Michael Heerdegen <michael_heerdegen@web.de> writes:

> 1.  It would be much more convenient if the "diff ... of ..." part would
> be highlighted somehow, so that it is more visible.  It is an extremely
> relevant information, and can now be recognized very badly.
>
> The function to change would probably be
> `ediff-make-wide-control-buffer-id'.  I tested with this, for example:

[...]

>                             'face 'mode-line-buffer-id))))

I wouldn't mind making that bit bold, but it is somewhat unusual for
modes to do that.  On the other and, there isn't really a lot of other
info in that mode line, so it wouldn't be distracting, either: