upgrade

main/inc/lib/javascript/ckeditor/plugins/mathjax/dialogs/mathjax.js

@@ -0,0 +1,78 @@
+/**
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or http://ckeditor.com/license
+ */
+
+'use strict';
+
+CKEDITOR.dialog.add( 'mathjax', function( editor ) {
+
+	var preview,
+		lang = editor.lang.mathjax;
+
+	return {
+		title: lang.title,
+		minWidth: 350,
+		minHeight: 100,
+		contents: [
+			{
+				id: 'info',
+				elements: [
+					{
+						id: 'equation',
+						type: 'textarea',
+						label: lang.dialogInput,
+
+						onLoad: function() {
+							var that = this;
+
+							if ( !( CKEDITOR.env.ie && CKEDITOR.env.version == 8 ) ) {
+								this.getInputElement().on( 'keyup', function() {
+									// Add \( and \) for preview.
+									preview.setValue( '\\(' + that.getInputElement().getValue() + '\\)' );
+								} );
+							}
+						},
+
+						setup: function( widget ) {
+							// Remove \( and \).
+							this.setValue( CKEDITOR.plugins.mathjax.trim( widget.data.math ) );
+						},
+
+						commit: function( widget ) {
+							// Add \( and \) to make TeX be parsed by MathJax by default.
+							widget.setData( 'math', '\\(' + this.getValue() + '\\)' );
+						}
+					},
+					{
+						id: 'documentation',
+						type: 'html',
+						html:
+							'<div style="width:100%;text-align:right;margin:-8px 0 10px">' +
+								'<a class="cke_mathjax_doc" href="' + lang.docUrl + '" target="_black" style="cursor:pointer;color:#00B2CE;text-decoration:underline">' +
+									lang.docLabel +
+								'</a>' +
+							'</div>'
+					},
+					( !( CKEDITOR.env.ie && CKEDITOR.env.version == 8 ) ) && {
+						id: 'preview',
+						type: 'html',
+						html:
+							'<div style="width:100%;text-align:center;">' +
+								'<iframe style="border:0;width:0;height:0;font-size:20px" scrolling="no" frameborder="0" allowTransparency="true" src="' + CKEDITOR.plugins.mathjax.fixSrc + '"></iframe>' +
+							'</div>',
+
+						onLoad: function() {
+							var iFrame = CKEDITOR.document.getById( this.domId ).getChild( 0 );
+							preview = new CKEDITOR.plugins.mathjax.frameWrapper( iFrame, editor );
+						},
+
+						setup: function( widget ) {
+							preview.setValue( widget.data.math );
+						}
+					}
+				]
+			}
+		]
+	};
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/af.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'af', {
+	title: 'Wiskunde in TeX',
+	button: 'Wiskunde',
+	dialogInput: 'Skryf you Tex hier',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX dokument',
+	loading: 'laai...',
+	pathName: 'wiskunde'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/ar.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'ar', {
+	title: 'الرياصيات في Tex',
+	button: 'رياضيات',
+	dialogInput: 'أكتب Tex خاصتك هنا',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'وثائق Tex',
+	loading: 'جاري التحميل...',
+	pathName: 'رياضيات'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/bg.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'bg', {
+	title: 'Формули в TeX формат',
+	button: 'Формули',
+	dialogInput: 'Въведете вашите данни с TeX форматиране тук',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX документация',
+	loading: 'зареждане...',
+	pathName: 'формули'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/ca.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'ca', {
+	title: 'Matemàtiques a TeX',
+	button: 'Matemàtiques',
+	dialogInput: 'Escriu el TeX aquí',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'Documentació TeX',
+	loading: 'carregant...',
+	pathName: 'matemàtiques'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/cs.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'cs', {
+	title: 'Matematika v TeXu',
+	button: 'Matematika',
+	dialogInput: 'Zde napište TeXový kód',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'Dokumentace k TeXu',
+	loading: 'Nahrává se...',
+	pathName: 'Matematika'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/cy.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'cy', {
+	title: 'Mathemateg mewn TeX',
+	button: 'Math',
+	dialogInput: 'Ysgrifennwch eich TeX yma',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'Dogfennaeth TeX',
+	loading: 'llwytho...',
+	pathName: 'math'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/da.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'da', {
+	title: 'Matematik i TeX',
+	button: 'Matematik',
+	dialogInput: 'Skriv din TeX her',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX dokumentation',
+	loading: 'henter...',
+	pathName: 'matematik'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/de.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'de', {
