[basex-talk] Error: Processing instruction has illegal name: xml

Hi there, if i want start a new xml document or open a exist one (factbook.xml e.g.), every time i get this error: Error: Processing instruction has illegal name: 'xml' i have already searched your website first steps and crawled the internet. there was just one entry on stackoverflow, the solution there wont work. how can i go on with it? thanks a lot. Thomas