PonG is a library and a GUI tool for creating GNOME dialog boxes from an XML description. The XML describes the widgets and the gconf keys to use, and PonG takes care of the rest. It can optionally use libglade and/or bonobo for the widgets as well.
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A big translation rework to make it use xml-i18n-tools, many little enhancements, simplifications, new widgets, more doc work, Bonobo controls work, and lots of fixes.