Update HTML comment scanner...

to accord with commonmark/commonmark-spec#713.
commonmark · Sep 8, 2022 · 3dfe48d · 3dfe48d
1 parent 9c1922e
commit 3dfe48d
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/inlines.c b/src/inlines.c
@@ -908,9 +908,9 @@ static cmark_node *handle_pointy_brace(subject *subj, int options) {
     if (c == '!') {
       c = subj->input.data[subj->pos+1];
       if (c == '-') {
-        matchlen = scan_html_comment(&subj->input, subj->pos + 2);
+        matchlen = scan_html_comment(&subj->input, subj->pos + 1);
         if (matchlen > 0)
-          matchlen += 2; // prefix "<-"
+          matchlen += 1; // prefix "<!"
       } else if (c == '[') {
         if ((subj->flags & FLAG_SKIP_HTML_CDATA) == 0) {
           matchlen = scan_html_cdata(&subj->input, subj->pos + 2);

diff --git a/src/scanners.re b/src/scanners.re
@@ -54,7 +54,7 @@ bufsize_t _scan_at(bufsize_t (*scanner)(const unsigned char *), cmark_chunk *c,
   opentag = tagname attribute* spacechar* [/]? [>];
   closetag = [/] tagname spacechar* [>];
 
-  htmlcomment = "--->" | ("-" ([-]? [^\x00>-]) ([-]? [^\x00-])* "-->");
+  htmlcomment = "-->" | "--->" | "--" ([^\x00-]+ | "-" [^\x00-] | "--" [^\x00>])+ "-->";
 
   processinginstruction = ([^?>\x00]+ | [?][^>\x00] | [>])+;