patch 9.0.0138: not enough characters accepted for 'spellfile' Commit: https://github.com/vim/vim/commit/bc49c5f48f89c2d6f4d88ee77f44a11d68293be3 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Aug 4 13:01:48 2022 +0100 patch 9.0.0138: not enough characters accepted for 'spellfile' Problem: Not enough characters accepted for 'spellfile'. Solution: Add vim_is_fname_char() and use it for 'spellfile'.

--- a/src/spell.c
+++ b/src/spell.c
@@ -4363,7 +4363,7 @@ valid_spellfile(char_u *val)
     char_u *s;
 
     for (s = val; *s != NUL; ++s)
-	if (!vim_isfilec(*s) && *s != ',' && *s != ' ')
+	if (!vim_is_fname_char(*s))
 	    return FALSE;
     return TRUE;
 }