bug#33168: 26; Doc string of `region-bounds'

[Eli Zaretskii]

> Date: Fri, 26 Oct 2018 08:48:17 -0700 (PDT)
> From: Drew Adams <drew.adams@oracle.com>
> 
> Doc string:
> 
>   Return the boundaries of the region as a pair of positions.
>   Value is a list of cons cells of the form (START . END).
> 
> Those two sentences are incompatible.

Right; fixed.

> Further, assuming that the second sentence is correct, something needs
> to be said about what it means to be a boundary of the region.

I said "something" about that.

> Presumably, in the case of a contiguous region the return value is
> ((BEG . END)), where BEG is the start of the region and END is the END.
> But what if the region is noncontiguous?  Something should be said
> about what each (BEG<N> . END<N>) pair corresponds to (means).

And about this.

Thanks.