[RFC] Use emoji to indicate errors and warnings

[Andrew Burgess]

Tom Tromey <tromey@adacore.com> writes:

> This patch adds, at long last, some emoji output to gdb.  In
> particular, warnings are indicated with the warning sign, and errors
> with the police car light.
>
> Perhaps this kind of thing should be configurable.
>
> Also it should probably be dependent on whether the current encoding
> is UTF-8 compatible.

While I like the colours, I'm not totally convinced about this!  But I'm
not against it going in, if it makes some people happy.  I would
certainly like to see a run-time switch to allow this to be turned off
though.

Thanks,
Andrew