ListAction extends ListAction {
     private $include_paper;
diff --git a/src/listactions/la_getreviewforms.php b/src/listactions/la_getreviewforms.php
index 801c13140..d46eca738 100644
--- a/src/listactions/la_getreviewforms.php
+++ b/src/listactions/la_getreviewforms.php
@@ -1,6 +1,6 @@
 <?php
 // listactions/la_getreviewforms.php -- HotCRP helper classes for list actions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class GetReviewForms_ListAction extends GetReviewBase_ListAction {
     private $all;
diff --git a/src/listactions/la_getscores.php b/src/listactions/la_getscores.php
index 34b2dabfe..e7a7125d6 100644
--- a/src/listactions/la_getscores.php
+++ b/src/listactions/la_getscores.php
@@ -1,6 +1,6 @@
 <?php
 // listactions/la_getscores.php -- HotCRP helper classes for list actions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class GetScores_ListAction extends ListAction {
     function allow(Contact $user, Qrequest $qreq) {
diff --git a/src/listactions/la_tag.php b/src/listactions/la_tag.php
index 49ebed5d8..0003bd6bd 100644
--- a/src/listactions/la_tag.php
+++ b/src/listactions/la_tag.php
@@ -1,6 +1,6 @@
 <?php
 // listactions/la_tag.php -- HotCRP helper classes for list actions
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Tag_ListAction extends ListAction {
     static function render(PaperList $pl, Qrequest $qreq) {
diff --git a/src/mailclasses.php b/src/mailclasses.php
index b71ab40f1..836fe6a24 100644
--- a/src/mailclasses.php
+++ b/src/mailclasses.php
@@ -1,6 +1,6 @@
 <?php
 // mailclasses.php -- HotCRP mail tool
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class MailRecipients {
     /** @var Conf */
diff --git a/src/mergecontacts.php b/src/mergecontacts.php
index 75f00bd9a..0a891bddb 100644
--- a/src/mergecontacts.php
+++ b/src/mergecontacts.php
@@ -1,6 +1,6 @@
 <?php
 // mergecontacts.php -- HotCRP helper class for merging users
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class MergeContacts extends MessageSet {
     /** @var Conf */
diff --git a/src/options/o_pcconflicts.php b/src/options/o_pcconflicts.php
index 1ad956cf4..bcb2159d0 100644
--- a/src/options/o_pcconflicts.php
+++ b/src/options/o_pcconflicts.php
@@ -1,6 +1,6 @@
 <?php
 // o_pcconflicts.php -- HotCRP helper class for PC conflicts intrinsic
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class PCConflicts_PaperOption extends PaperOption {
     function __construct(Conf $conf, $args) {
diff --git a/src/options/o_topics.php b/src/options/o_topics.php
index 91efcc718..5f369df10 100644
--- a/src/options/o_topics.php
+++ b/src/options/o_topics.php
@@ -1,6 +1,6 @@
 <?php
 // o_topics.php -- HotCRP helper class for topics intrinsic
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Topics_PaperOption extends PaperOption {
     function __construct(Conf $conf, $args) {
diff --git a/src/paperapi.php b/src/paperapi.php
index 12fa05f2b..9934cc58e 100644
--- a/src/paperapi.php
+++ b/src/paperapi.php
@@ -1,6 +1,6 @@
 <?php
 // paperapi.php -- HotCRP paper-related API calls
-// Copyright (c) 2008-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2008-2021 Eddie Kohler; see LICENSE.
