commit https://github.com/vim/vim/commit/517ffbee0d5b7b46320726faaa330b61f54e867c Author: Bram Moolenaar <Bram@vim.org> Date: Wed Apr 20 14:59:29 2016 +0200 patch 7.4.1755 Problem: When using getreg() on a non-existing register a NULL list is returned. (Bjorn Linse) Solution: Allocate an empty list. Add a test.

/* json.c */
char_u *json_encode(typval_T *val, int options);
char_u *json_encode_nr_expr(int nr, typval_T *val, int options);
int json_decode_all(js_read_T *reader, typval_T *res, int options);
int json_decode(js_read_T *reader, typval_T *res, int options);
int json_find_end(js_read_T *reader, int options);
/* vim: set ft=c : */