patch 8.2.2340: win_execute() unexpectedly returns number zero when failing Commit: https://github.com/vim/vim/commit/37487e16da7877129edee8d11b9b7f5c8df312c6 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 12 22:08:53 2021 +0100 patch 8.2.2340: win_execute() unexpectedly returns number zero when failing Problem: win_execute() unexpectedly returns number zero when failing. Solution: Return an empty string. (closes https://github.com/vim/vim/issues/7665)

" Print all interface versions for Ubuntu. Part 1.

if 1
  execute 'source' expand('<sfile>:h') .. '/if_ver-cmd.vim'

  echo "*** Interface versions ***\n"

  echo 'Lua:'
  PrintVer lua print(_VERSION)

  echo 'MzScheme:'
  PrintVer mzscheme (display (version))

  echo 'Perl:'
  PrintVer perl print $^V

  echo 'Ruby:'
  PrintVer ruby print RUBY_VERSION

  echo 'Tcl:'
  PrintVer tcl puts [info patchlevel]

  echo 'Python 2:'
  PrintVer python print sys.version
endif