 
 class PaperApi {
     /** @return Contact */
diff --git a/src/papercolumn.php b/src/papercolumn.php
index 7120ee281..3007a069c 100644
--- a/src/papercolumn.php
+++ b/src/papercolumn.php
@@ -1,6 +1,6 @@
 <?php
 // papercolumn.php -- HotCRP helper classes for paper list content
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class PaperColumn extends Column {
     const OVERRIDE_NONE = 0;
diff --git a/src/papercolumns/pc_assignreview.php b/src/papercolumns/pc_assignreview.php
index 11502926c..56bf1e0a3 100644
--- a/src/papercolumns/pc_assignreview.php
+++ b/src/papercolumns/pc_assignreview.php
@@ -1,6 +1,6 @@
 <?php
 // pc_assignreview.php -- HotCRP helper classes for paper list content
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class AssignReview_PaperColumn extends PaperColumn {
     /** @var Contact */
diff --git a/src/papercolumns/pc_desirability.php b/src/papercolumns/pc_desirability.php
index 9ab7f2c2b..1dafc10e1 100644
--- a/src/papercolumns/pc_desirability.php
+++ b/src/papercolumns/pc_desirability.php
@@ -1,6 +1,6 @@
 <?php
 // pc_desirability.php -- HotCRP helper classes for paper list content
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Desirability_PaperColumn extends PaperColumn {
     function __construct(Conf $conf, $cj) {
diff --git a/src/papercolumns/pc_formula.php b/src/papercolumns/pc_formula.php
index d02f26ab4..5523a27f2 100644
--- a/src/papercolumns/pc_formula.php
+++ b/src/papercolumns/pc_formula.php
@@ -1,6 +1,6 @@
 <?php
 // pc_formula.php -- HotCRP helper classes for paper list content
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Formula_PaperColumn extends PaperColumn {
     /** @var Formula */
diff --git a/src/papercolumns/pc_pagecount.php b/src/papercolumns/pc_pagecount.php
index fd01db288..234103abe 100644
--- a/src/papercolumns/pc_pagecount.php
+++ b/src/papercolumns/pc_pagecount.php
@@ -1,6 +1,6 @@
 <?php
 // pc_pagecount.php -- HotCRP helper classes for paper list content
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class PageCount_PaperColumn extends PaperColumn {
     /** @var CheckFormat */
diff --git a/src/papercolumns/pc_paperidorder.php b/src/papercolumns/pc_paperidorder.php
index 9f786583d..814f06f50 100644
--- a/src/papercolumns/pc_paperidorder.php
+++ b/src/papercolumns/pc_paperidorder.php
@@ -1,6 +1,6 @@
 <?php
 // pc_paperidorder.php -- HotCRP helper classes for paper list content
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class PaperIDOrder_PaperColumn extends PaperColumn {
     /** @var PaperID_SearchTerm */
diff --git a/src/papercolumns/pc_preference.php b/src/papercolumns/pc_preference.php
index ea59896d3..f362ffab1 100644
--- a/src/papercolumns/pc_preference.php
+++ b/src/papercolumns/pc_preference.php
@@ -1,6 +1,6 @@
 <?php
 // pc_preference.php -- HotCRP helper classes for paper list content
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Preference_PaperColumn extends PaperColumn {
     private $editable;
diff --git a/src/papercolumns/pc_reviewdelegation.php b/src/papercolumns/pc_reviewdelegation.php
index e90712f15..b0898202d 100644
--- a/src/papercolumns/pc_reviewdelegation.php
+++ b/src/papercolumns/pc_reviewdelegation.php
@@ -1,6 +1,6 @@
 <?php
 // pc_reviewdelegation.php -- HotCRP helper classes for paper list content
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class ReviewDelegation_PaperColumn extends PaperColumn {
     private $requester;
diff --git a/src/papercolumns/pc_reviewerlist.php b/src/papercolumns/pc_reviewerlist.php
index 41388e1f1..eb3daa444 100644
--- a/src/papercolumns/pc_reviewerlist.php
+++ b/src/papercolumns/pc_reviewerlist.php
@@ -1,6 +1,6 @@
 <?php
 // pc_reviewerlist.php -- HotCRP helper classes for paper list content
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class ReviewerList_PaperColumn extends PaperColumn {
     private $pref = false;
diff --git a/src/papercolumns/pc_tag.php b/src/papercolumns/pc_tag.php
index d3e2ce6db..ef1c65e4c 100644
--- a/src/papercolumns/pc_tag.php
+++ b/src/papercolumns/pc_tag.php
@@ -1,6 +1,6 @@
 <?php
 // pc_tag.php -- HotCRP helper classes for paper list content
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Tag_PaperColumn extends PaperColumn {
     /** @var ?bool */
diff --git a/src/papercolumns/pc_timestamp.php b/src/papercolumns/pc_timestamp.php
index fcc07576a..11cb21732 100644
--- a/src/papercolumns/pc_timestamp.php
+++ b/src/papercolumns/pc_timestamp.php
@@ -1,6 +1,6 @@
 <?php
 // pc_timestamp.php -- HotCRP helper classes for paper list content
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Timestamp_PaperColumn extends PaperColumn {
     function __construct(Conf $conf, $cj) {
diff --git a/src/papercolumns/pc_topicscore.php b/src/papercolumns/pc_topicscore.php
