I found that the following ditty which in earlier incarnations of my system just died almost immediately with a Segmentation Fault, will under current 2.4 Linux kernels under, say, RedHat's (null) beta, cause the machine to more or less freeze:
tex '\def~{\if~}~' That's bad. So perhaps one should let TeX automatically set a stack size limit, roughly what ulimit -s 1024 or so would do. After all, TeX is known to have potentially unlimited stack growth, so when the OS has a mechanism for keeping growth limited, and when unlimited growth is a known cause for trouble... -- David Kastrup Phone: +49-234-32-25570 Email: [EMAIL PROTECTED] Fax: +49-234-32-14209 Institut für Neuroinformatik, Universitätsstr. 150, 44780 Bochum, Germany