+	title: 'Mathematik in Tex',
+	button: 'Rechnung',
+	dialogInput: 'Schreiben Sie hier in Tex',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX-Dokumentation',
+	loading: 'Ladevorgang...',
+	pathName: 'rechnen'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/el.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'el', {
+	title: 'Μαθηματικά με τη γλώσσα TeX',
+	button: 'Μαθηματικά',
+	dialogInput: 'Γράψτε κώδικα TeX εδώ',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'Τεκμηρίωση TeX',
+	loading: 'γίνεται φόρτωση…',
+	pathName: 'μαθηματικά'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/en-gb.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'en-gb', {
+	title: 'Mathematics in TeX',
+	button: 'Math',
+	dialogInput: 'Write you TeX here',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX documentation',
+	loading: 'loading...',
+	pathName: 'math'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/en.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'en', {
+	title: 'Mathematics in TeX',
+	button: 'Math',
+	dialogInput: 'Write your TeX here',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX documentation',
+	loading: 'loading...',
+	pathName: 'math'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/eo.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'eo', {
+	title: 'Matematiko en TeX',
+	button: 'Matematiko',
+	dialogInput: 'Skribu vian TeX tien',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX dokumentado',
+	loading: 'estas ŝarganta',
+	pathName: 'matematiko'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/es.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'es', {
+	title: 'Matemáticas en TeX',
+	button: 'Matemáticas',
+	dialogInput: 'Escribe tu TeX aquí',
+	docUrl: 'http://es.wikipedia.org/wiki/TeX',
+	docLabel: 'Documentación de TeX',
+	loading: 'cargando...',
+	pathName: 'matemáticas'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/eu.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'eu', {
+	title: 'Matematikak TeX-en',
+	button: 'Matematika',
+	dialogInput: 'Idatzi zure TeX hemen',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX dokumentazioa',
+	loading: 'kargatzen...',
+	pathName: 'matematika'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/fa.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'fa', {
+	title: 'ریاضیات در تک',
+	button: 'ریاضی',
+	dialogInput: 'فرمول خود را اینجا بنویسید',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'مستندسازی فرمول نویسی',
+	loading: 'بارگیری',
+	pathName: 'ریاضی'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/fi.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'fi', {
+	title: 'Matematiikkaa TeX:llä',
+	button: 'Matematiikka',
+	dialogInput: 'Kirjoita TeX:iä tähän',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX dokumentaatio',
+	loading: 'lataa...',
+	pathName: 'matematiikka'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/fr.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'fr', {
+	title: 'Formules mathématiques en TeX',
+	button: 'Maths',
+	dialogInput: 'Saisir la formule TeX ici',
+	docUrl: 'http://fr.wikibooks.org/wiki/LaTeX/Math%C3%A9matiques',
+	docLabel: 'Documentation de TeX',
+	loading: 'chargement...',
+	pathName: 'maths'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/gl.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'gl', {
+	title: 'Matemáticas en TeX',
+	button: 'Matemáticas',
+	dialogInput: 'Escriba o seu TeX aquí',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'Documentación de TeX',
+	loading: 'cargando...',
+	pathName: 'matemáticas'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/he.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'he', {
+	title: 'מתמטיקה בTeX',
+	button: 'מתמטיקה',
+	dialogInput: 'כתוב את הTeX שלך כאן',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'תיעוד TeX',
+	loading: 'טוען...',
+	pathName: 'מתמטיקה'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/hr.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'hr', {
+	title: 'Matematika u TeXu',
+	button: 'Matematika',
+	dialogInput: 'Napiši svoj TeX ovdje',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX dokumentacija',
+	loading: 'učitavanje...',
+	pathName: 'matematika'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/hu.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'hu', {
+	title: 'Matematika a TeX-ben',
+	button: 'Matek',
+	dialogInput: 'Írd a TeX-ed ide',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX dokumentáció',
+	loading: 'töltés...',