index 21b8b0878..353f070fd 100644
--- a/src/papercolumns/pc_topicscore.php
+++ b/src/papercolumns/pc_topicscore.php
@@ -1,6 +1,6 @@
 <?php
 // pc_topicscore.php -- HotCRP helper classes for paper list content
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class TopicScore_PaperColumn extends PaperColumn {
     /** @var Contact */
diff --git a/src/paperevents.php b/src/paperevents.php
index 2dbf09829..6f6acc961 100644
--- a/src/paperevents.php
+++ b/src/paperevents.php
@@ -1,6 +1,6 @@
 <?php
 // paperevents.php -- HotCRP paper events
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class PaperEvent {
     /** @var PaperInfo */
diff --git a/src/paperinfo.php b/src/paperinfo.php
index 5ed5d9e4d..0e30f2b66 100644
--- a/src/paperinfo.php
+++ b/src/paperinfo.php
@@ -1,6 +1,6 @@
 <?php
 // paperinfo.php -- HotCRP paper objects
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class PaperContactInfo {
     /** @var int
diff --git a/src/paperlist.php b/src/paperlist.php
index 99c9687ab..072bc5a98 100644
--- a/src/paperlist.php
+++ b/src/paperlist.php
@@ -1,6 +1,6 @@
 <?php
 // paperlist.php -- HotCRP helper class for producing paper lists
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class PaperListTableRender {
     /** @var ?string */
diff --git a/src/paperoption.php b/src/paperoption.php
index 3e815b8ba..232b4dafb 100644
--- a/src/paperoption.php
+++ b/src/paperoption.php
@@ -1,6 +1,6 @@
 <?php
 // paperoption.php -- HotCRP helper class for paper options
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class PaperValue implements JsonSerializable {
     /** @var PaperInfo
diff --git a/src/paperrank.php b/src/paperrank.php
index c04884b07..c04d6964d 100644
--- a/src/paperrank.php
+++ b/src/paperrank.php
@@ -1,6 +1,6 @@
 <?php
 // paperrank.php -- HotCRP helper functions for dealing with ranks
-// Copyright (c) 2009-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2009-2021 Eddie Kohler; see LICENSE.
 
 class PaperRank {
     /** @var Conf */
diff --git a/src/papersearch.php b/src/papersearch.php
index dd7e76955..ccb78f499 100644
--- a/src/papersearch.php
+++ b/src/papersearch.php
@@ -1,6 +1,6 @@
 <?php
 // papersearch.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class SearchWord {
     /** @var string */
diff --git a/src/paperstatus.php b/src/paperstatus.php
index 15c6655e0..5e72287ae 100644
--- a/src/paperstatus.php
+++ b/src/paperstatus.php
@@ -1,6 +1,6 @@
 <?php
 // paperstatus.php -- HotCRP helper for reading/storing papers as JSON
-// Copyright (c) 2008-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2008-2021 Eddie Kohler; see LICENSE.
 
 class PaperStatus extends MessageSet {
     /** @var Conf */
diff --git a/src/papertable.php b/src/papertable.php
index fc21c4c7a..b4cc69be7 100644
--- a/src/papertable.php
+++ b/src/papertable.php
@@ -1,6 +1,6 @@
 <?php
 // papertable.php -- HotCRP helper class for producing paper tables
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class PaperTable {
     /** @var Conf */
diff --git a/src/partials/p_adminhome.php b/src/partials/p_adminhome.php
index aa15123e8..54f154beb 100644
--- a/src/partials/p_adminhome.php
+++ b/src/partials/p_adminhome.php
@@ -1,6 +1,6 @@
 <?php
 // src/partials/p_adminhome.php -- HotCRP home page partials for administrators
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class AdminHome_Partial {
     static function check_admin(Contact $user, Qrequest $qreq) {
diff --git a/src/partials/p_home.php b/src/partials/p_home.php
index 5b51937b5..56131b8fb 100644
--- a/src/partials/p_home.php
+++ b/src/partials/p_home.php
@@ -1,6 +1,6 @@
 <?php
 // src/partials/p_home.php -- HotCRP home page partials
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Home_Partial {
     private $_nh2 = 0;
diff --git a/src/partials/p_signin.php b/src/partials/p_signin.php
index f11d30914..1a452c9c2 100644
--- a/src/partials/p_signin.php
+++ b/src/partials/p_signin.php
@@ -1,6 +1,6 @@
 <?php
 // src/partials/p_signin.php -- HotCRP password reset partials
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Signin_Partial {
     public $_reset_cap;
diff --git a/src/permissionproblem.php b/src/permissionproblem.php
index 1de0a010a..ba845af02 100644
--- a/src/permissionproblem.php
+++ b/src/permissionproblem.php
@@ -1,6 +1,6 @@
 <?php
 // permissionproblem.php -- HotCRP helper class for permission errors
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class PermissionProblem implements ArrayAccess, IteratorAggregate, Countable, JsonSerializable {
     /** @var Conf */
diff --git a/src/review.php b/src/review.php
index 234fcc997..ef8c78e48 100644
--- a/src/review.php
+++ b/src/review.php
@@ -1,6 +1,6 @@
 <?php
 // review.php -- HotCRP helper class for producing review forms and tables
