1 files changed, 1 insertions, 0 deletions
diff --git a/xdiff/xdiff.h b/xdiff/xdiff.h
index b29deca..72e25a9 100644
--- a/xdiff/xdiff.h
+++ b/xdiff/xdiff.h
@@ -66,6 +66,7 @@ extern "C" {
 
 /* merge output styles */
 #define XDL_MERGE_DIFF3 1
+#define XDL_MERGE_ZEALOUS_DIFF3 2
 
 typedef struct s_mmfile {
 	char *ptr;