1 files changed, 1 insertions, 0 deletions

diff --git a/diff.h b/diff.h
index a49d865bd..42582edee 100644
--- a/diff.h
+++ b/diff.h
@@ -65,6 +65,7 @@ typedef void (*diff_format_fn_t)(struct diff_queue_struct *q,
 #define DIFF_OPT_IGNORE_SUBMODULES   (1 << 18)
 #define DIFF_OPT_DIRSTAT_CUMULATIVE  (1 << 19)
 #define DIFF_OPT_DIRSTAT_BY_FILE     (1 << 20)
+#define DIFF_OPT_ALLOW_TEXTCONV      (1 << 21)
 #define DIFF_OPT_TST(opts, flag)    ((opts)->flags & DIFF_OPT_##flag)
 #define DIFF_OPT_SET(opts, flag)    ((opts)->flags |= DIFF_OPT_##flag)
 #define DIFF_OPT_CLR(opts, flag)    ((opts)->flags &= ~DIFF_OPT_##flag)