mootools/mootools-core — pull request #2440 by arian (2012-10-27 20:35:47+00:00)
Title: Update String:contains for ES6, fixes #2402

Fixes #2402

Most work done by @kentaromiura.

I rebased his commits, which contained semicolon fixes and other not so important stuff.
I added the !ES6 block and the documentation updates.