+	pathName: 'matek'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/id.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'id', {
+	title: 'Mathematics in TeX', // MISSING
+	button: 'Matematika',
+	dialogInput: 'Tulis Tex anda disini',
+	docUrl: 'http:// MISSING //en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX documentation', // MISSING
+	loading: 'memuat...',
+	pathName: 'math' // MISSING
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/it.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'it', {
+	title: 'Formule in TeX',
+	button: 'Formule',
+	dialogInput: 'Scrivere qui il proprio TeX',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'Documentazione TeX',
+	loading: 'caricamento…',
+	pathName: 'formula'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/ja.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'ja', {
+	title: 'TeX形式の数式',
+	button: '数式',
+	dialogInput: 'TeX形式の数式を入力してください',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeXの解説',
+	loading: '読み込み中…',
+	pathName: 'math'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/km.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'km', {
+	title: 'គណិត​វិទ្យា​ក្នុង TeX',
+	button: 'គណិត',
+	dialogInput: 'សរសេរ TeX របស់​អ្នក​នៅ​ទីនេះ',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'ឯកសារ​អត្ថបទ​ពី ​TeX',
+	loading: 'កំពុង​ផ្ទុក..',
+	pathName: 'គណិត'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/ko.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'ko', {
+	title: 'TeX 문법 수식',
+	button: '수식',
+	dialogInput: '여기 TeX 를 입력하세요',
+	docUrl: 'http://ko.wikipedia.org/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:TeX_%EB%AC%B8%EB%B2%95',
+	docLabel: 'TeX 문서',
+	loading: '불러오는 중...',
+	pathName: '수식'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/ku.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'ku', {
+	title: 'بیرکاری لە TeX',
+	button: 'بیرکاری',
+	dialogInput: 'TeXەکەت لێرە بنووسە',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'بەڵگەنامەکردنی TeX',
+	loading: 'بارکردن...',
+	pathName: 'بیرکاری'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/lt.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'lt', {
+	title: 'Matematika per TeX',
+	button: 'Matematika',
+	dialogInput: 'Parašyk savo TeX čia',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX žinynas',
+	loading: 'kraunasi...',
+	pathName: 'matematika'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/nb.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'nb', {
+	title: 'Matematikk i TeX',
+	button: 'Matematikk',
+	dialogInput: 'Skriv TeX-koden her',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX-dokumentasjon',
+	loading: 'laster...',
+	pathName: 'matematikk'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/nl.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'nl', {
+	title: 'Wiskunde in TeX',
+	button: 'Wiskunde',
+	dialogInput: 'Typ hier uw TeX',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX documentatie',
+	loading: 'laden...',
+	pathName: 'wiskunde'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/no.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'no', {
+	title: 'Matematikk i TeX',
+	button: 'Matte',
+	dialogInput: 'Skriv TeX-koden her',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX-dokumentasjon',
+	loading: 'laster...',
+	pathName: 'matte'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/pl.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'pl', {
+	title: 'Wzory matematyczne w TeX',
+	button: 'Wzory matematyczne',
+	dialogInput: 'Wpisz wyrażenie w TeX',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'Dokumentacja TeX',
+	loading: 'ładowanie...',
+	pathName: 'matematyka'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/pt-br.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'pt-br', {
+	title: 'Matemática em TeX',
+	button: 'Matemática',
+	dialogInput: 'Escreva seu TeX aqui',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'Documentação TeX',
+	loading: 'carregando...',
+	pathName: 'Matemática'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/pt.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'pt', {
+	title: 'Matemática em TeX',
+	button: 'Matemática',
+	dialogInput: 'Escreva aqui o seu TeX',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'Documentação TeX',
+	loading: 'a carregar ...',
+	pathName: 'matemática'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/ro.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'ro', {
+	title: 'Matematici in TeX',
+	button: 'Matematici',
+	dialogInput: 'Scrie TeX-ul aici',
+	docUrl: 'http://ro.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'Documentatie TeX',
