loopj/jquery-tokeninput — pull request #522 by 2is10 (2013-05-10 19:08:44+00:00)
Title: Grow input after last token is deleted so placeholder can be seen

The problem this pull request fixes (obscured placeholder) is demonstrated here:
http://jsfiddle.net/RVnkG/

The fix is demonstrated here:
http://jsfiddle.net/yZtws/