[m-rev.] for review: improve usage and version messages in the slice directory

[Zoltan Somogyi]

On 2023-10-01 16:24 +11:00 AEDT, "Julien Fischer" <jfischer at opturion.com> wrote:
>> That diff of mtc_diff.m is hard to read, because it resynchronized on an "if"
>> that plays different roles in the before and after versions.
>> Can you please resend it with -b --patience?
> 
> Attached.

I had a look, and have no additional comments.

Zoltan.