cmd: Print error messages on stderr, not on stdout.

[Frédéric Delanoy]

On Thu, Nov 24, 2011 at 00:29, Francois Gouget <fgouget at free.fr> wrote:
> ---
>
> I consider messages like 'Not Yet Implemented' and 'No Argument' to be
> errors so that they should go to stderr. But maybe there's a strong
> argument for not doing it that way.

Your point is valid. I changed some/most of those myself some time ago.
However the test suite fails with your patch applied (e.g. for the
incomplete "for" construct).
Some of the hunks might be applied though, but you'd have to run the
test suite to be sure.

Frédéric