text: //     wink-nlp
  //
  //     Copyright (C) GRAYPE Systems Private Limited
  //
  //     This file is part of “wink-nlp”.
  //
  //     Permission is hereby granted, free of charge, to any
  //     person obtaining a copy of this software and
  //     associated documentation files (the "Software"), to
  //     deal in the Software without restriction, including
  //     without limitation the rights to use, copy, modify,
  //     merge, publish, distribute, sublicense, and/or sell
  //     copies of the Software, and to permit persons to
  //     whom the Software is furnished to do so, subject to
  //     the following conditions:
  //
  //     The above copyright notice and this permission notice
  //     shall be included in all copies or substantial
  //     portions of the Software.
  //
  //     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
  //     ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
  //     TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  //     PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  //     THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  //     DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
  //     CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  //     CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  //     DEALINGS IN THE SOFTWARE.
  
  //
  
  var findOutOfSeqTokens = function ( doc ) {
    const outOfSequence = [];
    doc.tokens()
       .each( ( t, k ) => {
         if ( t.index( ) !== k ) {
           outOfSequence.push( k );
         }
       } );
    return outOfSequence;
  }; // findOutOfSeqTokens()
  
  module.exports = findOutOfSeqTokens;
  