Re: grep-mode should print default-directory (again)

[Chong Yidong]

Richard Stallman <address@hidden> writes:

>     AFAICS compilation-directory is just used with recompile and it gets set 
> by
>     M-x compile (through default-directory).
>
> Damn, you're right.  That means the change to set compilation-directory
> instead of default-directory was no good.  It broke the feature.
>
> I can see only two ways to fix this:
>
> * Go back to setting and saving default-directory, as before, and mark
>   it safe.  (I don't find the arguments against this entirely convincing.)
>
> * Make compilation-directory affect next-error, overriding
>   default-directory.

I reverted to setting and saving default-directory.  I guess there is
the risk isn't considerable (or at least no worse than what we had in
Emacs 21).