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 // JSON schema for settings["review_form"]:
 // {FIELD:{"name":NAME,"description":DESCRIPTION,"position":POSITION,
diff --git a/src/reviewdiffinfo.php b/src/reviewdiffinfo.php
index d0ad7a55b..b52fee8ed 100644
--- a/src/reviewdiffinfo.php
+++ b/src/reviewdiffinfo.php
@@ -1,6 +1,6 @@
 <?php
 // reviewdiffinfo.php -- HotCRP class representing review diffs
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class ReviewDiffInfo {
     /** @var Conf */
diff --git a/src/reviewinfo.php b/src/reviewinfo.php
index 1e53a37fd..dbb219832 100644
--- a/src/reviewinfo.php
+++ b/src/reviewinfo.php
@@ -1,6 +1,6 @@
 <?php
 // reviewinfo.php -- HotCRP class representing reviews
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class ReviewInfo implements JsonSerializable {
     /** @var Conf */
diff --git a/src/reviewtimes.php b/src/reviewtimes.php
index b13cf9717..87d58c019 100644
--- a/src/reviewtimes.php
+++ b/src/reviewtimes.php
@@ -1,6 +1,6 @@
 <?php
 // src/reviewtimes.php -- HotCRP review form definition page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class ReviewTimes {
     /** @var Conf */
diff --git a/src/search/st_admin.php b/src/search/st_admin.php
index 41a544585..954d90abb 100644
--- a/src/search/st_admin.php
+++ b/src/search/st_admin.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_admin.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Admin_SearchTerm extends SearchTerm {
     /** @var Contact */
diff --git a/src/search/st_author.php b/src/search/st_author.php
index abae9c421..ed6c9ba68 100644
--- a/src/search/st_author.php
+++ b/src/search/st_author.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_author.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Author_SearchTerm extends SearchTerm {
     /** @var Contact */
diff --git a/src/search/st_authormatch.php b/src/search/st_authormatch.php
index 34eef2acc..117433cea 100644
--- a/src/search/st_authormatch.php
+++ b/src/search/st_authormatch.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_authormatch.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class AuthorMatch_SearchTerm extends SearchTerm {
     /** @var Contact */
diff --git a/src/search/st_color.php b/src/search/st_color.php
index 807c68198..aea65fdf6 100644
--- a/src/search/st_color.php
+++ b/src/search/st_color.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_color.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Color_SearchTerm {
     static function parse($word, SearchWord $sword, PaperSearch $srch) {
diff --git a/src/search/st_comment.php b/src/search/st_comment.php
index 3dfc36549..aa85f0398 100644
--- a/src/search/st_comment.php
+++ b/src/search/st_comment.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_comment.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Comment_SearchTerm extends SearchTerm {
     /** @var Contact */
diff --git a/src/search/st_conflict.php b/src/search/st_conflict.php
index 51daefc6b..de76171c8 100644
--- a/src/search/st_conflict.php
+++ b/src/search/st_conflict.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_conflict.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Conflict_SearchTerm extends SearchTerm {
     /** @var Contact */
diff --git a/src/search/st_decision.php b/src/search/st_decision.php
index ef90de089..5e76f5ddb 100644
--- a/src/search/st_decision.php
+++ b/src/search/st_decision.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_decision.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Decision_SearchTerm extends SearchTerm {
     /** @var Contact */
diff --git a/src/search/st_documentcount.php b/src/search/st_documentcount.php
index c3d94243a..f50e0c33d 100644
--- a/src/search/st_documentcount.php
+++ b/src/search/st_documentcount.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_documentcount.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class DocumentCount_SearchTerm extends Option_SearchTerm {
     /** @var int */
diff --git a/src/search/st_documentname.php b/src/search/st_documentname.php
index 10881255a..002a7bf73 100644
--- a/src/search/st_documentname.php
+++ b/src/search/st_documentname.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_documentname.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class DocumentName_SearchTerm extends Option_SearchTerm {
     /** @var bool */
diff --git a/src/search/st_editfinal.php b/src/search/st_editfinal.php
index 56d4a07ca..c42750ea8 100644
--- a/src/search/st_editfinal.php
+++ b/src/search/st_editfinal.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_editfinal.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class EditFinal_SearchTerm extends SearchTerm {
     function __construct() {
