The snapshot 20130430 works well. Thank you to JonY, Yaakov (Cygwin/X) and Christopher Faylor who responded. Regards, Denis Excoffier. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple