Is is possible, as in tcl/tk, to put a watch on a variable? I've got a tkinter script and I'd like to use this to enable/disable menu options depending on the state of a buffer, etc. -- __ / ) / Bob van der Poel /--< ____/__ bvdpoel at uniserve.com /___/_(_) /_) http://users.uniserve.com/~bvdpoel