Use C string instead of chunk for link URL and title

Use zero-terminated C strings instead of cmark_chunks without storing
the length. This introduces a few additional strlen computations,
but overhead should be low.

Allows to reduce size of struct cmark_node later.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/references.c b/src/references.c
index 89f2dc8..f0d871f 100644
--- a/src/references.c
+++ b/src/references.c
@@ -18,8 +18,8 @@ static void reference_free(cmark_reference_map *map, cmark_reference *ref) {
   cmark_mem *mem = map->mem;
   if (ref != NULL) {
     mem->free(ref->label);
-    cmark_chunk_free(mem, &ref->url);
-    cmark_chunk_free(mem, &ref->title);
+    mem->free(ref->url);
+    mem->free(ref->title);
     mem->free(ref);
   }
 }