patch 8.1.1332: cannot flush listeners without redrawing, mix of changes commit https://github.com/vim/vim/commit/fe1ade0a78a70a4c7ddaebb6964497f037f4997a Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 14 21:20:36 2019 +0200 patch 8.1.1332: cannot flush listeners without redrawing, mix of changes Problem: Cannot flush change listeners without also redrawing. The line numbers in the list of changes may become invalid. Solution: Add listener_flush(). Invoke listeners before adding a change that makes line numbers invalid.

" Print all interface versions and write the result into if_ver.txt.
" For Ubuntu. Part 1.

redir! > if_ver.txt
if 1
  echo "*** Interface versions ***"
  echo "\nLua:"
  lua print(_VERSION)
  " echo "\nLuaJIT:"
  " lua print(jit.version)
  if has('mzscheme')
    echo "\nMzScheme:"
    mzscheme (display (version))
  endif
  echo "\nPerl:"
  perl print $^V
  echo "\nRuby:"
  ruby print RUBY_VERSION
  if has('tcl')
    echo "\nTcl:"
    tcl puts [info patchlevel]
  endif
  echo "\nPython 2:"
  python import sys; print sys.version
endif
redir END