===================== 20100503_vbox_stretch ===================== Please have a look at the [http://code.google.com/p/lino/source/browse/extjs-showcases/20100503_vbox_stretch.html Source code] of the showcase that demonstrates my problem. It opens a Window with a single item (a FormPanel) with vbox layout and 3 items; the third item (which contains a htmleditor) has stretch:1, the others have stretch:0. My problem is that the second item (country, region and email) takes too much height. At least when using Firefox:
Here is a screenshot of the result (Firefox 3.6.3 on Windows XP) :

On IE the same showcase renders as expected:

I'm using ExtJS version 3.2.1. Am I doing something forbidden? Is there a workaround for this problem?