176 def regSortCategoryKey(feature):  argument
177     if (feature.elem.tag == 'feature'):
179     elif (feature.category == 'ARB' or
180           feature.category == 'KHR' or
181           feature.category == 'OES'):
188 def regSortNameKey(feature):  argument
189     return feature.name
194 def regSortNumberKey(feature):  argument
195     return feature.number
792         for feature in self.reg.findall('feature'):
793             ai = FeatureInfo(feature)
794             self.addElementInfo(feature, ai, 'feature', self.apidict)
797         for feature in self.extensions:
798             ei = FeatureInfo(feature)
799             self.addElementInfo(feature, ei, 'extension', self.extdict)
899         for feature in interface.findall('require'):
900             if (matchAPIProfile(api, profile, feature)):
901                 self.markRequired(feature,True)
903         for feature in interface.findall('remove'):
904             if (matchAPIProfile(api, profile, feature)):
905                 self.markRequired(feature,False)