patch 8.2.4919: can add invalid bytes with :spellgood
Problem: Can add invalid bytes with :spellgood.
Solution: Check for a valid word string.
diff --git a/src/spellfile.c b/src/spellfile.c
index 22cf82d..f0d6d96 100644
--- a/src/spellfile.c
+++ b/src/spellfile.c
@@ -4390,6 +4390,10 @@
int res = OK;
char_u *p;
+ // Avoid adding illegal bytes to the word tree.
+ if (enc_utf8 && !utf_valid_string(word, NULL))
+ return FAIL;
+
(void)spell_casefold(curwin, word, len, foldword, MAXWLEN);
for (p = pfxlist; res == OK; ++p)
{
@@ -6190,6 +6194,12 @@
int i;
char_u *spf;
+ if (enc_utf8 && !utf_valid_string(word, NULL))
+ {
+ emsg(_(e_illegal_character_in_word));
+ return;
+ }
+
if (idx == 0) // use internal wordlist
{
if (int_wordlist == NULL)