I am unable to login to the Mediawiki hosted app using my normal SF user login (muriel_).
How to get it:
1. Logged as myself on SF.NET (muriel_), go to the resourcelevel's project hosted app Mediawiki (http://apps.sourceforge.net/mediawiki/resourcelevel/index.php?title=Main_Page). The main page of the hosted app appears correctly, with the login hyperlink top right.
2. Click the login hyperlink. First time, it asked for login/password, which I entered (subsequent times it didn't ask). Then it gets back to the main page, without any indication that I was logged.
3. Click the "discussion" tab of the main page to see if I have permissions. I don't have them (You do not have permission to edit pages, for the following reason: The action you have requested is limited to users in one of the groups editor, admin.)
I am the admin of this project.
It seems the issue is related to logins with underscores (as stated and partially resolved in ticket #2370290).
I tried in Chrome, Firefox3.0.6 and IE7, tried cleaning cookies, but apparently nothing helps.