Fix parsing of settext header underline. If indented, it is not header.
diff --git a/md4c/md4c.c b/md4c/md4c.c
index c601964..831a9eb 100644
--- a/md4c/md4c.c
+++ b/md4c/md4c.c
@@ -1574,7 +1574,7 @@ redo_indentation_after_blockquote_mark:
}
/* Check whether we are Setext underline. */
- if(pivot_line->type == MD_LINE_TEXT && (CH(off) == _T('=') || CH(off) == _T('-'))) {
+ if(line->indent < 4 && pivot_line->type == MD_LINE_TEXT && (CH(off) == _T('=') || CH(off) == _T('-'))) {
if(md_is_setext_underline(ctx, off, &off) == 0) {
line->type = MD_LINE_SETEXTUNDERLINE;
goto done;