#from allpages import allpages
#extends allpages

#def body

That nickname is taken. You can
<a href="$blog_base_uri/login?nexturl=$blog_base_uri/$entry.key">
log in</a> and submit your comment again, or go
<a href="#" onClick="history.go(-1)">back</a> and try a diffeent nickname.

#end def