commit https://github.com/vim/vim/commit/55fab439a6f3bba6dbe780ac034b84d5822a1a96 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 7 16:53:13 2016 +0100 patch 7.4.1278 Problem: When jsonencode() fails it still returns something. Solution: Return an empty string on failure.

/* digraph.c */
int do_digraph(int c);
int get_digraph(int cmdline);
int getdigraph(int char1, int char2, int meta_char);
void putdigraph(char_u *str);
void listdigraphs(void);
char_u *keymap_init(void);
void ex_loadkeymap(exarg_T *eap);
/* vim: set ft=c : */