+	loading: 'încarcă...',
+	pathName: 'matematici'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/ru.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'ru', {
+	title: 'Математика в TeX-системе',
+	button: 'Математика',
+	dialogInput: 'Введите здесь TeX',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX документация',
+	loading: 'загрузка...',
+	pathName: 'мат.'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/sk.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'sk', {
+	title: 'Matematika v TeX-u',
+	button: 'Matematika',
+	dialogInput: 'Napíšte svoj TeX sem',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'Dokumentácia TeX',
+	loading: 'načítavanie...',
+	pathName: 'matematika'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/sl.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'sl', {
+	title: 'Matematika v TeX',
+	button: 'Matematika',
+	dialogInput: 'Napišite svoj TeX tukaj',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX dokumentacija',
+	loading: 'nalaganje...',
+	pathName: 'matematika'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/sq.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'sq', {
+	title: 'Matematikë në TeX',
+	button: 'Matematikë',
+	dialogInput: 'Shkruani TeX-in tuaj këtu',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'Tex dokumentimi',
+	loading: 'duke u hapur...',
+	pathName: 'matematikë'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/sv.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'sv', {
+	title: 'Mattematik i TeX',
+	button: 'Matte',
+	dialogInput: 'Skriv din TeX här',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX dokumentation',
+	loading: 'laddar...',
+	pathName: 'matte'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/tr.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'tr', {
+	title: 'TeX ile Matematik',
+	button: 'Matematik',
+	dialogInput: 'TeX kodunuzu buraya yazın',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX yardım dökümanı',
+	loading: 'yükleniyor...',
+	pathName: 'matematik'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/tt.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'tt', {
+	title: 'TeX\'та математика',
+	button: 'Математика',
+	dialogInput: 'Биредә TeX форматында аңлатмагызны языгыз',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX турыдна документлар',
+	loading: 'йөкләнә...',
+	pathName: 'математика'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/ug.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'ug', {
+	title: 'TeX شەكلىدىكى ماتېماتىكا فورمۇلا تەھرىرلىگۈچ',
+	button: 'ماتېماتىكا فورمۇلا',
+	dialogInput: 'بۇ جايغا TeX ڭىزنى يېزىڭ',
+	docUrl: 'http:// MISSING //en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX documentation', // MISSING
+	loading: 'loading...', // MISSING
+	pathName: 'math' // MISSING
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/uk.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'uk', {
+	title: 'Математика у TeX',
+	button: 'Математика',
+	dialogInput: 'Наберіть тут на TeX\'у',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'Документація про TeX',
+	loading: 'завантажується…',
+	pathName: 'математика'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/vi.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'vi', {
+	title: 'Toán học bằng TeX',
+	button: 'Toán',
+	dialogInput: 'Nhập mã TeX ở đây',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'Tài liệu TeX',
+	loading: 'đang nạp...',
+	pathName: 'toán'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/zh-cn.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'zh-cn', {
+	title: 'TeX 语法的数学公式编辑器',
+	button: '数学公式',
+	dialogInput: '在此编写您的 TeX 指令',
+	docUrl: 'http://zh.wikipedia.org/wiki/TeX',
+	docLabel: 'TeX 语法（可以参考维基百科自身关于数学公式显示方式的帮助）',
+	loading: '正在加载...',
+	pathName: '数字公式'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/lang/zh.js

@@ -0,0 +1,13 @@
+/*
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.md or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang( 'mathjax', 'zh', {
+	title: '以 TeX 表示數學',
+	button: '數學',
+	dialogInput: '請輸入 TeX',
+	docUrl: 'http://en.wikibooks.org/wiki/LaTeX/Mathematics',
+	docLabel: 'TeX 說明文件',
+	loading: '載入中…',
+	pathName: '數學'
+} );

main/inc/lib/javascript/ckeditor/plugins/mathjax/plugin.js

@@ -0,0 +1,472 @@
+/**
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or http://ckeditor.com/license
+ */
+
+/**
+ * @fileOverview The [Mathematical Formulas](http://ckeditor.com/addon/mathjax) plugin that allows you to create and modify mathematical equations written in TeX directly in CKEditor..
