Hello, I have tested tuxguitar again. It works now.
Possible, that this problem was solved with an update of swt-gtk 3.7.2-2 to 3.7.2-3. There is the bug report #670756 in swt-gtk, that is solved with 3.7.2-3. Please close this bug report. Best regards Bernhard -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]

