commit https://github.com/vim/vim/commit/1000565c3a2439c9a7c9759284814dbf3b8bc20d Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 31 21:03:23 2015 +0100 patch 7.4.1012 Problem: Vim overwrites the value of $PYTHONHOME. Solution: Do not set $PYTHONHOME if it is already set. (Kazuki Sakamoto, closes https://github.com/vim/vim/issues/500)

Test for expanding file names

STARTTEST
:!mkdir Xdir1
:!mkdir Xdir2
:!mkdir Xdir3
:cd Xdir3
:!mkdir Xdir4
:cd ..
:w Xdir1/file
:w Xdir3/Xdir4/file
:n Xdir?/*/file
Go%:.w! test.out
:n! Xdir?/*/nofile
Go%:.w >>test.out
:e! xx
:!rm -rf Xdir1 Xdir2 Xdir3
:qa!
ENDTEST