+ */
+
+'use strict';
+
+( function() {
+	CKEDITOR.plugins.add( 'mathjax', {
+		lang: 'af,ar,az,bg,ca,cs,cy,da,de,de-ch,el,en,en-gb,eo,es,eu,fa,fi,fr,gl,he,hr,hu,id,it,ja,km,ko,ku,lt,nb,nl,no,oc,pl,pt,pt-br,ro,ru,sk,sl,sq,sv,tr,tt,ug,uk,vi,zh,zh-cn', // %REMOVE_LINE_CORE%
+		requires: 'widget,dialog',
+		icons: 'mathjax',
+		hidpi: true, // %REMOVE_LINE_CORE%
+
+		init: function( editor ) {
+			var cls = editor.config.mathJaxClass || 'math-tex';
+
+			if ( !editor.config.mathJaxLib ) {
+				CKEDITOR.error( 'mathjax-no-config' );
+			}
+
+			editor.widgets.add( 'mathjax', {
+				inline: true,
+				dialog: 'mathjax',
+				button: editor.lang.mathjax.button,
+				mask: true,
+				allowedContent: 'span(!' + cls + ')',
+				// Allow style classes only on spans having mathjax class.
+				styleToAllowedContentRules: function( style ) {
+					var classes = style.getClassesArray();
+					if ( !classes )
+						return null;
+					classes.push( '!' + cls );
+
+					return 'span(' + classes.join( ',' ) + ')';
+				},
+				pathName: editor.lang.mathjax.pathName,
+
+				template: '<span class="' + cls + '" style="display:inline-block" data-cke-survive=1></span>',
+
+				parts: {
+					span: 'span'
+				},
+
+				defaults: {
+					math: '\\(x = {-b \\pm \\sqrt{b^2-4ac} \\over 2a}\\)'
+				},
+
+				init: function() {
+					var iframe = this.parts.span.getChild( 0 );
+
+					// Check if span contains iframe and create it otherwise.
+					if ( !iframe || iframe.type != CKEDITOR.NODE_ELEMENT || !iframe.is( 'iframe' ) ) {
+						iframe = new CKEDITOR.dom.element( 'iframe' );
+						iframe.setAttributes( {
+							style: 'border:0;width:0;height:0',
+							scrolling: 'no',
+							frameborder: 0,
+							allowTransparency: true,
+							src: CKEDITOR.plugins.mathjax.fixSrc
+						} );
+						this.parts.span.append( iframe );
+					}
+
+					// Wait for ready because on some browsers iFrame will not
+					// have document element until it is put into document.
+					// This is a problem when you crate widget using dialog.
+					this.once( 'ready', function() {
+						// Src attribute must be recreated to fix custom domain error after undo
+						// (see iFrame.removeAttribute( 'src' ) in frameWrapper.load).
+						if ( CKEDITOR.env.ie )
+							iframe.setAttribute( 'src', CKEDITOR.plugins.mathjax.fixSrc );
+
+						this.frameWrapper = new CKEDITOR.plugins.mathjax.frameWrapper( iframe, editor );
+						this.frameWrapper.setValue( this.data.math );
+					} );
+				},
+
+				data: function() {
+					if ( this.frameWrapper )
+						this.frameWrapper.setValue( this.data.math );
+				},
+
+				upcast: function( el, data ) {
+					if ( !( el.name == 'span' && el.hasClass( cls ) ) )
+						return;
+
+					if ( el.children.length > 1 || el.children[ 0 ].type != CKEDITOR.NODE_TEXT )
+						return;
+
+					data.math = CKEDITOR.tools.htmlDecode( el.children[ 0 ].value );
+
+					// Add style display:inline-block to have proper height of widget wrapper and mask.
+					var attrs = el.attributes;
+
+					if ( attrs.style )
+						attrs.style += ';display:inline-block';
+					else
+						attrs.style = 'display:inline-block';
+
+					// Add attribute to prevent deleting empty span in data processing.
+					attrs[ 'data-cke-survive' ] = 1;
+
+					el.children[ 0 ].remove();
+
+					return el;
+				},
+
+				downcast: function( el ) {
+					el.children[ 0 ].replaceWith( new CKEDITOR.htmlParser.text( CKEDITOR.tools.htmlEncode( this.data.math ) ) );
+
+					// Remove style display:inline-block.
+					var attrs = el.attributes;
+					attrs.style = attrs.style.replace( /display:\s?inline-block;?\s?/, '' );
+					if ( attrs.style === '' )
+						delete attrs.style;
+
+					return el;
+				}
+			} );
+
+			// Add dialog.
+			CKEDITOR.dialog.add( 'mathjax', this.path + 'dialogs/mathjax.js' );
+
+			// Add MathJax script to page preview.
