Beginning with version 2.0.5 the language packs are no longer included with the core distribution. Language packs can be downloaded from the TinyMCE website: http://tinymce.moxiecode.com/download.php The language pack codes are based on ISO-639-1: http://www.loc.gov/standards/iso639-2/englangn.html Plrease try using entities if possible. Like å etc for non a-z characters.