id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
21707	Theme Customizer: Javascript errors in Internet Explorer are blocking live previews from displaying	designsimply	koopersmith	"Steps to reproduce: 

1. Install r21383 or later.
2. Go to Appearance → Themes and click Customize.
* Expected: to see customizer panels on the left and a live preview on the right.
* Actual: the live previews are always blank in IE9 and the following Javascript error appears in the console:

{{{
SCRIPT5007: Unable to get value of the property ‘detach’: object is null or undefined
customize-controls.js?ver=3.5-alpha-21589, line 194 character 6
}}}

[[Image(http://f.cl.ly/items/2M2b0L1l3Z3g2Y3N1J2q/Screen%20shot%202012-08-27%20at%2010.12.01%20PM.png)]]"	defect (bug)	closed	high	3.4.2	Appearance		blocker	fixed	has-patch commit