text: // concat
  // --------------------------------------------------------------------------
  // Simple helper to concat string
  
  module.exports.register = function (Handlebars) {
    'use strict';
  
    Handlebars.registerHelper('concat', function (/* string1, string2, string3 */) {
      // if you provide several keys, they will be concatenated
      var tests = [].splice.call(arguments, 0);
      // remove options
      tests.splice(-1, 1);
      return tests.join('');
    });
  };
  