Update to MediaWiki 1.21.1

12 files changed, 400 insertions, 339 deletions

diff --git a/resources/mediawiki.special/mediawiki.special.block.js b/resources/mediawiki.special/mediawiki.special.block.js
index 6f79929b..2a158dfb 100644
--- a/resources/mediawiki.special/mediawiki.special.block.js
+++ b/resources/mediawiki.special/mediawiki.special.block.js
@@ -1,46 +1,46 @@
-/* JavaScript for Special:Block */
+/**
+ * JavaScript for Special:Block
+ */
+( function ( mw, $ ) {
+	$( document ).ready( function () {
+		var $blockTarget = $( '#mw-bi-target' ),
+			$anonOnlyRow = $( '#mw-input-wpHardBlock' ).closest( 'tr' ),
+			$enableAutoblockRow = $( '#mw-input-wpAutoBlock' ).closest( 'tr' ),
+			$hideUser = $( '#mw-input-wpHideUser' ).closest( 'tr' ),
+			$watchUser = $( '#mw-input-wpWatch' ).closest( 'tr' );
 
-jQuery( function( $ ) {
+		function updateBlockOptions( instant ) {
+			var blocktarget = $.trim( $blockTarget.val() ),
+				isEmpty = blocktarget === '',
+				isIp = mw.util.isIPv4Address( blocktarget, true ) || mw.util.isIPv6Address( blocktarget, true ),
+				isIpRange = isIp && blocktarget.match( /\/\d+$/ );
 
-	var	DO_INSTANT = true,
-		$blockTarget = $( '#mw-bi-target' ),
-		$anonOnlyRow = $( '#mw-input-wpHardBlock' ).closest( 'tr' ),
-		$enableAutoblockRow = $( '#mw-input-wpAutoBlock' ).closest( 'tr' ),
-		$hideUser = $( '#mw-input-wpHideUser' ).closest( 'tr' ),
-		$watchUser = $( '#mw-input-wpWatch' ).closest( 'tr' );
-
-	var updateBlockOptions = function( instant ) {
-		if ( !$blockTarget.length ) {
-			return;
+			if ( isIp && !isEmpty ) {
+				$enableAutoblockRow.goOut( instant );
+				$hideUser.goOut( instant );
+			} else {
+				$enableAutoblockRow.goIn( instant );
+				$hideUser.goIn( instant );
+			}
+			if ( !isIp && !isEmpty ) {
+				$anonOnlyRow.goOut( instant );
+			} else {
+				$anonOnlyRow.goIn( instant );
+			}
+			if ( isIpRange && !isEmpty ) {
+				$watchUser.goOut( instant );
+			} else {
+				$watchUser.goIn( instant );
+			}
 		}
 
-		var blocktarget = $.trim( $blockTarget.val() );
-		var isEmpty = ( blocktarget === '' );
-		var isIp = mw.util.isIPv4Address( blocktarget, true ) || mw.util.isIPv6Address( blocktarget, true );
-		var isIpRange = isIp && blocktarget.match( /\/\d+$/ );
+		if ( $blockTarget.length ) {
+			// Bind functions so they're checked whenever stuff changes
+			$blockTarget.keyup( updateBlockOptions );
 
-		if ( isIp && !isEmpty ) {
-			$enableAutoblockRow.goOut( instant );
-			$hideUser.goOut( instant );
-		} else {
-			$enableAutoblockRow.goIn( instant );
-			$hideUser.goIn( instant );
-		}
-		if ( !isIp && !isEmpty ) {
-			$anonOnlyRow.goOut( instant );
-		} else {
-			$anonOnlyRow.goIn( instant );
+			// Call them now to set initial state (ie. Special:Block/Foobar?wpBlockExpiry=2+hours)
+			updateBlockOptions( /* instant= */ true );
 		}
-		if ( isIpRange && !isEmpty ) {
-			$watchUser.goOut( instant );
-		} else {
-			$watchUser.goIn( instant );
-		}
-	};
-
-	// Bind functions so they're checked whenever stuff changes
-	$blockTarget.keyup( updateBlockOptions );
+	} );
+}( mediaWiki, jQuery ) );
 
-	// Call them now to set initial state (ie. Special:Block/Foobar?wpBlockExpiry=2+hours)
-	updateBlockOptions( DO_INSTANT );
-});
diff --git a/resources/mediawiki.special/mediawiki.special.changeemail.js b/resources/mediawiki.special/mediawiki.special.changeemail.js
index cab0bbd3..14c2f036 100644
--- a/resources/mediawiki.special/mediawiki.special.changeemail.js
+++ b/resources/mediawiki.special/mediawiki.special.changeemail.js
@@ -1,42 +1,42 @@
-/*
+/**
  * JavaScript for Special:ChangeEmail
  */
 ( function ( mw, $ ) {
+	/**
+	 * Given an email validity status (true, false, null) update the label CSS class
+	 */
+	function updateMailValidityLabel( mail ) {
+		var isValid = mw.util.validateEmail( mail ),
+			$label = $( '#mw-emailaddress-validity' );
 
