commit https://github.com/vim/vim/commit/e59215c7dcae17b03daf39517560cfaa03314f5a Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 14 19:08:45 2016 +0200 patch 7.4.2212 Problem: Mark " is not set when closing a window in another tab. (Guraga) Solution: Check all tabs for the window to be valid. (based on patch by Hirohito Higashi, closes https://github.com/vim/vim/issues/974)

Test for Bufleave autocommand that deletes the buffer we are about to edit.

STARTTEST
:so small.vim
:au BufLeave test9.in bwipe yy
:e yy
:/^start of/,$w! test.out      " Write contents of this file
:qa!
ENDTEST

start of test file xx
end of test file xx