diff --git a/src/search/st_formula.php b/src/search/st_formula.php
index 4f8f6bc19..627a9cc7c 100644
--- a/src/search/st_formula.php
+++ b/src/search/st_formula.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_formula.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Formula_SearchTerm extends SearchTerm {
     /** @var Contact */
diff --git a/src/search/st_option.php b/src/search/st_option.php
index 74e6dfa70..ebc64b972 100644
--- a/src/search/st_option.php
+++ b/src/search/st_option.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_option.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 abstract class Option_SearchTerm extends SearchTerm {
     /** @var Contact */
diff --git a/src/search/st_optionpresent.php b/src/search/st_optionpresent.php
index 5b9517048..420fe2345 100644
--- a/src/search/st_optionpresent.php
+++ b/src/search/st_optionpresent.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_optionpresent.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class OptionPresent_SearchTerm extends Option_SearchTerm {
     private $is_multi;
diff --git a/src/search/st_optiontext.php b/src/search/st_optiontext.php
index 5101eb501..4abd7445b 100644
--- a/src/search/st_optiontext.php
+++ b/src/search/st_optiontext.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_optiontext.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class OptionText_SearchTerm extends Option_SearchTerm {
     /** @var string */
diff --git a/src/search/st_optionvalue.php b/src/search/st_optionvalue.php
index ab19864c9..e1ef15125 100644
--- a/src/search/st_optionvalue.php
+++ b/src/search/st_optionvalue.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_optionvalue.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class OptionValue_SearchTerm extends Option_SearchTerm {
     /** @var int */
diff --git a/src/search/st_optionvaluein.php b/src/search/st_optionvaluein.php
index 5f0f3d091..80527c592 100644
--- a/src/search/st_optionvaluein.php
+++ b/src/search/st_optionvaluein.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_optionvaluein.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class OptionValueIn_SearchTerm extends Option_SearchTerm {
     private $values;
diff --git a/src/search/st_paperpc.php b/src/search/st_paperpc.php
index 726603ed4..e99c9de61 100644
--- a/src/search/st_paperpc.php
+++ b/src/search/st_paperpc.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_paperpc.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class PaperPC_SearchTerm extends SearchTerm {
     /** @var Contact */
diff --git a/src/search/st_paperstatus.php b/src/search/st_paperstatus.php
index eb7dedc50..71528107d 100644
--- a/src/search/st_paperstatus.php
+++ b/src/search/st_paperstatus.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_paperstatus.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class PaperStatus_SearchTerm extends SearchTerm {
     private $match;
diff --git a/src/search/st_pdf.php b/src/search/st_pdf.php
index a742ca10c..75ee28979 100644
--- a/src/search/st_pdf.php
+++ b/src/search/st_pdf.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_pdf.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class PaperPDF_SearchTerm extends SearchTerm {
     /** @var Contact */
diff --git a/src/search/st_perm.php b/src/search/st_perm.php
index 2794ed291..bac423906 100644
--- a/src/search/st_perm.php
+++ b/src/search/st_perm.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_perm.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Perm_SearchTerm extends SearchTerm {
     /** @var Contact */
diff --git a/src/search/st_reconflict.php b/src/search/st_reconflict.php
index 06c73cf1d..d2e496a56 100644
--- a/src/search/st_reconflict.php
+++ b/src/search/st_reconflict.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_reconflict.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 abstract class Reconflict_SearchTerm extends SearchTerm {
     static function parse($word, SearchWord $sword, PaperSearch $srch) {
diff --git a/src/search/st_review.php b/src/search/st_review.php
index 8c07345ab..5f20c4491 100644
--- a/src/search/st_review.php
+++ b/src/search/st_review.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_review.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class ReviewSearchMatcher extends ContactCountMatcher {
     const COMPLETE = 1;
diff --git a/src/search/st_reviewtoken.php b/src/search/st_reviewtoken.php
index 51ae08c8f..1364b02b5 100644
--- a/src/search/st_reviewtoken.php
+++ b/src/search/st_reviewtoken.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_reviewtoken.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class ReviewToken_SearchTerm extends SearchTerm {
     /** @var Contact */