-/**
- * Given an email validity status (true, false, null) update the label CSS class
- */
-function updateMailValidityLabel( mail ) {
-	var	isValid = mw.util.validateEmail( mail ),
-		$label = $( '#mw-emailaddress-validity' );
-
-	// We allow empty address
-	if( isValid === null ) {
-		$label.text( '' ).removeClass( 'valid invalid' );
+		// We allow empty address
+		if ( isValid === null ) {
+			$label.text( '' ).removeClass( 'valid invalid' );
 
-	// Valid
-	} else if ( isValid ) {
-		$label.text( mw.msg( 'email-address-validity-valid' ) ).addClass( 'valid' ).removeClass( 'invalid' );
+		// Valid
+		} else if ( isValid ) {
+			$label.text( mw.msg( 'email-address-validity-valid' ) ).addClass( 'valid' ).removeClass( 'invalid' );
 
-	// Not valid
-	} else {
-		$label.text( mw.msg( 'email-address-validity-invalid' ) ).addClass( 'invalid' ).removeClass( 'valid' );
+		// Not valid
+		} else {
+			$label.text( mw.msg( 'email-address-validity-invalid' ) ).addClass( 'invalid' ).removeClass( 'valid' );
+		}
 	}
-}
 
-$( document ).ready( function () {
-	// Lame tip to let user know if its email is valid. See bug 22449
-	// Only bind once for 'blur' so that the user can fill it in without errors
-	// After that look at every keypress for direct feedback if it was invalid onblur
-	$( '#wpNewEmail' ).one( 'blur', function () {
-		if ( $( '#mw-emailaddress-validity' ).length === 0 ) {
-			$(this).after( '<label for="wpNewEmail" id="mw-emailaddress-validity"></label>' );
-		}
-		updateMailValidityLabel( $(this).val() );
-		$(this).keyup( function () {
-			updateMailValidityLabel( $(this).val() );
+	$( document ).ready( function () {
+		// Lame tip to let user know if its email is valid. See bug 22449.
+		// Only bind once for 'blur' so that the user can fill it in without errors;
+		// after that, look at every keypress for immediate feedback.
+		$( '#wpNewEmail' ).one( 'blur', function () {
+			var $this = $( this );
+			if ( $( '#mw-emailaddress-validity' ).length === 0 ) {
+				$this.after( '<label for="wpNewEmail" id="mw-emailaddress-validity"></label>' );
+			}
+
+			updateMailValidityLabel( $this.val() );
+			$this.keyup( function () {
+				updateMailValidityLabel( $this.val() );
+			} );
 		} );
 	} );
-} );
-
 }( mediaWiki, jQuery ) );
diff --git a/resources/mediawiki.special/mediawiki.special.changeslist.css b/resources/mediawiki.special/mediawiki.special.changeslist.css
index 8a5421e8..fcdeba1b 100644
--- a/resources/mediawiki.special/mediawiki.special.changeslist.css
+++ b/resources/mediawiki.special/mediawiki.special.changeslist.css
@@ -31,12 +31,12 @@ table.mw-enhanced-rc td.mw-enhanced-rc-nested {
 	float: none;
 }
 
-/* If JS is disabled, the arrow shouldn't be shown */
-.client-nojs .mw-enhancedchanges-arrow.mw-collapsible-toggle {
+/* If JS is disabled, the arrows or the placeholder space shouldn't be shown */
+.client-nojs .mw-enhancedchanges-arrow-space {
 	display: none;
 }
 
-.mw-enhancedchanges-arrow {
+.mw-enhancedchanges-arrow-space {
 	display: inline-block;
 	*display: inline; /* IE7 and below */
 	zoom: 1;
@@ -44,8 +44,9 @@ table.mw-enhanced-rc td.mw-enhanced-rc-nested {
 	height: 15px;
 }
 
-.mw-enhancedchanges-arrow.mw-enhancedchanges-arrow-space {
-	background: none;
+/* let it look like it is clickable */
+.mw-enhancedchanges-arrow.mw-collapsible-toggle {
+	cursor: pointer;
 }
 
 .mw-enhancedchanges-arrow.mw-collapsible-toggle-collapsed {
diff --git a/resources/mediawiki.special/mediawiki.special.javaScriptTest.js b/resources/mediawiki.special/mediawiki.special.javaScriptTest.js
index 808d5fe8..a560ca95 100644
--- a/resources/mediawiki.special/mediawiki.special.javaScriptTest.js
+++ b/resources/mediawiki.special/mediawiki.special.javaScriptTest.js
@@ -8,7 +8,7 @@
 		// (only if a framework was found, not on error pages).
 		$( '#mw-javascripttest-summary.mw-javascripttest-frameworkfound' ).append( function () {
 
