old_contents: /**
  * @license Apache-2.0
  *
  * Copyright (c) 2018 The Stdlib Authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
  
  'use strict';
  
  // MODULES //
  
  var format = require( '@stdlib/string/format' );
  var stdout = require( './stdout' );
  
  
  // MAIN //
  
  /**
  * Generates a plot view.
  *
  * @private
  * @param {Plot} plot - plot context
  * @param {string} viewer - plot viewer
  * @param {VTree} vtree - virtual tree
  * @throws {Error} must specify a supported viewer
  * @returns {void}
  */
  function view( plot, viewer, vtree ) {
  	if ( viewer === 'none' ) {
  		return;
  	}
  	if ( viewer === 'stdout' ) {
  		return stdout( vtree );
  	}
  	if ( viewer === 'browser' ) {
  		throw new Error( format( 'invalid argument. Must provide a supported viewer. Value: `%s`.', viewer ) );
  	}
  	if ( viewer === 'terminal' ) {
  		// TODO: ASCII
  		return;
  	}
  	throw new Error( 'invalid argument. Must provide a supported viewer. Value: `%s`.', viewer ) );
  }
  
  
  // EXPORTS //
  
  module.exports = view;
  
new_contents: /**
  * @license Apache-2.0
  *
  * Copyright (c) 2018 The Stdlib Authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
  
  'use strict';
  
  // MODULES //
  
  var format = require( '@stdlib/string/format' );
  var stdout = require( './stdout' );
  
  
  // MAIN //
  
  /**
  * Generates a plot view.
  *
  * @private
  * @param {Plot} plot - plot context
  * @param {string} viewer - plot viewer
  * @param {VTree} vtree - virtual tree
  * @throws {Error} must specify a supported viewer
  * @returns {void}
  */
  function view( plot, viewer, vtree ) {
  	if ( viewer === 'none' ) {
  		return;
  	}
  	if ( viewer === 'stdout' ) {
  		return stdout( vtree );
  	}
  	if ( viewer === 'browser' ) {
  		throw new Error( format( 'invalid argument. Must provide a supported viewer. Value: `%s`.', viewer ) );
  	}
  	if ( viewer === 'terminal' ) {
  		// TODO: ASCII
  		return;
  	}
  	throw new Error( format( 'invalid argument. Must provide a supported viewer. Value: `%s`.', viewer ) );
  }
  
  
  // EXPORTS //
  
  module.exports = view;
  
subject: Fix syntax error