+			editor.on( 'contentPreview', function( evt ) {
+				evt.data.dataValue = evt.data.dataValue.replace(
+					/<\/head>/,
+					'<script src="' + CKEDITOR.getUrl( editor.config.mathJaxLib ) + '"><\/script><\/head>'
+				);
+			} );
+
+			editor.on( 'paste', function( evt ) {
+				// Firefox does remove iFrame elements from pasted content so this event do the same on other browsers.
+				// Also iFrame in paste content is reason of "Unspecified error" in IE9 (#10857).
+				var regex = new RegExp( '<span[^>]*?' + cls + '.*?<\/span>', 'ig' );
+				evt.data.dataValue = evt.data.dataValue.replace( regex, function( match ) {
+					return match.replace( /(<iframe.*?\/iframe>)/i, '' );
+				} );
+			} );
+		}
+	} );
+
+	/**
+	 * @private
+	 * @singleton
+	 * @class CKEDITOR.plugins.mathjax
+	 */
+	CKEDITOR.plugins.mathjax = {};
+
+	/**
+	 * A variable to fix problems with `iframe`. This variable is global
+	 * because it is used in both the widget and the dialog window.
+	 *
+	 * @private
+	 * @property {String} fixSrc
+	 */
+	CKEDITOR.plugins.mathjax.fixSrc =
+		// In Firefox src must exist and be different than about:blank to emit load event.
+		CKEDITOR.env.gecko ? 'javascript:true' : // jshint ignore:line
+		// Support for custom document.domain in IE.
+		CKEDITOR.env.ie ? 'javascript:' + // jshint ignore:line
+						'void((function(){' + encodeURIComponent(
+							'document.open();' +
+							'(' + CKEDITOR.tools.fixDomain + ')();' +
+							'document.close();'
+						) + '})())' :
+		// In Chrome src must be undefined to emit load event.
+						'javascript:void(0)'; // jshint ignore:line
+
+	/**
+	 * Loading indicator image generated by http://preloaders.net.
+	 *
+	 * @private
+	 * @property {String} loadingIcon
+	 */
+	CKEDITOR.plugins.mathjax.loadingIcon = CKEDITOR.plugins.get( 'mathjax' ).path + 'images/loader.gif';
+
+	/**
+	 * Computes predefined styles and copies them to another element.
+	 *
+	 * @private
+	 * @param {CKEDITOR.dom.element} from Copy source.
+	 * @param {CKEDITOR.dom.element} to Copy target.
+	 */
+	CKEDITOR.plugins.mathjax.copyStyles = function( from, to ) {
+		var stylesToCopy = [ 'color', 'font-family', 'font-style', 'font-weight', 'font-variant', 'font-size' ];
+
+		for ( var i = 0; i < stylesToCopy.length; i++ ) {
+			var key = stylesToCopy[ i ],
+				val = from.getComputedStyle( key );
+			if ( val )
+				to.setStyle( key, val );
+		}
+	};
+
+	/**
+	 * Trims MathJax value from '\(1+1=2\)' to '1+1=2'.
+	 *
+	 * @private
+	 * @param {String} value String to trim.
+	 * @returns {String} Trimed string.
+	 */
+	CKEDITOR.plugins.mathjax.trim = function( value ) {
+		var begin = value.indexOf( '\\(' ) + 2,
+			end = value.lastIndexOf( '\\)' );
+
+		return value.substring( begin, end );
+	};
+
+	/**
+	 * FrameWrapper is responsible for communication between the MathJax library
+	 * and the `iframe` element that is used for rendering mathematical formulas
+	 * inside the editor.
+	 * It lets you create visual mathematics by using the
+	 * {@link CKEDITOR.plugins.mathjax.frameWrapper#setValue setValue} method.
+	 *
+	 * @private
+	 * @class CKEDITOR.plugins.mathjax.frameWrapper
+	 * @constructor Creates a class instance.
+	 * @param {CKEDITOR.dom.element} iFrame The `iframe` element to be wrapped.
+	 * @param {CKEDITOR.editor} editor The editor instance.
