message: Disallow all forms of :help
  With neovim enabled, :h will replace your file with the output of help. While supporting :help by putting it into a new buffer at some point could be cool, this is...not good.
diff: @@ -67,7 +67,7 @@ class CommandLine {
  command = command.slice(1);
  }
  - if (command === 'help') {
  + if ('help'.startsWith(command.split(/\s/)[0])) {
  StatusBar.Set(`:help Not supported.`, vimState.currentMode, vimState.isRecordingMacro, true);
  return;
  }
  