sass/libsass — pull request #743 by xzyfer (2014-12-21 05:50:07+00:00)
Title: Better support for parsing complex ie function values

This PR adds better support for parsing complex ie function values. If a value looks to be more than a simple variable or number we parse it with all of sass' abilities as we would any other declaration value.

Fixes https://github.com/sass/libsass/issues/549. Specs added sass/sass-spec#104, https://github.com/sass/sass-spec/pull/188.