+	 */
+	if ( !( CKEDITOR.env.ie && CKEDITOR.env.version == 8 ) ) {
+		CKEDITOR.plugins.mathjax.frameWrapper = function( iFrame, editor ) {
+
+			var buffer, preview, value, newValue,
+				doc = iFrame.getFrameDocument(),
+
+				// Is MathJax loaded and ready to work.
+				isInit = false,
+
+				// Is MathJax parsing Tex.
+				isRunning = false,
+
+				// Function called when MathJax is loaded.
+				loadedHandler = CKEDITOR.tools.addFunction( function() {
+					preview = doc.getById( 'preview' );
+					buffer = doc.getById( 'buffer' );
+					isInit = true;
+
+					if ( newValue )
+						update();
+
+					// Private! For test usage only.
+					CKEDITOR.fire( 'mathJaxLoaded', iFrame );
+				} ),
+
+				// Function called when MathJax finish his job.
+				updateDoneHandler = CKEDITOR.tools.addFunction( function() {
+					CKEDITOR.plugins.mathjax.copyStyles( iFrame, preview );
+
+					preview.setHtml( buffer.getHtml() );
+
+					editor.fire( 'lockSnapshot' );
+
+					iFrame.setStyles( {
+						height: 0,
+						width: 0
+					} );
+
+					// Set iFrame dimensions.
+					var height = Math.max( doc.$.body.offsetHeight, doc.$.documentElement.offsetHeight ),
+						width = Math.max( preview.$.offsetWidth, doc.$.body.scrollWidth );
+
+					iFrame.setStyles( {
+						height: height + 'px',
+						width: width + 'px'
+					} );
+
+					editor.fire( 'unlockSnapshot' );
+
+					// Private! For test usage only.
+					CKEDITOR.fire( 'mathJaxUpdateDone', iFrame );
+
+					// If value changed in the meantime update it again.
+					if ( value != newValue )
+						update();
+					else
+						isRunning = false;
+				} );
+
+			iFrame.on( 'load', load );
+
+			load();
+
+			function load() {
+				doc = iFrame.getFrameDocument();
+
+				if ( doc.getById( 'preview' ) )
+					return;
+
+				// Because of IE9 bug in a src attribute can not be javascript
+				// when you undo (#10930). If you have iFrame with javascript in src
+				// and call insertBefore on such element then IE9 will see crash.
+				if ( CKEDITOR.env.ie )
+					iFrame.removeAttribute( 'src' );
+
+				doc.write( '<!DOCTYPE html>' +
+							'<html>' +
+							'<head>' +
+								'<meta charset="utf-8">' +
+								'<script type="text/x-mathjax-config">' +
+
+									// MathJax configuration, disable messages.
+									'MathJax.Hub.Config( {' +
+										'showMathMenu: false,' +
+										'messageStyle: "none"' +
+									'} );' +
+
+									// Get main CKEDITOR form parent.
+									'function getCKE() {' +
+										'if ( typeof window.parent.CKEDITOR == \'object\' ) {' +
+											'return window.parent.CKEDITOR;' +
+										'} else {' +
+											'return window.parent.parent.CKEDITOR;' +
+										'}' +
+									'}' +
+
+									// Run MathJax.Hub with its actual parser and call callback function after that.
+									// Because MathJax.Hub is asynchronous create MathJax.Hub.Queue to wait with callback.
+									'function update() {' +
+										'MathJax.Hub.Queue(' +
+											'[ \'Typeset\', MathJax.Hub, this.buffer ],' +
+											'function() {' +
+												'getCKE().tools.callFunction( ' + updateDoneHandler + ' );' +
+											'}' +
+										');' +
+									'}' +
+
+									// Run MathJax for the first time, when the script is loaded.
+									// Callback function will be called then it's done.
+									'MathJax.Hub.Queue( function() {' +
+										'getCKE().tools.callFunction(' + loadedHandler + ');' +
+									'} );' +
+								'</script>' +
+
+								// Load MathJax lib.
+								'<script src="' + ( editor.config.mathJaxLib ) + '"></script>' +
+							'</head>' +
+							'<body style="padding:0;margin:0;background:transparent;overflow:hidden">' +
+								'<span id="preview"></span>' +
+
+								// Render everything here and after that copy it to the preview.
