Re: Can we add a check to see if user is using old or obsolete code?

[Stefan Monnier]

> I suggest that we create a new hook, `check-compat-hook', which is run
> at the end of `normal-top-level' (i.e. after all normal user-setup
> actions have been performed).

You can also use

  (eval-after-load 'cua
   '(if (boundp 'CUA-some-obsolete-var)
        (error "You are using an obsolete version of CUA.")))


-- Stefan