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For examples of extensions using this hook, see Category:PageForms::FormPrinterSetup extensions . Category:Extension hooks#PageForms::FormPrinterSetup Category:Undocumented extension hooks#PageForms::FormPrinterSetup Category:Extension hooks provided by Page Forms Category:Extension hooks#PageForms::FormPrinterSetup Category:Undocumented extension hooks#PageForms::FormPrinterSetup Category:Extension hooks provided by Page Forms