Importing from Wordpress must be done in UTF-8 because its written i swedish. Then i got problems with ? instead of the swedish åäö so i send a mail to my hosting service and the told me they are not supporting UTF-8 and bla bla. Can't change it. Thats a fact...
Is it possible to do a dirty hack in some of the Serendipity PHP files? Just Måndag instead of M?ndag? Its only the week days name that got the annoying error.
I good blog engine should be hackable