patch 9.1.0001: when closing window, wincmd p may fail Commit: https://github.com/vim/vim/commit/bf44b69d1f91d9778ae1887128c63d35d9a3d19b Author: Sean Dewar <seandewar@users.noreply.github.com> Date: Wed Jan 3 18:52:52 2024 +0100 patch 9.1.0001: when closing window, wincmd p may fail Avoid `prevwin == curwin` when closing `curwin` Problem: When closing the current window (or when moving it to a tabpage), the previous window may refer to the new current window (`winnr() == winnr('#')`) if that window is selected as the new current window. Solution: Set `prevwin = NULL` when switching away from an invalid `curwin` and the target window was the `prevwin`. (Sean Dewar) related: #4537 closes: #13762 Signed-off-by: Sean Dewar <seandewar@users.noreply.github.com> Signed-off-by: Christian Brabandt <cb@256bit.org>