patch 8.2.3363: when :edit reuses the current buffer the alternate file is set Commit: https://github.com/vim/vim/commit/b8bd2e6ebab03baf2672067067a599df69a278c0 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 21 17:13:14 2021 +0200 patch 8.2.3363: when :edit reuses the current buffer the alternate file is set Problem: When :edit reuses the current buffer the alternate file is set to the same buffer. Solution: Only set the alternate file when not reusing the buffer. (closes #8783)

" 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(vim.lua_version, jit and "(LuaJIT)" or "")

  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