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.h b/src/references.h
index 8d3631f..5038c49 100644
--- a/src/references.h
+++ b/src/references.h
@@ -12,8 +12,8 @@ extern "C" {
 struct cmark_reference {
   struct cmark_reference *next;
   unsigned char *label;
-  cmark_chunk url;
-  cmark_chunk title;
+  unsigned char *url;
+  unsigned char *title;
   unsigned int hash;
 };