patch 8.2.4919: can add invalid bytes with :spellgood Commit: https://github.com/vim/vim/commit/7c824682d2028432ee082703ef0ab399867a089b Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 8 22:32:58 2022 +0100 patch 8.2.4919: can add invalid bytes with :spellgood Problem: Can add invalid bytes with :spellgood. Solution: Check for a valid word string.

/* spellsuggest.c */
int spell_check_sps(void);
void spell_suggest(int count);
void spell_suggest_list(garray_T *gap, char_u *word, int maxcount, int need_cap, int interactive);
/* vim: set ft=c : */