+								'<span id="buffer" style="display:none"></span>' +
+							'</body>' +
+							'</html>' );
+			}
+
+			// Run MathJax parsing Tex.
+			function update() {
+				isRunning = true;
+
+				value = newValue;
+
+				editor.fire( 'lockSnapshot' );
+
+				buffer.setHtml( value );
+
+				// Set loading indicator.
+				preview.setHtml( '<img src=' + CKEDITOR.plugins.mathjax.loadingIcon + ' alt=' + editor.lang.mathjax.loading + '>' );
+
+				iFrame.setStyles( {
+					height: '16px',
+					width: '16px',
+					display: 'inline',
+					'vertical-align': 'middle'
+				} );
+
+				editor.fire( 'unlockSnapshot' );
+
+				// Run MathJax.
+				doc.getWindow().$.update( value );
+			}
+
+			return {
+				/**
+				 * Sets the TeX value to be displayed in the `iframe` element inside
+				 * the editor. This function will activate the MathJax
+				 * library which interprets TeX expressions and converts them into
+				 * their representation that is displayed in the editor.
+				 *
+				 * @param {String} value TeX string.
+				 */
+				setValue: function( value ) {
+					newValue = CKEDITOR.tools.htmlEncode( value );
+
+					if ( isInit && !isRunning )
+						update();
+				}
+			};
+		};
+	} else {
+		// In IE8 MathJax does not work stable so instead of using standard
+		// frame wrapper it is replaced by placeholder to show pure TeX in iframe.
+		CKEDITOR.plugins.mathjax.frameWrapper = function( iFrame, editor ) {
+			iFrame.getFrameDocument().write( '<!DOCTYPE html>' +
+				'<html>' +
+				'<head>' +
+					'<meta charset="utf-8">' +
+				'</head>' +
+				'<body style="padding:0;margin:0;background:transparent;overflow:hidden">' +
+					'<span style="white-space:nowrap;" id="tex"></span>' +
+				'</body>' +
+				'</html>' );
+
+			return {
+				setValue: function( value ) {
+					var doc = iFrame.getFrameDocument(),
+						tex = doc.getById( 'tex' );
+
+					tex.setHtml( CKEDITOR.plugins.mathjax.trim( CKEDITOR.tools.htmlEncode( value ) ) );
+
+					CKEDITOR.plugins.mathjax.copyStyles( iFrame, tex );
+
+					editor.fire( 'lockSnapshot' );
+
+					iFrame.setStyles( {
+						width: Math.min( 250, tex.$.offsetWidth ) + 'px',
+						height: doc.$.body.offsetHeight + 'px',
+						display: 'inline',
+						'vertical-align': 'middle'
+					} );
+
+					editor.fire( 'unlockSnapshot' );
+				}
+			};
+		};
+	}
+} )();
+
+/**
+ * Sets the path to the MathJax library. It can be both a local resource and a location different than the default CDN.
+ *
+ * Please note that this must be a full or absolute path.
+ *
+ * Read more in the [documentation](#!/guide/dev_mathjax)
+ * and see the [SDK sample](http://sdk.ckeditor.com/samples/mathjax.html).
+ *
+ *		config.mathJaxLib = '//cdn.mathjax.org/mathjax/2.6-latest/MathJax.js?config=TeX-AMS_HTML';
+ *
+ * **Note:** Since CKEditor 4.5 this option does not have a default value, so it must
+ * be set in order to enable the MathJax plugin.
+ *
+ * @since 4.3
+ * @cfg {String} mathJaxLib
+ * @member CKEDITOR.config
+ */
+
+/**
+ * Sets the default class for `span` elements that will be
+ * converted into [Mathematical Formulas](http://ckeditor.com/addon/mathjax)
+ * widgets.
+ *
+ * If you set it to the following:
+ *
+ *		config.mathJaxClass = 'my-math';
+ *
+ * The code below will be recognized as a Mathematical Formulas widget.
+ *
+ *		<span class="my-math">\( \sqrt{4} = 2 \)</span>
+ *
+ * Read more in the [documentation](#!/guide/dev_mathjax)
+ * and see the [SDK sample](http://sdk.ckeditor.com/samples/mathjax.html).
+ *
+ * @cfg {String} [mathJaxClass='math-tex']
+ * @member CKEDITOR.config
+ */