[m-dev.] vim modelines in Mercury.options files

[Julien Fischer]

On Sat, 16 Sep 2023, Zoltan Somogyi wrote:

> At the moment, many don't have one, but the ones that do are inconsistent:
>
> tests/invalid/Mercury.options:# vim: ts=4 sw=4 expandtab
> tests/invalid_make_int/Mercury.options:# vim: ts=8 sw=8 noexpandtab
> tests/invalid_nodepend/Mercury.options:# vim: ts=4 sw=4 expandtab
> tests/invalid_submodules/Mercury.options:# vim: ts=4 sw=4 expandtab
> tests/valid/Mercury.options:# vim: ts=8 sw=8 noexpandtab
> tests/valid_make_int/Mercury.options:# vim: ts=8 sw=8 noexpandtab
> tests/valid_seq/Mercury.options:# vim: ts=8 sw=8 noexpandtab
> tests/warnings/Mercury.options:# vim: ts=8 sw=8 noexpandtab
>
> Some require spaces and forbid tabs, some allow tabs and discourage spaces.
> I think we should pick one. I have a slight preference for ts=4 sw=4 expandtab,
> as this is more flexible in fitting option settings on one line,
> but uniformity is more important than the specific choice.

ts=4 sw=4 expandtab is fine.

Julien.