From a612576ff647b4124e8fa80f608cc23c908a1861 Mon Sep 17 00:00:00 2001
From: Tony Brix <tony@brix.ninja>
Date: Thu, 7 Nov 2024 10:22:52 -0700
Subject: [PATCH] fix: fix html comment after list (#3518)

---
 src/Tokenizer.ts                        | 2 +-
 test/specs/new/html_following_list.html | 8 ++++++++
 test/specs/new/html_following_list.md   | 6 ++++++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/Tokenizer.ts b/src/Tokenizer.ts
index f29795e704..f8bf850573 100644
--- a/src/Tokenizer.ts
+++ b/src/Tokenizer.ts
@@ -305,7 +305,7 @@ export class _Tokenizer {
           const hrRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}((?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$)`);
           const fencesBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}(?:\`\`\`|~~~)`);
           const headingBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}#`);
-          const htmlBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}<[a-z].*>`, 'i');
+          const htmlBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}<(?:[a-z].*>|!--)`, 'i');
 
           // Check if following lines should be included in List Item
           while (src) {
diff --git a/test/specs/new/html_following_list.html b/test/specs/new/html_following_list.html
index 349d4136cb..7cbb6643ef 100644
--- a/test/specs/new/html_following_list.html
+++ b/test/specs/new/html_following_list.html
@@ -5,3 +5,11 @@
 <div class="some-class">
 Content
 </div>
+
+<ul>
+  <li>list item 1</li>
+  <li>list item 2</li>
+</ul>
+<!--
+Comment
+-->
diff --git a/test/specs/new/html_following_list.md b/test/specs/new/html_following_list.md
index 52c2113123..6275de00eb 100644
--- a/test/specs/new/html_following_list.md
+++ b/test/specs/new/html_following_list.md
@@ -3,3 +3,9 @@
 <div class="some-class">
 Content
 </div>
+
+- list item 1
+- list item 2
+<!--
+Comment
+-->