updated for version 7.0204
diff --git a/src/diff.c b/src/diff.c
index 7170835..b28e127 100644
--- a/src/diff.c
+++ b/src/diff.c
@@ -1078,6 +1078,9 @@
curbuf = curwin->w_buffer;
set_string_option_direct((char_u *)"fdm", -1, (char_u *)"diff",
OPT_LOCAL|OPT_FREE);
+# ifdef FEAT_EVAL
+ set_option_scriptID((char_u *)"fdm", current_SID);
+# endif
curwin = old_curwin;
curbuf = curwin->w_buffer;
wp->w_p_fdc = 2;
@@ -1125,6 +1128,9 @@
curbuf = curwin->w_buffer;
set_string_option_direct((char_u *)"fdm", -1,
(char_u *)"manual", OPT_LOCAL|OPT_FREE);
+# ifdef FEAT_EVAL
+ set_option_scriptID((char_u *)"fdm", current_SID);
+# endif
curwin = old_curwin;
curbuf = curwin->w_buffer;
wp->w_p_fdc = 0;