[Mediawiki-l] Need Idea to replace "_" in Username/Script or anything else?

[Jens]

Hi,
im sorry that i wrote again with this problem.
I became this on my last request.
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MediaWiki does not support underscores in usernames.
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OK, but we need it because its an internal Userdb and with Version 1.5.8. MW
works.
Now i have an idea, but i dont no how to do it....is it possible.

We have a POP-tunnel to an authentication server.
------------------------------
function authenticate( $username, $password ) {
                return imap_open("{10.131.XX.XX/POP3:110}", $username,
$password );
                }
-----------------------------------------------------------------


Is it possible to (like a smal shell-script) replace $username temp. in the
MyAuth.php?
We redirect in LocalSettings.php
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require_once( 'extensions/MyAuthPlugin.php' );
-------------

The internal UserDB reaches ~3000 User, but i guess we are only 20 people
that use wiki....but we cant setup new usernames.

Any ideas without the idea "Shut up" ;)