From f554bf1108c4103ea8714c04f938685c1d7a7d13 Mon Sep 17 00:00:00 2001
From: step <step-@users.noreply.github.com>
Date: Mon, 8 Jan 2024 20:55:54 +0100
Subject: [PATCH] Don't trim HTML block lines (MD_LINE_HTML) (#206)

Markdown 0.30 doesn't mandate right-trimming the contents of HTML lines.
Doing so is more work and breaks output compatibility with cmark, tested
with https://github.com/commonmark/cmark/commit/9393560.
---
 src/md4c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/md4c.c b/src/md4c.c
index 3dbf9297..a36fa93d 100644
--- a/src/md4c.c
+++ b/src/md4c.c
@@ -6186,7 +6186,7 @@ md_analyze_line(MD_CTX* ctx, OFF beg, OFF* p_end,
     }
 
     /* Trim trailing spaces. */
-    if(line->type != MD_LINE_INDENTEDCODE  &&  line->type != MD_LINE_FENCEDCODE) {
+    if(line->type != MD_LINE_INDENTEDCODE  &&  line->type != MD_LINE_FENCEDCODE  && line->type != MD_LINE_HTML) {
         while(line->end > line->beg && CH(line->end-1) == _T(' '))
             line->end--;
     }