-			var	$html = $( '<p><label for="useskin">'
+			var $html = $( '<p><label for="useskin">'
 					+ mw.message( 'javascripttest-pagetext-skins' ).escaped()
 					+ ' '
 					+ '</label></p>' ),
diff --git a/resources/mediawiki.special/mediawiki.special.js b/resources/mediawiki.special/mediawiki.special.js
index 3526cef4..8edb1cbe 100644
--- a/resources/mediawiki.special/mediawiki.special.js
+++ b/resources/mediawiki.special/mediawiki.special.js
@@ -1 +1,5 @@
-mw.special = {};
+/*
+ * Namespace for mediawiki.special.* modules
+ */
+
+mediaWiki.special = {};
diff --git a/resources/mediawiki.special/mediawiki.special.movePage.js b/resources/mediawiki.special/mediawiki.special.movePage.js
index 68c2ed07..f719d07c 100644
--- a/resources/mediawiki.special/mediawiki.special.movePage.js
+++ b/resources/mediawiki.special/mediawiki.special.movePage.js
@@ -1,5 +1,6 @@
-/* JavaScript for Special:MovePage */
-
-jQuery( function( $ ) {
+/**
+ * JavaScript for Special:MovePage
+ */
+jQuery( document ).ready( function ( $ ) {
 	$( '#wpReason, #wpNewTitleMain' ).byteLimit();
-});
+} );
diff --git a/resources/mediawiki.special/mediawiki.special.preferences.js b/resources/mediawiki.special/mediawiki.special.preferences.js
index 47872907..6eaec6a1 100644
--- a/resources/mediawiki.special/mediawiki.special.preferences.js
+++ b/resources/mediawiki.special/mediawiki.special.preferences.js
@@ -1,175 +1,199 @@
-/*
+/**
  * JavaScript for Special:Preferences
  */
 jQuery( document ).ready( function ( $ ) {
-$( '#prefsubmit' ).attr( 'id', 'prefcontrol' );
-var $preftoc = $('<ul id="preftoc"></ul>');
-var $preferences = $( '#preferences' )
-	.addClass( 'jsprefs' )
-	.before( $preftoc );
-
-var $fieldsets = $preferences.children( 'fieldset' )
-	.hide()
-	.addClass( 'prefsection' );
+	var $preftoc, $preferences, $fieldsets, $legends,
+		hash,
+		$tzSelect, $tzTextbox, $localtimeHolder, servertime;
+
+	$( '#prefsubmit' ).attr( 'id', 'prefcontrol' );
+
+	$preftoc = $('<ul id="preftoc"></ul>');
+	$preferences = $( '#preferences' )
+		.addClass( 'jsprefs' )
+		.before( $preftoc );
+	$fieldsets = $preferences.children( 'fieldset' )
+		.hide()
+		.addClass( 'prefsection' );
+	$legends = $fieldsets
+		.children( 'legend' )
+		.addClass( 'mainLegend' );
+
+	/**
+	 * It uses document.getElementById for security reasons (HTML injections in $()).
+	 *
+	 * @param String name: the name of a tab without the prefix ("mw-prefsection-")
+	 * @param String mode: [optional] A hash will be set according to the current
+	 * open section. Set mode 'noHash' to surpress this.
+	 */
+	function switchPrefTab( name, mode ) {
+		var $tab, scrollTop;
+		// Handle hash manually to prevent jumping,
+		// therefore save and restore scrollTop to prevent jumping.
+		scrollTop = $( window ).scrollTop();
+		if ( mode !== 'noHash' ) {
+			window.location.hash = '#mw-prefsection-' + name;
+		}
+		$( window ).scrollTop( scrollTop );
+
+		$preftoc.find( 'li' ).removeClass( 'selected' );
+		$tab = $( document.getElementById( 'preftab-' + name ) );
+		if ( $tab.length ) {
+			$tab.parent().addClass( 'selected' );
+			$preferences.children( 'fieldset' ).hide();
+			$( document.getElementById( 'mw-prefsection-' + name ) ).show();
+		}
+	}
 
-var $legends = $fieldsets.children( 'legend' )
-	.addClass( 'mainLegend' );
+	// Populate the prefToc
+	$legends.each( function ( i, legend ) {
+		var $legend = $(legend),
+			ident, $li, $a;
+		if ( i === 0 ) {
+			$legend.parent().show();
+		}
+		ident = $legend.parent().attr( 'id' );
+
+		$li = $( '<li>' )
+			.addClass( i === 0 ? 'selected' : '' );
+		$a = $( '<a>' )
+			.attr( {
+				id: ident.replace( 'mw-prefsection', 'preftab' ),
+				href: '#' + ident
+			} )
+			.text( $legend.text() );
+		$li.append( $a );
+		$preftoc.append( $li );
+	} );
+
+	// If we've reloaded the page or followed an open-in-new-window,
+	// make the selected tab visible.
+	hash = window.location.hash;
+	if ( hash.match( /^#mw-prefsection-[\w\-]+/ ) ) {
+		switchPrefTab( hash.replace( '#mw-prefsection-' , '' ) );
+	}
 
