intro: "NP" == Nick Pakoulin <npak(a)ispras.ru&gt; writes: NP> Put the following code into a file, say "tmp.el": NP> --------------------------------------------------------------------- NP> (require 'edebug) NP> (eval-after-load "edebug" (progn (put (quote defun) (quote NP> edebug-form-spec) (quote (&define name lambda-list [&optional stringp] NP> [&optional ("interactive" (&or stringp def-form))] def-body))))) NP> --------------------------------------------------------------------- Never mind, I got it. Friday evening - "hard day's night" :)) Thinking is not that fast as after weekends :)) Nick.