Salut Stephane, bug #614933 should be fixed with tuareg-mode 1:2.0.4-4: > 1. run emacs without ~/.emacs file > 2. open any .ml file > 3. M-x camldebug > > fails with the following error: > > execute-extended-command: Symbol's value as variable is void: caml-mode-map Could you please test it and confirm that it is fixed? Cheers -Ralf.