sass/libsass — pull request #507 by xzyfer (2014-10-06 03:06:48+00:00)
Title: Implement the list_separator function

This PR implements the list_separator function as defined here: http://sass-lang.com/documentation/Sass/Script/Functions.html#list_separator-instance_method.

Fixes #506. Specs added https://github.com/sass/sass-spec/pull/55.