updated for version 7.0175
diff --git a/src/eval.c b/src/eval.c
index e6e712b..eef865a 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -8459,7 +8459,10 @@
     else if (*p == '#')
     {
 #ifdef FEAT_AUTOCMD
-	n = au_exists(p + 1);
+	if (p[1] == '#')
+	    n = autocmd_supported(p + 2);
+	else
+	    n = au_exists(p + 1);
 #endif
     }
     else				/* internal variable */