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vim-patch:8.2.5123: using invalid index when looking for spell suggestions

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Problem:    Using invalid index when looking for spell suggestions.
Solution:   Do not decrement the index when it is zero.
156d391195
This commit is contained in:
zeertzjq
2022-06-18 21:12:14 +08:00
parent 80af2c6055
commit f0d4007f62
2 changed files with 11 additions and 1 deletions
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2
src/nvim/spell.c
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@@ -4399,7 +4399,7 @@ static void suggest_trie_walk(suginfo_T *su, langp_T *lp, char_u *fword, bool so
sp->ts_fcharstart = sp->ts_fidx - 1;
sp->ts_isdiff = (newscore != 0)
? DIFF_YES : DIFF_NONE;
} else if (sp->ts_isdiff == DIFF_INSERT) {
} else if (sp->ts_isdiff == DIFF_INSERT && sp->ts_fidx > 0) {
// When inserting trail bytes don't advance in the
// bad word.
sp->ts_fidx--;