put back bugfix lost in recent gumbo update

Sigil-Ebook · Mar 10, 2019 · ebd8c7c · ebd8c7c
1 parent e820188
commit ebd8c7c
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/internal/gumbo/tokenizer.c b/internal/gumbo/tokenizer.c
@@ -1088,6 +1088,12 @@ static StateResult handle_tag_name_state(
       abandon_current_tag(parser);
       gumbo_tokenizer_set_state(parser, GUMBO_LEX_DATA);
       return NEXT_CHAR;
+    // xml parsing rules do not allow single or double quotes in tag names
+    case '"':
+    case '\'':
+      tokenizer_add_parse_error(parser, GUMBO_ERR_TAG_INVALID);
+      append_char_to_tag_buffer(parser, '_', false);
+      return NEXT_CHAR;
     default:
       append_char_to_tag_buffer(parser, gumbo_tolower(c), true);
       return NEXT_CHAR;