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vim-patch:8.1.1756: autocommand that splits window messes up window layout

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Problem:    Autocommand that splits window messes up window layout.
Solution:   Disallow splitting a window while closing one.  In ":all" give an
            error when moving a window will not work.
1417c766f5

Expected error number was changed to E242 in Vim in patch 8.2.1183, and
patch 8.2.2420 (which has already been ported) made the test no longer
throw E249 in Vim, so just use E242 in the test.
This commit is contained in:
zeertzjq
2022-04-20 10:26:33 +08:00
parent 5c4ec25478
commit 9b10b4cc64
4 changed files with 64 additions and 14 deletions
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4
src/nvim/buffer.c
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@@ -4855,6 +4855,10 @@ void do_arg_all(int count, int forceit, int keep_tabs)
if (keep_tabs) {
new_curwin = wp;
new_curtab = curtab;
} else if (wp->w_frame->fr_parent != curwin->w_frame->fr_parent) {
emsg(_("E249: window layout changed unexpectedly"));
i = count;
break;
} else {
win_move_after(wp, curwin);
}