Rewrote some security code in PageUtils::savepage to accommodate the ACL system better; there was an issue with non-admin users saving pages on which they have edit rights but wiki mode is turned off
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.