Disallow parenthesis in non-pseudo CSS selectors

* lisp/textmodes/css-mode.el (css--font-lock-keywords): Disallow
parenthesis in selectors except for in the function notation that
might appear right after a pseudo-class.
* test/indent/scss-mode.scss: Add a test for it.

1 files changed, 10 insertions, 0 deletions

diff --git a/test/indent/scss-mode.scss b/test/indent/scss-mode.scss
index 7a29929efca..02a4a98a8c5 100644
--- a/test/indent/scss-mode.scss
+++ b/test/indent/scss-mode.scss
@@ -55,3 +55,13 @@ article[role="main"] {
 }
 
 .box { @include border-radius(10px); }
+
+// bug:21230
+$list: (
+   ('a', #000000, #fff)
+   ('b', #000000, #fff)
+   ('c', #000000, #fff)
+   ('d', #000000, #fff)
+   ('e', #000000, #fff)
+   ('f', #000000, #fff)
+);