Run `grunt`.

docs/dist/css/bootstrap.css

@@ -2649,6 +2649,7 @@ input[type="search"] {
 }
 .radio-inline,
 .checkbox-inline {
+  position: relative;
   display: inline-block;
   padding-left: 20px;
   margin-bottom: 0;

docs/dist/js/bootstrap.js

@@ -307,10 +307,10 @@ if (typeof jQuery === 'undefined') {
     this.$element    = $(element)
     this.$indicators = this.$element.find('.carousel-indicators')
     this.options     = options
-    this.paused      =
-    this.sliding     =
-    this.interval    =
-    this.$active     =
+    this.paused      = null
+    this.sliding     = null
+    this.interval    = null
+    this.$active     = null
     this.$items      = null
 
     this.options.keyboard && this.$element.on('keydown.bs.carousel', $.proxy(this.keydown, this))
@@ -812,7 +812,7 @@ if (typeof jQuery === 'undefined') {
       return $this.trigger('click')
     }
 
-    var desc = ' li:not(.divider):visible a'
+    var desc = ' li:not(.disabled):visible a'
     var $items = $parent.find('[role="menu"]' + desc + ', [role="listbox"]' + desc)
 
     if (!$items.length) return
@@ -916,12 +916,13 @@ if (typeof jQuery === 'undefined') {
   // ======================
 
   var Modal = function (element, options) {
-    this.options        = options
-    this.$body          = $(document.body)
-    this.$element       = $(element)
-    this.$backdrop      =
-    this.isShown        = null
-    this.scrollbarWidth = 0
+    this.options         = options
+    this.$body           = $(document.body)
+    this.$element        = $(element)
+    this.$backdrop       = null
+    this.isShown         = null
+    this.originalBodyPad = null
+    this.scrollbarWidth  = 0
 
     if (this.options.remote) {
       this.$element
@@ -1150,17 +1151,23 @@ if (typeof jQuery === 'undefined') {
   }
 
   Modal.prototype.checkScrollbar = function () {
-    this.bodyIsOverflowing = document.body.scrollHeight > document.documentElement.clientHeight
+    var fullWindowWidth = window.innerWidth
+    if (!fullWindowWidth) { // workaround for missing window.innerWidth in IE8
+      var documentElementRect = document.documentElement.getBoundingClientRect()
+      fullWindowWidth = documentElementRect.right - Math.abs(documentElementRect.left)
+    }
+    this.bodyIsOverflowing = document.body.clientWidth < fullWindowWidth
     this.scrollbarWidth = this.measureScrollbar()
   }
 
   Modal.prototype.setScrollbar = function () {
     var bodyPad = parseInt((this.$body.css('padding-right') || 0), 10)
+    this.originalBodyPad = document.body.style.paddingRight || ''
     if (this.bodyIsOverflowing) this.$body.css('padding-right', bodyPad + this.scrollbarWidth)
   }
 
   Modal.prototype.resetScrollbar = function () {
-    this.$body.css('padding-right', '')
+    this.$body.css('padding-right', this.originalBodyPad)
   }
 
   Modal.prototype.measureScrollbar = function () { // thx walsh
@@ -1242,11 +1249,11 @@ if (typeof jQuery === 'undefined') {
   // ===============================
 
   var Tooltip = function (element, options) {
-    this.type       =
-    this.options    =
-    this.enabled    =
-    this.timeout    =
-    this.hoverState =
+    this.type       = null
+    this.options    = null
+    this.enabled    = null
+    this.timeout    = null
+    this.hoverState = null
     this.$element   = null
 
     this.init('tooltip', element, options)
@@ -1519,7 +1526,7 @@ if (typeof jQuery === 'undefined') {
 
   Tooltip.prototype.hide = function (callback) {
     var that = this
-    var $tip = this.tip()
+    var $tip = $(this.$tip)
     var e    = $.Event('hide.bs.' + this.type)
 
     function complete() {
@@ -1536,7 +1543,7 @@ if (typeof jQuery === 'undefined') {
 
     $tip.removeClass('in')
 
-    $.support.transition && this.$tip.hasClass('fade') ?
+    $.support.transition && $tip.hasClass('fade') ?
       $tip
         .one('bsTransitionEnd', complete)
         .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :
@@ -1779,11 +1786,6 @@ if (typeof jQuery === 'undefined') {
     return (this.$arrow = this.$arrow || this.tip().find('.arrow'))
   }
 
-  Popover.prototype.tip = function () {
-    if (!this.$tip) this.$tip = $(this.options.template)
-    return this.$tip
-  }
-
 
   // POPOVER PLUGIN DEFINITION
   // =========================
@@ -1832,10 +1834,8 @@ if (typeof jQuery === 'undefined') {
   // ==========================
 
   function ScrollSpy(element, options) {
-    var process  = $.proxy(this.process, this)
-
-    this.$body          = $('body')
-    this.$scrollElement = $(element).is('body') ? $(window) : $(element)
+    this.$body          = $(document.body)
+    this.$scrollElement = $(element).is(document.body) ? $(window) : $(element)
     this.options        = $.extend({}, ScrollSpy.DEFAULTS, options)
     this.selector       = (this.options.target || '') + ' .nav li > a'
     this.offsets        = []
@@ -1843,7 +1843,7 @@ if (typeof jQuery === 'undefined') {
     this.activeTarget   = null
     this.scrollHeight   = 0
 
-    this.$scrollElement.on('scroll.bs.scrollspy', process)
+    this.$scrollElement.on('scroll.bs.scrollspy', $.proxy(this.process, this))
     this.refresh()
     this.process()
   }
@@ -1859,20 +1859,19 @@ if (typeof jQuery === 'undefined') {
   }
 
   ScrollSpy.prototype.refresh = function () {
-    var offsetMethod = 'offset'
-    var offsetBase   = 0
+    var that          = this
+    var offsetMethod  = 'offset'
+    var offsetBase    = 0
+
+    this.offsets      = []
+    this.targets      = []
+    this.scrollHeight = this.getScrollHeight()
 
     if (!$.isWindow(this.$scrollElement[0])) {
       offsetMethod = 'position'
       offsetBase   = this.$scrollElement.scrollTop()
     }
 
-    this.offsets = []
-    this.targets = []
-    this.scrollHeight = this.getScrollHeight()
-
-    var self     = this
-
     this.$body
       .find(this.selector)
       .map(function () {
@@ -1887,8 +1886,8 @@ if (typeof jQuery === 'undefined') {
       })
       .sort(function (a, b) { return a[0] - b[0] })
       .each(function () {
-        self.offsets.push(this[0])
-        self.targets.push(this[1])
+        that.offsets.push(this[0])
+        that.targets.push(this[1])
       })
   }
 
@@ -1928,8 +1927,8 @@ if (typeof jQuery === 'undefined') {
     this.clear()
 
     var selector = this.selector +
-        '[data-target="' + target + '"],' +
-        this.selector + '[href="' + target + '"]'
+      '[data-target="' + target + '"],' +
+      this.selector + '[href="' + target + '"]'
 
     var active = $(selector)
       .parents('li')
@@ -2169,8 +2168,8 @@ if (typeof jQuery === 'undefined') {
       .on('click.bs.affix.data-api',  $.proxy(this.checkPositionWithEventLoop, this))
 
     this.$element     = $(element)
-    this.affixed      =
-    this.unpin        =
+    this.affixed      = null
+    this.unpin        = null
     this.pinnedOffset = null
 
     this.checkPosition()