Eli Zaretskii <eliz@gnu.org> schrieb am Mo., 18. Sep. 2017 um 16:58 Uhr:

> > From: Philipp Stephani <p.stephani2@gmail.com>
> > Date: Mon, 18 Sep 2017 13:26:34 +0000
> >
> > I've discovered that the interface and documentation of Jansson are much
> better than the ones of json-c, so I
> > switched to Jansson.
>
> Thanks, but isn't Jansson less actively developed, judging by your
> survey?
>

A bit, but it did have a nonzero number of commits in the last month, and
over a longer term seems quite active. (Some of the other libraries had
their last commit in 2014.)


>
> > I've attached a patch.
>
> I thought we wanted to import the library into Emacs proper, didn't
> we?  What is the purpose of providing such a core functionality as an
> optional feature?
>

If we want to make it mandatory, we can always make the library mandatory
and/or include its source code. However, the latter has significant
downsides (we need to maintain the source code), so I don't think we should
do it, at least not in the first iteration. For now, we can define the new
functions in json.el if native support isn't available.