-/**
- * It uses document.getElementById for security reasons (html injections in
- * jQuery()).
- *
- * @param String name: the name of a tab without the prefix ("mw-prefsection-")
- * @param String mode: [optional] A hash will be set according to the current
- * open section. Set mode 'noHash' to surpress this.
- */
-function switchPrefTab( name, mode ) {
-	var $tab, scrollTop;
-	// Handle hash manually to prevent jumping,
-	// therefore save and restore scrollTop to prevent jumping.
-	scrollTop = $( window ).scrollTop();
-	if ( mode !== 'noHash' ) {
-		window.location.hash = '#mw-prefsection-' + name;
+	// In browsers that support the onhashchange event we will not bind click
+	// handlers and instead let the browser do the default behavior (clicking the
+	// <a href="#.."> will naturally set the hash, handled by onhashchange.
+	// But other things that change the hash will also be catched (e.g. using
+	// the Back and Forward browser navigation).
+	// Note the special check for IE "compatibility" mode.
+	if ( 'onhashchange' in window &&
+		( document.documentMode === undefined || document.documentMode >= 8 )
+	) {
+		$(window).on( 'hashchange' , function () {
+			var hash = window.location.hash;
+			if ( hash.match( /^#mw-prefsection-[\w\-]+/ ) ) {
+				switchPrefTab( hash.replace( '#mw-prefsection-', '' ) );
+			} else if ( hash === '' ) {
+				switchPrefTab( 'personal', 'noHash' );
+			}
+		});
+	// In older browsers we'll bind a click handler as fallback.
+	// We must not have onhashchange *and* the click handlers, other wise
+	// the click handler calls switchPrefTab() which sets the hash value,
+	// which triggers onhashcange and calls switchPrefTab() again.
+	} else {
+		$preftoc.on( 'click', 'li a', function ( e ) {
+			switchPrefTab( $( this ).attr( 'href' ).replace( '#mw-prefsection-', '' ) );
+			e.preventDefault();
+		});
 	}
-	$( window ).scrollTop( scrollTop );
-
-	$preftoc.find( 'li' ).removeClass( 'selected' );
-	$tab = $( document.getElementById( 'preftab-' + name ) );
-	if ( $tab.length ) {
-		$tab.parent().addClass( 'selected' );
-		$preferences.children( 'fieldset' ).hide();
-		$( document.getElementById( 'mw-prefsection-' + name ) ).show();
+
+	/**
+	* Timezone functions.
+	* Guesses Timezone from browser and updates fields onchange
+	*/
+
+	$tzSelect = $( '#mw-input-wptimecorrection' );
+	$tzTextbox = $( '#mw-input-wptimecorrection-other' );
+	$localtimeHolder = $( '#wpLocalTime' );
+	servertime = parseInt( $( 'input[name="wpServerTime"]' ).val(), 10 );
+
+	function minutesToHours( min ) {
+		var tzHour = Math.floor( Math.abs( min ) / 60 ),
+			tzMin = Math.abs( min ) % 60,
+			tzString = ( ( min >= 0 ) ? '' : '-' ) + ( ( tzHour < 10 ) ? '0' : '' ) + tzHour +
+				':' + ( ( tzMin < 10 ) ? '0' : '' ) + tzMin;
+		return tzString;
 	}
-}
 
-// Populate the prefToc
-$legends.each( function ( i, legend ) {
-	var $legend = $(legend);
-	if ( i === 0 ) {
-		$legend.parent().show();
+	function hoursToMinutes( hour ) {
+		var minutes,
+			arr = hour.split( ':' );
+
+		arr[0] = parseInt( arr[0], 10 );
+
+		if ( arr.length === 1 ) {
+			// Specification is of the form [-]XX
+			minutes = arr[0] * 60;
+		} else {
+			// Specification is of the form [-]XX:XX
+			minutes = Math.abs( arr[0] ) * 60 + parseInt( arr[1], 10 );
+			if ( arr[0] < 0 ) {
+				minutes *= -1;
+			}
+		}
+		// Gracefully handle non-numbers.
+		if ( isNaN( minutes ) ) {
+			return 0;
+		} else {
+			return minutes;
+		}
 	}
-	var ident = $legend.parent().attr( 'id' );
-
-	var $li = $( '<li/>', {
-		'class' : ( i === 0 ) ? 'selected' : null
-	});
-	var $a = $( '<a/>', {
-		text : $legend.text(),
-		id : ident.replace( 'mw-prefsection', 'preftab' ),
-		href : '#' + ident
-	});
-	$li.append( $a );
-	$preftoc.append( $li );
-} );
 
-// If we've reloaded the page or followed an open-in-new-window,
-// make the selected tab visible.
-var hash = window.location.hash;
-if ( hash.match( /^#mw-prefsection-[\w\-]+/ ) ) {
-	switchPrefTab( hash.replace( '#mw-prefsection-' , '' ) );
-}
-
-// In browsers that support the onhashchange event we will not bind click
-// handlers and instead let the browser do the default behavior (clicking the
-// <a href="#.."> will naturally set the hash, handled by onhashchange.
-// But other things that change the hash will also be catched (e.g. using
-// the Back and Forward browser navigation).
-if ( 'onhashchange' in window ) {
-	$(window).on( 'hashchange' , function () {
-		var hash = window.location.hash;
-		if ( hash.match( /^#mw-prefsection-[\w\-]+/ ) ) {
-			switchPrefTab( hash.replace( '#mw-prefsection-', '' ) );
-		} else if ( hash === '' ) {
-			switchPrefTab( 'personal', 'noHash' );
+	function updateTimezoneSelection () {
+		var minuteDiff, localTime,
+			type = $tzSelect.val();
+
+		if ( type === 'guess' ) {
+			// Get browser timezone & fill it in
+			minuteDiff = -( new Date().getTimezoneOffset() );
+			$tzTextbox.val( minutesToHours( minuteDiff ) );
+			$tzSelect.val( 'other' );
+			$tzTextbox.prop( 'disabled', false );
+		} else if ( type === 'other' ) {
+			// Grab data from the textbox, parse it.
+			minuteDiff = hoursToMinutes( $tzTextbox.val() );
+		} else {
+			// Grab data from the $tzSelect value
+			minuteDiff = parseInt( type.split( '|' )[1], 10 ) || 0;
+			$tzTextbox.val( minutesToHours( minuteDiff ) );
 		}
-	});
-// In older browsers we'll bind a click handler as fallback.
-// We must not have onhashchange *and* the click handlers, other wise
-// the click handler calls switchPrefTab() which sets the hash value,
-// which triggers onhashcange and calls switchPrefTab() again.
-} else {
-	$preftoc.on( 'click', 'li a', function ( e ) {
-		switchPrefTab( $( this ).attr( 'href' ).replace( '#mw-prefsection-', '' ) );
-		e.preventDefault();
-	});
-}
 
