1 files changed, 3 insertions, 0 deletions
diff --git a/op.h b/op.h
index c1120f7137..6729f6edcb 100644
--- a/op.h
+++ b/op.h
@@ -137,6 +137,9 @@ Deprecated.  Use C<GIMME_V> instead.
 				/*  On OP_SMARTMATCH, an implicit smartmatch */
 				/*  On OP_ANONHASH and OP_ANONLIST, create a
 				    reference to the new anon hash or array */
+				/*  On OP_HELEM and OP_HSLICE, localization will be followed
+				    by assignment, so do not wipe the target if it is special
+				    (e.g. a glob or a magic SV) */
 
 /* old names; don't use in new code, but don't break them, either */
 #define OPf_LIST	OPf_WANT_LIST