text: /**
   * Copyright 2017 Google Inc.
   * 
   * 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.
   */
  
  // Contributed by ribrdb @ code.google.com
  
  /**
   * @fileoverview
   * Registers a language handler for YAML.
   *
   * @author ribrdb
   */
  
  PR['registerLangHandler'](
    PR['createSimpleLexer'](
      [
        [PR['PR_PUNCTUATION'], /^[:|>?]+/, null, ':|>?'],
        [PR['PR_DECLARATION'],  /^%(?:YAML|TAG)[^#\r\n]+/, null, '%'],
        [PR['PR_TYPE'], /^[&]\S+/, null, '&'],
        [PR['PR_TYPE'], /^!\S*/, null, '!'],
        [PR['PR_STRING'], /^"(?:[^\\"]|\\.)*(?:"|$)/, null, '"'],
        [PR['PR_STRING'], /^'(?:[^']|'')*(?:'|$)/, null, "'"],
        [PR['PR_COMMENT'], /^#[^\r\n]*/, null, '#'],
        [PR['PR_PLAIN'], /^\s+/, null, ' \t\r\n']
      ],
      [
        [PR['PR_DECLARATION'], /^(?:---|\.\.\.)(?:[\r\n]|$)/],
        [PR['PR_PUNCTUATION'], /^-/],
        [PR['PR_KEYWORD'], /^\w+:[ \r\n]/],
        [PR['PR_PLAIN'], /^\w+/]
      ]), ['yaml', 'yml']);
  