Philipp Stephani <p.stephani2@gmail.com> schrieb am Sa., 23. Dez. 2017 um
17:59 Uhr:

> * src/coding.h (EOL_SEEN_NONE, EOL_SEEN_LF, EOL_SEEN_CR)
> (EOL_SEEN_CRLF): Move from coding.c.
>
> * src/coding.c (check_utf_8): Make extern.
>
> * src/json.c (json_check_utf8): New helper function.
> (lisp_to_json_toplevel_1, lisp_to_json): Use it.  To save a bit of
> time, check for invalid UTF-8 strings only after encountering an
> error, since Jansson already rejects them.
>
> * test/src/json-tests.el (json-serialize/invalid-unicode): Adapt
> expected error symbol.
>

I've pushed a slight variant of this patch to master as a5835dfee1. The
only difference is that the UTF-8 check is factored out into a helper
function in coding.c.