docs: function(parser, expr){
      this.addAngularVariable(parser);
      switch(expr.arguments.length){
        case 1: return this._parseModuleCallSingleArgument(parser, expr);
        case 2: return this._parseModuleCallTwoArgument(parser, expr);
        case 3: return this._parseModuleCallThreeArgument(parser, expr);
        default:
          console.warn("Don't recognise angular.module() with " +
                       expr.arguments.length + " args");
      }
    }