diff --git a/src/search/st_revpref.php b/src/search/st_revpref.php
index ca4538018..c85042450 100644
--- a/src/search/st_revpref.php
+++ b/src/search/st_revpref.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_revpref.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class RevprefSearchMatcher extends ContactCountMatcher {
     public $preference_match = null;
diff --git a/src/search/st_tag.php b/src/search/st_tag.php
index 08c5b3827..34ae8808a 100644
--- a/src/search/st_tag.php
+++ b/src/search/st_tag.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_tag.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Tag_SearchTerm extends SearchTerm {
     /** @var Contact */
diff --git a/src/search/st_topic.php b/src/search/st_topic.php
index b7dc8bceb..a9d6b25c2 100644
--- a/src/search/st_topic.php
+++ b/src/search/st_topic.php
@@ -1,6 +1,6 @@
 <?php
 // search/st_topic.php -- HotCRP helper class for searching for papers
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Topic_SearchTerm extends SearchTerm {
     /** @var true|list<int> */
diff --git a/src/searchselection.php b/src/searchselection.php
index 577127af1..4961021f8 100644
--- a/src/searchselection.php
+++ b/src/searchselection.php
@@ -1,6 +1,6 @@
 <?php
 // searchselection.php -- HotCRP helper class for paper selections
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class SearchSelection {
     /** @var list<int> */
diff --git a/src/searchsplitter.php b/src/searchsplitter.php
index 3ebee1365..9775e4f9f 100644
--- a/src/searchsplitter.php
+++ b/src/searchsplitter.php
@@ -1,6 +1,6 @@
 <?php
 // searchsplitter.php -- HotCRP helper class for splitting search strings
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class SearchSplitter {
     /** @var string */
diff --git a/src/settings/s_basics.php b/src/settings/s_basics.php
index 8d71ece3d..c36764250 100644
--- a/src/settings/s_basics.php
+++ b/src/settings/s_basics.php
@@ -1,6 +1,6 @@
 <?php
 // src/settings/s_basics.php -- HotCRP settings > info page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Basics_SettingParser extends SettingParser {
     static function render_names(SettingValues $sv) {
diff --git a/src/settings/s_decisions.php b/src/settings/s_decisions.php
index b91d8a5c0..ed6c19ddf 100644
--- a/src/settings/s_decisions.php
+++ b/src/settings/s_decisions.php
@@ -1,6 +1,6 @@
 <?php
 // src/settings/s_decisions.php -- HotCRP settings > decisions page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Decisions_SettingParser extends SettingParser {
     static private function render_row(SettingValues $sv, $ndec, $k, $v, $isnew, $count) {
diff --git a/src/settings/s_decisionvisibility.php b/src/settings/s_decisionvisibility.php
index 6cb72641f..174a7a1a5 100644
--- a/src/settings/s_decisionvisibility.php
+++ b/src/settings/s_decisionvisibility.php
@@ -1,6 +1,6 @@
 <?php
 // src/settings/s_decisionvisibility.php -- HotCRP settings > decisions page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class DecisionVisibility_SettingParser extends SettingParser {
     static function render(SettingValues $sv) {
diff --git a/src/settings/s_finalversions.php b/src/settings/s_finalversions.php
index 319ddc9e8..401da08d4 100644
--- a/src/settings/s_finalversions.php
+++ b/src/settings/s_finalversions.php
@@ -1,6 +1,6 @@
 <?php
 // src/settings/s_finalversions.php -- HotCRP settings > final versions page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class FinalVersions_SettingParser extends SettingParser {
     static function render(SettingValues $sv) {
diff --git a/src/settings/s_messages.php b/src/settings/s_messages.php
index f138f7a75..00d027592 100644
--- a/src/settings/s_messages.php
+++ b/src/settings/s_messages.php
@@ -1,6 +1,6 @@
 <?php
 // src/settings/s_messages.php -- HotCRP settings > messages page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Messages_SettingRenderer {
     static function render(SettingValues $sv) {
diff --git a/src/settings/s_options.php b/src/settings/s_options.php
index 66e8e26f5..f17cf7890 100644
--- a/src/settings/s_options.php
+++ b/src/settings/s_options.php
@@ -1,6 +1,6 @@
 <?php
 // src/settings/s_options.php -- HotCRP settings > submission form page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Options_SettingRenderer {
     /** @var list<string> */
diff --git a/src/settings/s_responses.php b/src/settings/s_responses.php
index b72c95b07..079d36f9e 100644
--- a/src/settings/s_responses.php
+++ b/src/settings/s_responses.php
@@ -1,6 +1,6 @@
 <?php
 // src/settings/s_responses.php -- HotCRP settings > decisions page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Responses_SettingParser extends SettingParser {
     static function resp_round_names(Conf $conf) {
