It used to be in obsolete.el, but is there no longer. I don't think it was obsolete in the first place, so I'm not sure why it was there. Anyway, CHANGES-ben-mule claims: - eliminate unused truncate-string{-to-width} However, I've got a backtrace that says different ;-) : Signaling: (void-function truncate-string-to-width) truncate-string-to-width("-----------------------Diary for Thursday, March 14, 2002-----------------------" 80) calendar-string-spread(("Diary for Thursday, March 14, 2002") ?- 80) calendar-set-mode-line("Diary for Thursday, March 14, 2002") simple-diary-display() list-diary-entries((3 14 2002) 1) diary() load-internal("/home/rpluim/.xemacs/init.el" t t t raw-text) load("/home/rpluim/.xemacs/init.el" t t t) load-user-init-file() load-init-file() command-line() normal-top-level() -- Robert Pluim