try to fix rss feed, but author still does'nt show up...
from cubicweb.schema import format_constraint
class Blog(EntityType):
title = String(maxsize=50, required=True)
description = String()
class BlogEntry(EntityType):
title = String(maxsize=100, required=True)
publish_date = Date(default='TODAY')
text_format = String(meta=True, internationalizable=True, maxsize=50,
default='text/rest', constraints=[format_constraint])
text = String(fulltextindexed=True)
category = String(vocabulary=('important','business'))
entry_of = SubjectRelation('Blog', cardinality='?*')