diff --git a/src/settings/s_reviewform.php b/src/settings/s_reviewform.php
index 4fc5dc3f4..0c04a62c4 100644
--- a/src/settings/s_reviewform.php
+++ b/src/settings/s_reviewform.php
@@ -1,6 +1,6 @@
 <?php
 // src/settings/s_reviewform.php -- HotCRP review form definition page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class ReviewForm_SettingParser extends SettingParser {
     private $nrfj;
diff --git a/src/settings/s_reviews.php b/src/settings/s_reviews.php
index 952945bed..0b704154e 100644
--- a/src/settings/s_reviews.php
+++ b/src/settings/s_reviews.php
@@ -1,6 +1,6 @@
 <?php
 // src/settings/s_reviews.php -- HotCRP settings > reviews page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Reviews_SettingRenderer {
     /** @param SettingValues $sv
diff --git a/src/settings/s_reviewvisibility.php b/src/settings/s_reviewvisibility.php
index 241162b76..3f1684c8e 100644
--- a/src/settings/s_reviewvisibility.php
+++ b/src/settings/s_reviewvisibility.php
@@ -1,6 +1,6 @@
 <?php
 // src/settings/s_reviewvisibility.php -- HotCRP settings > decisions page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class ReviewVisibility_SettingParser extends SettingParser {
     static function render(SettingValues $sv) {
diff --git a/src/settings/s_subform.php b/src/settings/s_subform.php
index 195bafb6f..b0e91a980 100644
--- a/src/settings/s_subform.php
+++ b/src/settings/s_subform.php
@@ -1,6 +1,6 @@
 <?php
 // src/settings/s_subform.php -- HotCRP settings > submission form page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class BanalSettings {
     static function render($suffix, $sv) {
diff --git a/src/settings/s_tags.php b/src/settings/s_tags.php
index 0782ea2aa..8270580d9 100644
--- a/src/settings/s_tags.php
+++ b/src/settings/s_tags.php
@@ -1,6 +1,6 @@
 <?php
 // src/settings/s_tags.php -- HotCRP settings > tags page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Tags_SettingRenderer {
     static function render_tags($tl) {
diff --git a/src/settings/s_topics.php b/src/settings/s_topics.php
index d5572f563..68601007c 100644
--- a/src/settings/s_topics.php
+++ b/src/settings/s_topics.php
@@ -1,6 +1,6 @@
 <?php
 // src/settings/s_topics.php -- HotCRP settings > submission form page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class Topics_SettingRenderer {
     static function render(SettingValues $sv) {
diff --git a/src/settings/s_tracks.php b/src/settings/s_tracks.php
index 3bd72165b..d0439405a 100644
--- a/src/settings/s_tracks.php
+++ b/src/settings/s_tracks.php
@@ -1,6 +1,6 @@
 <?php
 // src/settings/s_tracks.php -- HotCRP settings > tracks page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class TrackSettingInfo {
     /** @var array<string,string> */
diff --git a/src/settingvalues.php b/src/settingvalues.php
index 7e9c92ff6..b51326c43 100644
--- a/src/settingvalues.php
+++ b/src/settingvalues.php
@@ -1,6 +1,6 @@
 <?php
 // settingvalues.php -- HotCRP conference settings management helper classes
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 // setting information
 class Si {
diff --git a/src/siteloader.php b/src/siteloader.php
index 76662fca3..26619f689 100644
--- a/src/siteloader.php
+++ b/src/siteloader.php
@@ -1,6 +1,6 @@
 <?php
 // siteloader.php -- HotCRP autoloader
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class SiteLoader {
     static $map = [
diff --git a/src/tagrankparser.php b/src/tagrankparser.php
index 99518af16..0192c58ff 100644
--- a/src/tagrankparser.php
+++ b/src/tagrankparser.php
@@ -1,6 +1,6 @@
 <?php
 // tagrankparser.php -- HotCRP offline rank parsing
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class TagRankParser {
     /** @var Contact */
diff --git a/src/topicset.php b/src/topicset.php
index 6c589a890..42e27bccb 100644
--- a/src/topicset.php
+++ b/src/topicset.php
@@ -1,6 +1,6 @@
 <?php
 // topicset.php -- HotCRP helper class for topics
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 class TopicGroup {
     /** @var string */
diff --git a/src/updateschema.php b/src/updateschema.php
index fb4cdf189..38ef0c028 100644
--- a/src/updateschema.php
+++ b/src/updateschema.php
@@ -1,6 +1,6 @@
 <?php
 // updateschema.php -- HotCRP function for updating old schemata
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 function update_schema_create_review_form($conf) {
     $result = $conf->ql("select * from ReviewFormField where fieldName!='outcome'");
diff --git a/src/userstatus.php b/src/userstatus.php
index edcf2e597..a1625a170 100644
--- a/src/userstatus.php
+++ b/src/userstatus.php
@@ -1,6 +1,6 @@
 <?php
 // userstatus.php -- HotCRP helpers for reading/storing users as JSON
-// Copyright (c) 2008-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2008-2021 Eddie Kohler; see LICENSE.
