bug#29923: [PATCH] Skip writing empty abbrev tables

[Allen Li]

On Wed, Sep 19, 2018 at 5:59 AM Andreas Röhler
<andreas.roehler@easy-emacs.de> wrote:
>
> AFAIU
>
> add-mode-abbrev expect a respective abbrev-table existing.
>
> (add-abbrev
>     (if only-global-abbrevs
>         global-abbrev-table
>       (or local-abbrev-table
>          (error "No per-mode abbrev table")))
>
> Will this still work?

add-mode-abbrev is unaffected.  Not writing empty abbrev tables is the
same as if the user doesn't have an abbrev file in the first place,
which obviously doesn't break add-mode-abbrev.

>
> Cheers,
> Andreas
>
>