-/**
-* Timezone functions.
-* Guesses Timezone from browser and updates fields onchange
-*/
-
-var $tzSelect = $( '#mw-input-wptimecorrection' );
-var $tzTextbox = $( '#mw-input-wptimecorrection-other' );
-
-var $localtimeHolder = $( '#wpLocalTime' );
-var servertime = parseInt( $( 'input[name=wpServerTime]' ).val(), 10 );
-var minuteDiff = 0;
-
-var minutesToHours = function ( min ) {
-	var tzHour = Math.floor( Math.abs( min ) / 60 );
-	var tzMin = Math.abs( min ) % 60;
-	var tzString = ( ( min >= 0 ) ? '' : '-' ) + ( ( tzHour < 10 ) ? '0' : '' ) + tzHour +
-		':' + ( ( tzMin < 10 ) ? '0' : '' ) + tzMin;
-	return tzString;
-};
-
-var hoursToMinutes = function ( hour ) {
-	var arr = hour.split( ':' );
-	arr[0] = parseInt( arr[0], 10 );
-
-	var minutes;
-	if ( arr.length == 1 ) {
-		// Specification is of the form [-]XX
-		minutes = arr[0] * 60;
-	} else {
-		// Specification is of the form [-]XX:XX
-		minutes = Math.abs( arr[0] ) * 60 + parseInt( arr[1], 10 );
-		if ( arr[0] < 0 ) {
-			minutes *= -1;
+		// Determine local time from server time and minutes difference, for display.
+		localTime = servertime + minuteDiff;
+
+		// Bring time within the [0,1440) range.
+		while ( localTime < 0 ) {
+			localTime += 1440;
 		}
+		while ( localTime >= 1440 ) {
+			localTime -= 1440;
+		}
+		$localtimeHolder.text( minutesToHours( localTime ) );
 	}
-	// Gracefully handle non-numbers.
-	if ( isNaN( minutes ) ) {
-		return 0;
-	} else {
-		return minutes;
-	}
-};
-
-var updateTimezoneSelection = function () {
-	var type = $tzSelect.val();
-	if ( type == 'guess' ) {
-		// Get browser timezone & fill it in
-		minuteDiff = -new Date().getTimezoneOffset();
-		$tzTextbox.val( minutesToHours( minuteDiff ) );
-		$tzSelect.val( 'other' );
-		$tzTextbox.get( 0 ).disabled = false;
-	} else if ( type == 'other' ) {
-		// Grab data from the textbox, parse it.
-		minuteDiff = hoursToMinutes( $tzTextbox.val() );
-	} else {
-		// Grab data from the $tzSelect value
-		minuteDiff = parseInt( type.split( '|' )[1], 10 ) || 0;
-		$tzTextbox.val( minutesToHours( minuteDiff ) );
+
+	if ( $tzSelect.length && $tzTextbox.length ) {
+		$tzSelect.change( updateTimezoneSelection );
+		$tzTextbox.blur( updateTimezoneSelection );
+		updateTimezoneSelection();
 	}
 
-	// Determine local time from server time and minutes difference, for display.
-	var localTime = servertime + minuteDiff;
+	// Preserve the tab after saving the preferences
+	// Not using cookies, because their deletion results are inconsistent.
+	// Not using jStorage due to its enormous size (for this feature)
+	if ( window.sessionStorage ) {
+		if ( sessionStorage.getItem( 'mediawikiPreferencesTab' ) !== null ) {
+			switchPrefTab( sessionStorage.getItem( 'mediawikiPreferencesTab' ), 'noHash' );
+		}
+		// Deleting the key, the tab states should be reset until we press Save
+		sessionStorage.removeItem( 'mediawikiPreferencesTab' );
 
