My personal build of CMark ✏️
Fix "multiple of 3" determination in emph/strong parsing.
We need to store the length of the original delimiter run, instead of using the length of the remaining delimiters after some have been subtracted.
Test case:
a***b* c*
Thanks to Raph Levin for reporting.
1 file changed, 3 insertions, 4 deletions
| Status | File Name | N° Changes | Insertions | Deletions |
| Modified | src/inlines.c | 7 | 3 | 4 |
diff --git a/src/inlines.c b/src/inlines.c @@ -40,6 +40,7 @@ typedef struct delimiter { struct delimiter *previous; struct delimiter *next; cmark_node *inl_text; + bufsize_t length; unsigned char delim_char; bool can_open; bool can_close; @@ -408,6 +409,7 @@ static void push_delimiter(subject *subj, unsigned char c, bool can_open, delim->can_open = can_open; delim->can_close = can_close; delim->inl_text = inl_text; + delim->length = inl_text->as.literal.len; delim->previous = subj->last_delim; delim->next = NULL; if (delim->previous != NULL) { @@ -553,10 +555,7 @@ static void process_emphasis(subject *subj, delimiter *stack_bottom) { // interior closer of size 2 can't match opener of size 1 // or of size 1 can't match 2 odd_match = (closer->can_open || opener->can_close) && - ((opener->inl_text->as.literal.len + - closer->inl_text->as.literal.len) % - 3 == - 0); + ((opener->length + closer->length) % 3 == 0); if (opener->delim_char == closer->delim_char && opener->can_open && !odd_match) { opener_found = true;