[xwiki-users] German letters changed to ? by pdf export

Hi there, Unfortunately e have a little problem with the export to a pdf file out of our xwiki. Some German letters (e.g.: ö, ä, ß) are printed to ? when generating a pdf. Does anybody know how to solve the this? Looking forward for helpfully answers. Thanks a lot! Roman A. Anastasini Roman Anastasini Apprentice AdLINK Internet Media AG Phone: +49 (0)2602 96 1868 HRB Montabaur 5432 Vorstand: Stéphane Cordier, Andreas Janssen, Marc Stilke Elgendorfer Str. 57 Fax: +49 (0)2602 96 1912 56410 Montabaur Mobile: Germany ranastasini(a)adlinkgroup.net [cid:image001.gif@01C83CDE.5EC56460]<http://www.adlinkgroup.net/> www.adlinkgroup.net<http://www.adlinkgroup.net/> [cid:image002.gif@01C83CDE.5EC56460]<http://www.adlinkmedia.net/>[cid:image003.gif@01C83CDE.5EC56460]<http://www.affili.net/>[cid:image004.gif@01C83CDE.5EC56460]<http://www.compositedigital.com/>[cid:image005.gif@01C83CDE.5EC56460]<http://www.netdialogs.de/>[cid:image006.gif@01C83CDE.5EC56460]<http://www.sedo.com/> This e-mail may contain confidential and/or privileged information. If you are not the intended recipient of this e-mail, you are hereby notified that saving, distribution or use of the content of this e-mail in any way is prohibited. If you have received this e-mail in error, please notify the sender and delete the e-mail.