Not sure about auto-format, but I highlight (my warning face is red) the part of lines that extend past 80 characters using this:
(defun my-font-lock-prepends (mode) "Adds a 80 character line-width" (font-lock-add-keywords mode '(("\\(.\\{80\\}\\)\\(.+\\)" 2 font-lock-warning-face prepend)))) (my-font-lock-prepends 'jde-mode) -jeffrey On Tue, 14 Dec 2004 09:01:20 -0500, Mark D. Hansen <[EMAIL PROTECTED]> wrote: > Can anyone tell me how to configure emacs/jde so that my java code will > auto-format to have column width 80? > > Thanks, > > Mark >