1 files changed, 4 insertions, 0 deletions
diff --git a/src/cmark.h b/src/cmark.h
index 9f6e0c6..d1a65aa 100644
--- a/src/cmark.h
+++ b/src/cmark.h
@@ -568,6 +568,10 @@ char *cmark_render_latex(cmark_node *root, int options, int width);
  * ### Options affecting parsing
  */
 
+/** Legacy option (no effect).
+ */
+#define CMARK_OPT_NORMALIZE (1 << 8)
+
 /** Validate UTF-8 in the input before parsing, replacing illegal
  * sequences with the replacement character U+FFFD.
  */