321402-5-ref.xhtml

Enable keyboard shortcuts

<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"

        xmlns:html="http://www.w3.org/1999/xhtml">

  <vbox flex="1">

    <box flex="1" />

    <label value="hello world" />

    <html:span style="display:inline" flex="1" /> <!-- causes block wrapping -->

  </vbox>

</window>