Fixes #950 - removing unused `@font-face` at rules.
authorJakub Pawlowicz <contact@jakubpawlowicz.com>
Tue, 13 Jun 2017 10:56:39 +0000 (12:56 +0200)
committerJakub Pawlowicz <contact@jakubpawlowicz.com>
Wed, 14 Jun 2017 08:57:04 +0000 (10:57 +0200)
commit93f39969b9519de432615e35958f5783a456e776
tree9098d0934ed1b5cb96156122c786e00619cad8b5
parent1d5bfa42431ab5e227f295c8da114fda05b781b6
Fixes #950 - removing unused `@font-face` at rules.

Why:

* A `@font-face` with particular font-family can be declared more than
  once, e.g. when referring different font weights.
History.md
lib/optimizer/level-2/remove-unused-at-rules.js
test/optimizer/level-2/remove-unused-at-rules-test.js