Re: merge psql ef/ev sf/sv handling functions

> you can't do this sort of thing:
>
> - psql_error("The server (version %s) does not support editing function source.\n",
> + psql_error("The server (version %s) does not support editing %s.\n",
> formatPGVersionNumber(pset.sversion, false,
> - sverbuf, sizeof(sverbuf)));
> + sverbuf, sizeof(sverbuf)),
> + is_func ? "function source" : "view definitions");
>
> It's too much of a pain in the rear for translators.

Argh, indeed, I totally forgot about translations. Usually there is a _()
hint for gettext.

> See
> https://www.postgresql.org/docs/devel/static/nls-programmer.html#nls-guidelines
> Usually we just use two independent messages, and that's what I did.

Yep, makes sense. Thanks for the fix.

--
Fabien.