-	// Bring time within the [0,1440) range.
-	while ( localTime < 0 ) {
-		localTime += 1440;
-	}
-	while ( localTime >= 1440 ) {
-		localTime -= 1440;
+		$( '#mw-prefs-form' ).submit( function () {
+			var storageData = $( $preftoc ).find( 'li.selected a' ).attr( 'id' ).replace( 'preftab-', '' );
+			sessionStorage.setItem( 'mediawikiPreferencesTab', storageData );
+		} );
 	}
-	$localtimeHolder.text( minutesToHours( localTime ) );
-};
-
-if ( $tzSelect.length && $tzTextbox.length ) {
-	$tzSelect.change( function () { updateTimezoneSelection(); } );
-	$tzTextbox.blur( function () { updateTimezoneSelection(); } );
-	updateTimezoneSelection();
-}
 } );
diff --git a/resources/mediawiki.special/mediawiki.special.recentchanges.js b/resources/mediawiki.special/mediawiki.special.recentchanges.js
index 7996d935..d1c1354f 100644
--- a/resources/mediawiki.special/mediawiki.special.recentchanges.js
+++ b/resources/mediawiki.special/mediawiki.special.recentchanges.js
@@ -1,39 +1,34 @@
-/* JavaScript for Special:RecentChanges */
+/**
+ * JavaScript for Special:RecentChanges
+ */
 ( function ( mw, $ ) {
+	var rc, $checkboxes, $select;
 
-	var checkboxes = [ 'nsassociated', 'nsinvert' ];
-
-	/**
-	 * @var select {jQuery}
-	 */
-	var $select = null;
-
-	var rc = mw.special.recentchanges = {
-
+	rc = {
 		/**
 		 * Handler to disable/enable the namespace selector checkboxes when the
 		 * special 'all' namespace is selected/unselected respectively.
 		 */
 		updateCheckboxes: function () {
 			// The option element for the 'all' namespace has an empty value
-			var isAllNS = $select.find('option:selected').val() === '';
+			var isAllNS = $select.val() === '';
 
 			// Iterates over checkboxes and propagate the selected option
-			$.each( checkboxes, function ( i, id ) {
-				$( '#' + id ).prop( 'disabled', isAllNS );
-			});
+			$checkboxes.prop( 'disabled', isAllNS );
 		},
 
 		init: function () {
-			// Populate
 			$select = $( '#namespace' );
+			$checkboxes = $( '#nsassociated, #nsinvert' );
 
 			// Bind to change event, and trigger once to set the initial state of the checkboxes.
-			$select.change( rc.updateCheckboxes ).change();
+			rc.updateCheckboxes();
+			$select.change( rc.updateCheckboxes );
 		}
 	};
 
-	// Run when document is ready
-	$( rc.init );
+	$( document ).ready( rc.init );
+
+	mw.special.recentchanges = rc;
 
 }( mediaWiki, jQuery ) );
diff --git a/resources/mediawiki.special/mediawiki.special.search.js b/resources/mediawiki.special/mediawiki.special.search.js
index 04954e8d..2dab3026 100644
--- a/resources/mediawiki.special/mediawiki.special.search.js
+++ b/resources/mediawiki.special/mediawiki.special.search.js
@@ -1,49 +1,53 @@
-/*
+/**
  * JavaScript for Special:Search
  */
-( function( $, mw ) { $( function() {
+( function ( mw, $ ) {
+	$( document ).ready( function () {
+		var $checkboxes, $headerLinks;
 
-// Emulate HTML5 autofocus behavior in non HTML5 compliant browsers
-if ( !( 'autofocus' in document.createElement( 'input' ) ) ) {
-	$( 'input[autofocus]:first' ).focus();
-}
+		// Emulate HTML5 autofocus behavior in non HTML5 compliant browsers
+		if ( !( 'autofocus' in document.createElement( 'input' ) ) ) {
+			$( 'input[autofocus]' ).eq( 0 ).focus();
+		}
 
-// Create check all/none button
-var $checkboxes = $('#powersearch input[id^=mw-search-ns]');
-$('#mw-search-togglebox').append(
-	$('<label />')
-		.text(mw.msg('powersearch-togglelabel'))
-).append(
-	$('<input type="button" />')
-		.attr('id', 'mw-search-toggleall')
-		.attr('value', mw.msg('powersearch-toggleall'))
-		.click( function() {
-			$checkboxes.prop('checked', true);
-		} )
-).append(
-	$('<input type="button" />')
-		.attr('id', 'mw-search-togglenone')
-		.attr('value', mw.msg('powersearch-togglenone'))
-		.click( function() {
-			$checkboxes.prop('checked', false);
-		} )
-);
+		// Create check all/none button
+		$checkboxes = $('#powersearch input[id^=mw-search-ns]');
+		$('#mw-search-togglebox').append(
+			$('<label>')
+				.text(mw.msg('powersearch-togglelabel'))
+		).append(
+			$('<input type="button" />')
+				.attr( 'id', 'mw-search-toggleall' )
+				.prop( 'value', mw.msg('powersearch-toggleall' ) )
+				.click( function () {
+					$checkboxes.prop('checked', true);
+				} )
+		).append(
+			$('<input type="button" />')
+				.attr( 'id', 'mw-search-togglenone' )
+				.prop( 'value', mw.msg('powersearch-togglenone' ) )
+				.click( function() {
+					$checkboxes.prop( 'checked', false );
+				} )
+		);
 
