[m-rev.] for review: report errors for bad ":- end_module" declarations

[Zoltan Somogyi]

On Mon, 01 Sep 2014 03:45:39 +0200 (CEST), "Zoltan Somogyi" <zoltan.somogyi at runbox.com> wrote:
> For review by anyone. Note that before commit, I intend to add
> a more extensive test case (or several) to test each of the problems
> with :- module and :- end_module declarations that the newly added
> code tests for.

It turns out that there is existing code that looks for similar problems.
I will sort out how to combine the best of the old and the new in a
separate diff.

Zoltan.