 
 class UserStatus extends MessageSet {
     /** @var Conf
diff --git a/stylesheets/style.css b/stylesheets/style.css
index 6750aad38..7a897acd9 100644
--- a/stylesheets/style.css
+++ b/stylesheets/style.css
@@ -1,6 +1,6 @@
 /* -*- mode: css; indent-tabs-mode: t; css-indent-offset: 8 -*- */
 /* style.css -- HotCRP CSS styles */
-/* Copyright (c) 2006-2020 Eddie Kohler; see LICENSE. */
+/* Copyright (c) 2006-2021 Eddie Kohler; see LICENSE. */
 
 /* generic styles */
 html {
diff --git a/test/setup.php b/test/setup.php
index a9cba3b76..ab158ad9c 100644
--- a/test/setup.php
+++ b/test/setup.php
@@ -1,6 +1,6 @@
 <?php
 // test/setup.php -- HotCRP helper file to initialize tests
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once(preg_replace('/\/test\/[^\/]+/', '/src/siteloader.php', __FILE__));
 define("HOTCRP_OPTIONS", SiteLoader::find("test/options.php"));
diff --git a/test/test01.php b/test/test01.php
index 6af5630fb..8cb3ab84a 100644
--- a/test/test01.php
+++ b/test/test01.php
@@ -1,6 +1,6 @@
 <?php
 // test01.php -- HotCRP tests: permissions, assignments, search
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 declare(strict_types=1);
 require_once(preg_replace('/\/test\/[^\/]+/', '/test/setup.php', __FILE__));
diff --git a/test/test02.php b/test/test02.php
index ab46c82ea..897dae89a 100644
--- a/test/test02.php
+++ b/test/test02.php
@@ -1,6 +1,6 @@
 <?php
 // test02.php -- HotCRP S3 and database unit tests
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 declare(strict_types=1);
 require_once(preg_replace('/\/test\/[^\/]+/', '/test/setup.php', __FILE__));
diff --git a/test/test04.php b/test/test04.php
index 8c53cfc7f..48288c165 100644
--- a/test/test04.php
+++ b/test/test04.php
@@ -1,6 +1,6 @@
 <?php
 // test04.php -- HotCRP user database tests
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 declare(strict_types=1);
 global $Opt;
diff --git a/test/test05.php b/test/test05.php
index 6e273d476..33ab0d487 100644
--- a/test/test05.php
+++ b/test/test05.php
@@ -1,6 +1,6 @@
 <?php
 // test05.php -- HotCRP paper submission tests
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 declare(strict_types=1);
 require_once(preg_replace('/\/test\/[^\/]+/', '/test/setup.php', __FILE__));
diff --git a/test/test06.php b/test/test06.php
index 3ab5ccc44..0bbf25772 100644
--- a/test/test06.php
+++ b/test/test06.php
@@ -1,6 +1,6 @@
 <?php
 // test06.php -- HotCRP review and some setting tests
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 /** @phan-file-suppress PhanUndeclaredProperty */
 
 declare(strict_types=1);
diff --git a/users.php b/users.php
index 8830c1d80..91ad84083 100644
--- a/users.php
+++ b/users.php
@@ -1,6 +1,6 @@
 <?php
 // users.php -- HotCRP people listing/editing page
-// Copyright (c) 2006-2020 Eddie Kohler; see LICENSE.
+// Copyright (c) 2006-2021 Eddie Kohler; see LICENSE.
 
 require_once("src/initweb.php");
 require_once("src/contactlist.php");