1 files changed, 1 insertions, 0 deletions
diff --git a/diff.h b/diff.h
index d88ceb3570..cca4f9d6c9 100644
--- a/diff.h
+++ b/diff.h
@@ -95,6 +95,7 @@ struct diff_flags {
 	unsigned default_follow_renames:1;
 	unsigned stat_with_summary:1;
 	unsigned suppress_diff_headers:1;
+	unsigned dual_color_diffed_diffs:1;
 };
 
 static inline void diff_flags_or(struct diff_flags *a,