parser.yy: Typo fix.

diff --git a/lily/parser.yy b/lily/parser.yy
index 415e8cb83e01b8433865f669aa52b480482de6eb..901ac1a1cb5d8eeaa9c4269c1a65580ea91a99fe 100644 (file)
--- a/lily/parser.yy
+++ b/lily/parser.yy
@@ -1277,7 +1277,7 @@ function_arglist_skip:
        {
                $$ = scm_cons ($1, $3);
        } %prec FUNCTION_ARGLIST
-       | EXPECT_SCM EXPECT_DURATION function_arglist_skip
+       | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip
        {
                $$ = scm_cons ($1, $3);
        } %prec FUNCTION_ARGLIST