-// Change the header search links to what user entered
-var headerLinks = $('.search-types a');
-$('#searchText, #powerSearchText').change(function() {
-	var searchterm = $(this).val();
-	headerLinks.each( function() {
-		var parts = $(this).attr('href').split( 'search=' );
-		var lastpart = '';
-		var prefix = 'search=';
-		if( parts.length > 1 && parts[1].indexOf('&') >= 0 ) {
-			lastpart = parts[1].substring( parts[1].indexOf('&') );
-		} else {
-			prefix = '&search=';
-		}
-		this.href = parts[0] + prefix + encodeURIComponent( searchterm ) + lastpart;
-	});
-}).trigger('change');
+		// Change the header search links to what user entered
+		$headerLinks = $( '.search-types a' );
+		$( '#searchText, #powerSearchText' ).change( function () {
+			var searchterm = $(this).val();
+			$headerLinks.each( function () {
+				var parts = $(this).attr('href').split( 'search=' ),
+					lastpart = '',
+					prefix = 'search=';
+				if ( parts.length > 1 && parts[1].indexOf('&') >= 0 ) {
+					lastpart = parts[1].substring( parts[1].indexOf('&') );
+				} else {
+					prefix = '&search=';
+				}
+				this.href = parts[0] + prefix + encodeURIComponent( searchterm ) + lastpart;
+			});
+		}).trigger( 'change' );
+
+	} );
 
-} ); } )( jQuery, mediaWiki );
+}( mediaWiki, jQuery ) );
diff --git a/resources/mediawiki.special/mediawiki.special.undelete.js b/resources/mediawiki.special/mediawiki.special.undelete.js
index 33b80275..d20aab51 100644
--- a/resources/mediawiki.special/mediawiki.special.undelete.js
+++ b/resources/mediawiki.special/mediawiki.special.undelete.js
@@ -1,10 +1,11 @@
-/*
- * JavaScript for Specical:Undelete
+/**
+ * JavaScript for Special:Undelete
  */
-jQuery( document ).ready( function( $ ) {
-	$( '#mw-undelete-invert' ).click( function( e ) {
+jQuery( document ).ready( function ( $ ) {
+	$( '#mw-undelete-invert' ).click( function ( e ) {
+		$( '#undelete input[type="checkbox"]' ).prop( 'checked', function ( i, val ) {
+			return !val;
+		} );
 		e.preventDefault();
-		$( '#undelete' ).find( 'input:checkbox' )
-			.prop( 'checked', function( i, val ) { return !val; } );
 	} );
 } );
diff --git a/resources/mediawiki.special/mediawiki.special.upload.js b/resources/mediawiki.special/mediawiki.special.upload.js
index 63e89713..75532f18 100644
--- a/resources/mediawiki.special/mediawiki.special.upload.js
+++ b/resources/mediawiki.special/mediawiki.special.upload.js
@@ -6,12 +6,12 @@
 	/**
 	 * Add a preview to the upload form
 	 */
-	$( function ( $ ) {
+	$( document ).ready( function () {
 		/**
 		 * Is the FileAPI available with sufficient functionality?
 		 */
 		function hasFileAPI() {
-			return typeof window.FileReader !== 'undefined';
+			return window.FileReader !== undefined;
 		}
 
 		/**
@@ -25,7 +25,7 @@
 		 * @return boolean
 		 */
 		function fileIsPreviewable( file ) {
-			var	known = ['image/png', 'image/gif', 'image/jpeg', 'image/svg+xml'],
+			var known = ['image/png', 'image/gif', 'image/jpeg', 'image/svg+xml'],
 				tooHuge = 10 * 1024 * 1024;
 			return ( $.inArray( file.type, known ) !== -1 ) && file.size > 0 && file.size < tooHuge;
 		}
@@ -43,23 +43,26 @@
 		 * @param {File} file
 		 */
 		function showPreview( file ) {
-			var	previewSize = 180,
+			var $canvas,
+				ctx,
+				meta,
+				previewSize = 180,
 				thumb = $( '<div id="mw-upload-thumbnail" class="thumb tright">' +
 							'<div class="thumbinner">' +
 								'<div class="mw-small-spinner" style="width: 180px; height: 180px"></div>' +
 								'<div class="thumbcaption"><div class="filename"></div><div class="fileinfo"></div></div>' +
 							'</div>' +
 						'</div>' );
+
 			thumb.find( '.filename' ).text( file.name ).end()
 				.find( '.fileinfo' ).text( prettySize( file.size ) ).end();
 
-			var	$canvas = $('<canvas width="' + previewSize + '" height="' + previewSize + '" ></canvas>'),
-				ctx = $canvas[0].getContext( '2d' );
+			$canvas = $('<canvas width="' + previewSize + '" height="' + previewSize + '" ></canvas>');
+			ctx = $canvas[0].getContext( '2d' );
 			$( '#mw-htmlform-source' ).parent().prepend( thumb );
 
-			var meta;
-			fetchPreview( file, function( dataURL ) {
-				var	img = new Image(),
+			fetchPreview( file, function ( dataURL ) {
+				var img = new Image(),
 					rotation = 0;
 
 				if ( meta && meta.tiff && meta.tiff.Orientation ) {
@@ -79,7 +82,8 @@
 				}
 
 				img.onload = function () {
-					var width, height, x, y, dx, dy, logicalWidth, logicalHeight;
+					var info, width, height, x, y, dx, dy, logicalWidth, logicalHeight;
+
 					// Fit the image within the previewSizexpreviewSize box
 					if ( img.width > img.height ) {
 						width = previewSize;
@@ -129,12 +133,14 @@
 					thumb.find('.mw-small-spinner').replaceWith($canvas);
 
