From e4bbe09dcc03d09c08ef55a69deff3b24a976dbd Mon Sep 17 00:00:00 2001 From: Jan Edmund Lazo Date: Mon, 18 Aug 2025 01:06:14 -0400 Subject: [PATCH] vim-patch:8.2.4379: an empty change is reported to a listener Problem: An empty change is reported to a listener. Solution: Do not report an empty change. (closes vim/vim#9768) Remove unused return value. https://github.com/vim/vim/commit/55737c2a31ed450dd7bf2a9c587adfbb32b755bb Co-authored-by: Bram Moolenaar --- src/nvim/undo.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/src/nvim/undo.c b/src/nvim/undo.c index 029ead86f0..d5e47b3c81 100644 --- a/src/nvim/undo.c +++ b/src/nvim/undo.c @@ -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.