diff options
| -rw-r--r-- | src/nvim/spell.c | 2 | ||||
| -rw-r--r-- | src/nvim/testdir/test_spell.vim | 10 |
2 files changed, 11 insertions, 1 deletions
diff --git a/src/nvim/spell.c b/src/nvim/spell.c index e597877a52..8ae846e074 100644 --- a/src/nvim/spell.c +++ b/src/nvim/spell.c @@ -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--; diff --git a/src/nvim/testdir/test_spell.vim b/src/nvim/testdir/test_spell.vim index ce21b8bdc9..215d4387d6 100644 --- a/src/nvim/testdir/test_spell.vim +++ b/src/nvim/testdir/test_spell.vim @@ -72,6 +72,16 @@ func Test_z_equal_on_invalid_utf8_word() bwipe! endfunc +func Test_z_equal_on_single_character() + " this was decrementing the index below zero + new + norm a0\Ê + norm zW + norm z= + + bwipe! +endfunc + " Test spellbadword() with argument func Test_spellbadword() set spell |