mozilla-servo/rust-cssparser — pull request #25 by SimonSapin (2013-10-31 00:18:49+00:00)
Title: Add an incomplete CSS serializer.

Serialization is considered correct if it maintains the invariant:

parse(serialize(parse(text))) == parse(text)

for any text (Unicode string.)

This is not the case of this code yet (see #24), but it’s good enough for error reporting in Servo.