bug#40003: 27.0.70; Windows build is without jansson support

[phillip . lord]

On 2020-06-30 15:26, Eli Zaretskii wrote:
> > From: Phillip Lord <phillip.lord@russet.org.uk>
> > Cc: 40003@debbugs.gnu.org,  npostavs@gmail.com,  yyoncho@gmail.com
> > Date: Tue, 30 Jun 2020 12:13:05 +0100
> >
> > I have pushed a snapshot release of emacs-28 to alpha which contains
> > this support as far as I can tell.
>
> Thanks.
>
> > "As far as I can tell" means
> >
> > (fboundp 'json-serialize)
> >
> > so any slightly more rigourous testing of this build against a real
> > world use case would be appreciated.
>
> There's a small test suite in test/src/json-tests.el.

Yes, I know, but the test suite tests the build and not the packaged 
version. We don't have any way to check that automatically.