bug#39902: 28.0.50; Marking in dired with active region

[Juri Linkov]

> It's _not_ good to express it in the terms you described:
> as being about including or excluding the limit at the
> region end.  That's not it at all, IMO.
>
> This should be expressed in terms of the behavior being
> either line-oriented (as is nearly all of Dired) or
> file-name oriented.
>
> Put differently, the description should say that the
> two choices are these:
>
> 1. Mark if _any_ part of the file's line is selected.
> 2. Mark if _all_ of the file name is selected.
>
> (Where "selected" means "in the region".)
>
> That's much clearer, I think.  It's expressed in terms
> of what users do and see.  Either you need to select
> some part of the line or you need to select all of the
> file name.  What could be simpler?
>
> (Anyway, I'm glad we've more or less reached agreement.)

Thanks, now the option is changed to provide two values to distinguish
line/file name based cases instead of exclusive/inclusive.