[m-rev.] for review: Document what whitespace means to library predicates.

[Zoltan Somogyi]

On Mon,  2 Oct 2017 14:35:04 +1100, Peter Wang <novalazy at gmail.com> wrote:

> library/char.m:
>     Present list of whitespace characters for char.whitespace
>     in tabular form.

That's fine.

Zoltan.