be explicit that SvSetSV() doesn't do set magic

diff --git a/sv.h b/sv.h
index 4db63e4..68e5db1 100644 (file)
--- a/sv.h
+++ b/sv.h
@@ -2016,7 +2016,7 @@ argument more than once.
 
 =for apidoc Am|void|SvSetSV|SV* dsv|SV* ssv
 Calls C<sv_setsv> if dsv is not the same as ssv.  May evaluate arguments
-more than once.
+more than once.  Does not handle 'set' magic on the destination SV.
 
 =for apidoc Am|void|SvSetSV_nosteal|SV* dsv|SV* ssv
 Calls a non-destructive version of C<sv_setsv> if dsv is not the same as