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vim-patch:8.2.4379: an empty change is reported to a listener

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Problem:    An empty change is reported to a listener.
Solution:   Do not report an empty change. (closes vim/vim#9768)  Remove unused
            return value.

55737c2a31

Co-authored-by: Bram Moolenaar <Bram@vim.org>
This commit is contained in:
Jan Edmund Lazo
2025-08-18 01:06:14 -04:00
committed by zeertzjq
parent b0ed4a3cb8
commit e4bbe09dcc
1 changed files with 8 additions and 6 deletions
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14
src/nvim/undo.c
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@@ -2380,12 +2380,14 @@ static void u_undoredo(bool undo, bool do_buf_event)
}
}
changed_lines(curbuf, top + 1, 0, bot, newsize - oldsize, do_buf_event);
// When text has been changed, possibly the start of the next line
// may have SpellCap that should be removed or it needs to be
// displayed. Schedule the next line for redrawing just in case.
if (spell_check_window(curwin) && bot <= curbuf->b_ml.ml_line_count) {
redrawWinline(curwin, bot);
if (oldsize > 0 || newsize > 0) {
changed_lines(curbuf, top + 1, 0, bot, newsize - oldsize, do_buf_event);
// When text has been changed, possibly the start of the next line
// may have SpellCap that should be removed or it needs to be
// displayed. Schedule the next line for redrawing just in case.
if (spell_check_window(curwin) && bot <= curbuf->b_ml.ml_line_count) {
redrawWinline(curwin, bot);
}
}
// Set the '[ mark.