text: // NOTICE!! DO NOT USE ANY OF THIS JAVASCRIPT
  // IT'S JUST JUNK FOR OUR DOCS!
  // ++++++++++++++++++++++++++++++++++++++++++
  /*!
   * Copyright 2014 Twitter, Inc.
   *
   * Licensed under the Creative Commons Attribution 3.0 Unported License. For
   * details, see http://creativecommons.org/licenses/by/3.0/.
   */
  // Intended to prevent false-positive bug reports about-section Bootstrap not working properly in old versions of IE due to folks testing using IE's unreliable emulation modes.
  (function () {
    'use strict';
  
    function emulatedIEMajorVersion() {
      var groups = /MSIE ([0-9.]+)/.exec(window.navigator.userAgent)
      if (groups === null) {
        return null
      }
      var ieVersionNum = parseInt(groups[1], 10)
      var ieMajorVersion = Math.floor(ieVersionNum)
      return ieMajorVersion
    }
  
    function actualNonEmulatedIEMajorVersion() {
      // Detects the actual version of IE in use, even if it's in an older-IE emulation mode.
      // IE JavaScript conditional compilation docs: http://msdn.microsoft.com/en-us/library/ie/121hztk3(v=vs.94).aspx
      // @cc_on docs: http://msdn.microsoft.com/en-us/library/ie/8ka90k2e(v=vs.94).aspx
      var jscriptVersion = new Function('/*@cc_on return @_jscript_version; @*/')() // jshint ignore:line
      if (jscriptVersion === undefined) {
        return 11 // IE11+ not in emulation mode
      }
      if (jscriptVersion < 9) {
        return 8 // IE8 (or lower; haven't tested on IE<8)
      }
      return jscriptVersion // IE9 or IE10 in any mode, or IE11 in non-IE11 mode
    }
  
    var ua = window.navigator.userAgent
    if (ua.indexOf('Opera') > -1 || ua.indexOf('Presto') > -1) {
      return // Opera, which might pretend to be IE
    }
    var emulated = emulatedIEMajorVersion()
    if (emulated === null) {
      return // Not IE
    }
    var nonEmulated = actualNonEmulatedIEMajorVersion()
  
    if (emulated !== nonEmulated) {
      window.alert('WARNING: You appear to be using IE' + nonEmulated + ' in IE' + emulated + ' emulation mode.\nIE emulation modes can behave significantly differently from ACTUAL older versions of IE.\nPLEASE DON\'T FILE BOOTSTRAP BUGS based on testing in IE emulation modes!')
    }
  })();
  