master updated (856502d -> 1680a1c)

[Philipp Stephani]

phst pushed a change to branch master.

      from  856502d   Remove stale comments from gnus-msg.el
       new  625de7e   Allow any JSON value at the top level (Bug#42994).
       new  1680a1c   Pass 'struct json_configuration' as const where possible.


Summary of changes:
 doc/lispref/text.texi  |  7 ++---
 src/json.c             | 81 +++++++++++++++++++++++++-------------------------
 test/src/json-tests.el | 28 +++++++++++++++++
 3 files changed, 72 insertions(+), 44 deletions(-)