1 files changed, 1 insertions, 0 deletions
diff --git a/hv.h b/hv.h
index 81a4d89beb..33ecef5d0f 100644
--- a/hv.h
+++ b/hv.h
@@ -590,6 +590,7 @@ a string/length pair, and no precomputed hash.
 #define HV_FETCH_LVALUE		0x10
 #define HV_FETCH_JUST_SV	0x20
 #define HV_DELETE		0x40
+#define HV_FETCH_EMPTY_HE	0x80 /* Leave HeVAL null. */
 
 /*
 =for apidoc newHV