+# Copyright: 2013 MoinMoin:CheerXiao
+# License: GNU GPL v2 (or any later version), see LICENSE.txt for details.
+MoinMoin - schema helpers
+This package contains helpers for dealing with sets of metadata fields
+associated with certain itemtypes, or borrowing relation database terms, the
+"schema" of that itemtype.
+Although the metadata of items is stored in JSON and thus schema-free, various
+information about metadata fields is often useful, e.g. how a certain field
+should be displayed in the index, or edited in the metadata editor. The Whoosh
+indexer also needs a schema.
+Currently this package only has helpers for displaying metadata, but eventually
+MoinMoin/forms.py should belong here too. There might be support for a more
+dynamic Whoosh schema too (which is now hardcoded in