1<?xml version="1.0" encoding="iso-8859-1"?> 2<windows xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" xmlns:xhtml="http://www.w3.org/1999/xhtml"> 3 <vbox flex="1"> 4 <vbox> 5 <xhtml:div>Hello</xhtml:div> 6 <xhtml:div> 7 foo 8 </xhtml:div> 9 </vbox> 10 </vbox> 11</windows> 12