[m-users.] How to determine function provenance?

[Peter Wang]

On Tue, 18 Dec 2018 19:46:11 -0500, Jeffrey Brown <jeffbrown.the at gmail.com> wrote:
> Ooh that looks nice.
> 
> Is anybody on this list using Emacs and doing that? Emacs appears to offer
> three ways to (build? read?) ctags, and also at least two mercury modes. (I
> settled on Mercury Metal Mode a while ago after the default somehow didn't
> do what I wanted, can't remember now).

mtags has an option:

    -e, --emacs
        Produce an emacs-style TAGS file.  If this option is
        present, all other options are ignored.

Not sure if anyone has used it recently.

Peter