mozilla/servo — pull request #1135 by ryanhc (2013-10-25 13:49:11+00:00)
Title: Replaces rust-wapcaplet with a new interning module in Rust, and supports interning on CSS selector matching

Replaces current rust-wapcaplet with a new interning module written in Rust.
Supports interning on tag, id, class, attr_exists, attr_equal, attr_dash_match.