Allow dots in parameter key names

[ikiwiki] / doc / forum / using_l10n__39__d_basewiki / comment_1_eaab671848ee6129f6fe9399474eeac0._comment

[[!comment format=mdwn
 username="http://joey.kitenet.net/"
 nickname="joey"
 subject="comment 1"
 date="2010-12-05T20:12:17Z"
 content="""
The translated basewiki depends on the po plugin being enabled and configured with the language(s) to use.
"""]]