 					// Image size
-					var info = mw.msg( 'widthheight', logicalWidth, logicalHeight ) +
+					info = mw.msg( 'widthheight', logicalWidth, logicalHeight ) +
 						', ' + prettySize( file.size );
+
 					$( '#mw-upload-thumbnail .fileinfo' ).text( info );
 				};
 				img.src = dataURL;
 			}, mw.config.get( 'wgFileCanRotate' ) ? function ( data ) {
+				/*jshint camelcase: false, nomen: false */
 				try {
 					meta = mw.libs.jpegmeta( data, file.fileName );
 					meta._binary_data = null;
@@ -171,9 +177,10 @@
 				// However, our JPEG metadata library wants a string.
 				// So, this is going to be an ugly conversion.
 				reader.onload = function() {
-					var buffer = new Uint8Array( reader.result ),
+					var i,
+						buffer = new Uint8Array( reader.result ),
 						string = '';
-					for ( var i = 0; i < buffer.byteLength; i++ ) {
+					for ( i = 0; i < buffer.byteLength; i++ ) {
 						string += String.fromCharCode( buffer[i] );
 					}
 					callbackBinary( string );
@@ -196,7 +203,7 @@
 			} else {
 				// This ends up decoding the file to base-64 and back again, which
 				// feels horribly inefficient.
-				reader.onload = function() {
+				reader.onload = function () {
 					callback( reader.result );
 				};
 				reader.readAsDataURL( file );
@@ -230,22 +237,29 @@
 		 * Check if the file does not exceed the maximum size
 		 */
 		function checkMaxUploadSize( file ) {
+			var maxSize, $error;
+
 			function getMaxUploadSize( type ) {
 				var sizes = mw.config.get( 'wgMaxUploadSize' );
+
 				if ( sizes[type] !== undefined ) {
 					return sizes[type];
 				}
 				return sizes['*'];
 			}
+
 			$( '.mw-upload-source-error' ).remove();
 
-			var maxSize = getMaxUploadSize( 'file' );
+			maxSize = getMaxUploadSize( 'file' );
 			if ( file.size > maxSize ) {
-				var error = $( '<p class="error mw-upload-source-error" id="wpSourceTypeFile-error">' +
-						mw.message( 'largefileserver', file.size, maxSize ).escaped() + '</p>' );
-				$( '#wpUploadFile' ).after( error );
+				$error = $( '<p class="error mw-upload-source-error" id="wpSourceTypeFile-error">' +
+					mw.message( 'largefileserver', file.size, maxSize ).escaped() + '</p>' );
+
+				$( '#wpUploadFile' ).after( $error );
+
 				return false;
 			}
+
 			return true;
 		}
 
@@ -276,23 +290,30 @@
 	/**
 	 * Disable all upload source fields except the selected one
 	 */
-	$( function ( $ ) {
-		var i, row,
-			rows = $( '.mw-htmlform-field-UploadSourceField' );
-		for ( i = rows.length; i; i-- ) {
-			row = rows[i - 1];
-			$( 'input[name="wpSourceType"]', row ).change( ( function () {
-				var currentRow = row; // Store current row in our own scope
-				return function () {
-					$( '.mw-upload-source-error' ).remove();
-					if ( this.checked ) {
-						// Disable all inputs
-						$( 'input[name!="wpSourceType"]', rows ).prop( 'disabled', true );
-						// Re-enable the current one
-						$( 'input', currentRow ).prop( 'disabled', false );
-					}
-				};
-			}() ) );
+	$( document ).ready( function () {
+		var i, $row,
+			$rows = $( '.mw-htmlform-field-UploadSourceField' );
+
+		function createHandler( $currentRow ) {
+			/**
+			 * @param {jQuery.Event}
+			 */
+			return function () {
+				$( '.mw-upload-source-error' ).remove();
+				if ( this.checked ) {
+					// Disable all inputs
+					$rows.find( 'input[name!="wpSourceType"]' ).prop( 'disabled', true );
+					// Re-enable the current one
+					$currentRow.find( 'input' ).prop( 'disabled', false );
+				}
+			};
+		}
+
+		for ( i = $rows.length; i; i-- ) {
+			$row = $rows.eq(i - 1);
+			$row
+				.find( 'input[name="wpSourceType"]' )
+				.change( createHandler( $row ) );
 		}
 	} );
 
diff --git a/resources/mediawiki.special/mediawiki.special.userLogin.signup.js b/resources/mediawiki.special/mediawiki.special.userLogin.signup.js
new file mode 100644
index 00000000..bba42605
--- /dev/null
+++ b/resources/mediawiki.special/mediawiki.special.userLogin.signup.js
@@ -0,0 +1,10 @@
+/**
+ * JavaScript for Special:UserLogin/signup
+ */
+jQuery( document ).ready( function ( $ ) {
+	$( '#wpCreateaccountMail' )
+		.on( 'change', function() {
+			$( '.mw-row-password' ).toggle( !$( this ).attr( 'checked' ) );
+		} )
+		.trigger( 'change' );
+} );