Support a new CSS indentation style

* lisp/textmodes/css-mode.el (css-smie-rules): Indent after property
immediately followed by a newline.

* test/manual/indent/css-mode.css: Add test for the change above.

* test/manual/indent/scss-mode.scss: Ditto.

1 files changed, 4 insertions, 1 deletions

diff --git a/lisp/textmodes/css-mode.el b/lisp/textmodes/css-mode.el
index 458ed9f8bb2..45d750af755 100644
--- a/lisp/textmodes/css-mode.el
+++ b/lisp/textmodes/css-mode.el
@@ -1208,7 +1208,10 @@ for determining whether point is within a selector."
        (smie-backward-sexp ";")
        (smie-indent-virtual)))
     (`(:before . ,(or "{" "("))
-     (if (smie-rule-hanging-p) (smie-rule-parent 0)))))
+     (if (smie-rule-hanging-p) (smie-rule-parent 0)))
+    (`(:after . ":-property")
+     (when (smie-rule-hanging-p)
+       css-indent-offset))))
 
 ;;; Completion