mootools/mootools-core — pull request #2568 by szegheo (2014-03-07 08:24:56+00:00)
Title: Update DOMEvent.md

'tab' was missing from possible keys list

see DOMEvent.defineKeys:
https://github.com/mootools/mootools-core/blob/master/Source/Types/DOMEvent.js#L108