> > Does this function already exist in elisp ? I looked in the manual and > did > > not find it... > > gensym is a compiled Lisp function in `cl-macs.el'. > > (gensym &optional PREFIX) > > Generate a new uninterned symbol. > The name is made by appending a number to PREFIX, default "G". > > LOL. Tabs defined as windows configurations must work without (require 'cl) . Alin.