[m-rev.] for review: read Mercury files using read_file_as_string

[Julien Fischer]

On Sat, 27 Jul 2019, Zoltan Somogyi wrote:

> On Sat, 27 Jul 2019 17:47:23 +1000 (AEST), Julien Fischer <jfischer at opturion.com> wrote:
>
> What would you suggest? I presume "size" would also be ambiguous.

The string module refers to code points or code units as required.
I would do the same here, e.g. read_file_as_string_and_code_point_count,
or something like that.

Julien.