On 4/24/07, Carsten Dominik <dominik@science.uva.nl> wrote:

   - The variable `org-CUA-compatible' is obsolete, please use
     `org-replace-disputed-keys' instead.  `org-CUA-compatible'
     is still an alias for this new variable, though.

I'm not sure if this is just my system, but it looks like defvaralias isn't in emacs 21.4.1. This error prevents org-mode from running.
-
Debugger entered--Lisp error: (void-function defvaralias)
  (defvaralias (quote org-CUA-compatible) (quote org-replace-disputed-keys))
  execute-extended-command(nil)
* call-interactively(execute-extended-command)