<?xml version="1.0"?>
<window title="Missing repaint when using border-image on a XUL button"
  xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

<hbox>
<button label="Button" style="min-width: 0; -moz-appearance: none; border-width: 0; padding: 0; margin: 0; visibility:hidden; border-width: 0 8px; border-style: solid; border-image: url(data:image/png;base64,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) 0 8 fill;"/>
<box flex="1" style="background: green" />
</hbox>

</window>