Last modified: 2010-03-05 06:19:56 UTC
LocalSettings.php $wgSitename = "Läromästare och Vetenskapsmän"; displays L¤rom¤stare och Vetenskapsm¤n !IN TITLE! ä ä displays ä and ä so no change the rest of the mediawiki displays åäö with åäö as should.
Did you save the file as UTF-8?