MayhemYDG/4chan-x — comment on commit 3fc5d1fabd5bfe1c6b22b37ce099b126fba803d8
File: script.coffee line 2065
By aeosynth:

> it's new

https://developer.mozilla.org/en/CSS/%3Aonly-child#Browser_compatibility

> Basic support: Chrome 2	Firefox 1.5