jackmoore/autosize — pull request #50 by Leonidaz (2013-01-17 16:04:50+00:00)
Title: IE8 error Invalid argument when textarea has display:none 

on IE8 when textarea has display:none causes error: Invalid argument.
jquery.autosize.js, line 116 character 6

the width() returned by jQuery is a negative number, assigning it in IE8
causes the error.