[m-rev.] for review: Improve io.dir.m for Java and C#.

[Zoltan Somogyi]

On Fri, 26 Aug 2022 12:50:33 +1000 (AEST), Julien Fischer <jfischer at opturion.com> wrote:
> >     % This will also succeed if the directory already exists
> >     % and is readable and writable by the current user.
> >     %
> > +    % XXX Why does this check for read/writability by the current user?
> > +    %
> 
> Why is that an issue?

You usually make a directory because you want to put
files into it. If you don't have permission to do that,
you should be told just once, when this predicate
is called, rather than once per file you want to create,
because the *files* are not responsible for the problem.

Zoltan.