skeeto/skewer-mode — pull request #35 by purcell (2013-09-25 10:23:33+00:00)
Title: Don't rely on css-backward-sexp

In recent Emacs snapshots, there's no longer a css-backward-sexp, so `skewer-css-beginning-of-declaration` will produce an error.

I'd expect that plain old `backward-sexp` should do the trick, but I admit that I haven't confirmed this. :-)