gnus-group-parameters help

[Anupam Kapoor <akapoor@starentnetworks.com>]

hi all,

i want to configure gnus-group-parameters to have group specific posting
styles, spam etc. configuration. currently, my group buffer looks like
this:

,----
| 0: nnimap+alpha:alpha-generic
`----

so, using re-builder, i came up with the following :

,----
| (setq gnus-group-parameters '(("nnimap.*:.*generic"
|                                (gcc-self . t))
|                               ;; add more groups here.
|                               ))
`----

but this does not seem to make any difference at all :o( ! when, i enter
the group, and do a 'm' to compose a mail, i don't see the Gcc header
being present. 

however, when using 'G c' on the group, it all seems to work fine. i
looked at '.newsrc.eld' and tried using the regex there, but that does
not seem to help either.

this is on 'No Gnus v0.3' with emacs at 'GNU Emacs 22.0.50.1'. 

thank you for your help.
kind regards
anupam

ps: i know, i can use 'G c' which does the needful, but it puts
the configuration in '.newsrc.eld'. i would rather have all the
configuration in one single place i.e. .gnus.el.