message: Allow =[] in arguments.
diff: @@ -28,6 +28,7 @@ monaco.languages.setMonarchTokensProvider("shell", {
  command: [
  [/\s+/, "spaces"],
  [/@word/, "argument"],
  + [/[=[\]]/, "argument"],
  {
  regex: /\|\|/,
  action: {token: "or", next: "@pop"},
  