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by asadotzler 340 days ago
It was pretty easy to debug most of it with Dom Inspector and Venkman, themselves written in XUL. Even the XBL bindings and other sometimes challenging bits, were directly inspectable and editable. As a minor contributor to Mozilla's early XUL work and later Firefox's XUL work, mostly stripping XUL overlays and reducing clutter in the Firefox case, it seemed pretty straight forward to me.