patch 9.0.1199: crash when using kitty and using a mapping with <Esc> Commit: https://github.com/vim/vim/commit/584b853ee034754edd278d15f2966ac3d8c9d72c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 14 21:07:07 2023 +0000 patch 9.0.1199: crash when using kitty and using a mapping with <Esc> Problem: Crash when using kitty and using a mapping with <Esc>. Solution: Do not try setting did_simplify when it is NULL. (closes https://github.com/vim/vim/issues/11817)

/* logfile.c */
void ch_logfile(char_u *fname, char_u *opt);
int ch_log_active(void);
void ch_log_literal(char *lead, channel_T *ch, ch_part_T part, char_u *buf, int len);
void f_ch_log(typval_T *argvars, typval_T *rettv);
void f_ch_logfile(typval_T *argvars, typval_T *rettv);
/* vim: set ft=c : */