--- /dev/null
+##parameters=
+folderishTypes = ['Huge Plinn Folder', 'Calendar', 'Portfolio']
+ttool = context.portal_types
+allFtis = ttool.listTypeInfo()
+
+ftis = []
+for ft in folderishTypes :
+ folderishFti = ttool.getTypeInfo(ft)
+
+ for fti in allFtis :
+ if folderishFti.allowType(fti.id) and fti not in ftis :
+ ftis.append(fti)
+
+ftis.append(ttool['Discussion Item'])
+return ftis
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