config.js

/**
 * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see https://ckeditor.com/legal/ckeditor-oss-license
 */

CKEDITOR.editorConfig = function( config ) {
	// Define changes to default configuration here.
	// For complete reference see:
	// http://docs.ckeditor.com/#!/api/CKEDITOR.config

	config.disableNativeSpellChecker = false;
	config.fullPage = false;
	config.dialog_noConfirmCancel = true;
	//config.enableContextMenu = false;
	//config.tabSpaces = 4;
	//config.height = 350;
	// config.extraPlugins = 'autosave,iframe,mediaembed,embed,
	config.extraPlugins = 'liststyle,colordialog,autosave,autogrow,stylescombo,mmscf,mmscomment,mmsvlink,mmsreset,mmssignature,mmsdropdown';
    config.autoGrow_minHeight = 200;
    config.autoGrow_maxHeight = 600;
    config.autoGrow_bottomSpace = 50;
    config.autoGrow_onStartup = true;
    config.startupFocus = 'end';
    config.mathJaxLib = 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML';
	config.allowedContent = true;
	config.specialChars = ['€', '‘', '’', '“', '”', '–', '—', '¡', '¢', '£', '¤', '¥', '¦', '§', '¨', '©', 'ª', '«', '¬', '®', '¯', '°', '²', '³', '´', 'µ', '¶', '·', '¸', '¹', 'º', '»', '¼', '½', '¾', '¿', 'À', 'Á', 'Â', 'Ã', 'Ä', 'Å', 'Æ', 'Ç', 'È', 'É', 'Ê', 'Ë', 'Ì', 'Í', 'Î', 'Ï', 'Ð', 'Ñ', 'Ò', 'Ó', 'Ô', 'Õ', 'Ö', '×', 'Ø', 'Ù', 'Ú', 'Û', 'Ü', 'Ý', 'Þ', 'ß', 'à', 'á', 'â', 'ã', 'ä', 'å', 'æ', 'ç', 'è', 'é', 'ê', 'ë', 'ì', 'í', 'î', 'ï', 'ð', 'ñ', 'ò', 'ó', 'ô', 'õ', 'ö', '÷', 'ø', 'ù', 'ú', 'û', 'ü', 'ý', 'þ', 'ÿ', 'Œ', 'œ', 'Ŵ', '&#374', '&#373', 'ŷ', '‚', '‛', '„', '…', '™', '►', '•', '→', '⇒', '⇔', '♦', '≈','α','β','γ','δ','ε','ζ','η','θ','ι','κ','λ','μ','ν','ξ','ο','π','ρ','σ','τ','υ','φ','χ','ψ','ω','Α','Β','Γ','Δ','Ε','Ζ','Η','Θ','Ι','Κ','Λ','Μ','Ν','Ξ','Ο','Π','Ρ','Σ','Τ','Υ','Φ','Χ','Ψ','Ω'];
	//config.protectedSource.push( /<i[^>]*><\/i>/g );

	// Enhanced Image config
	config.image2_alignClasses = [ 'image-left', 'image-center', 'image-right' ];
	config.filebrowserUploadUrl = "/alfresco.php";
	config.uploadUrl = "/alfresco.php";

	// Remove some buttons provided by the standard plugins, which are
	// not needed in the Standard(s) toolbar.
	config.removeButtons = 'Subscript,Superscript,Blockquote';

	// Set the most common block elements.
	config.format_tags = 'p;h1;h2;h3;pre';

	// Simplify the dialog windows.
	config.removeDialogTabs = 'image:advanced;link:advanced';

	config.stylesSet = [
		{ name: 'Paragraph',		element: 'p' },
		{ name: 'Heading 1',		element: 'h1' },
		{ name: 'Heading 2',		element: 'h2' },
		{ name: 'Heading 3',		element: 'h3' },
		{ name: 'Heading 4',		element: 'h4' },
		{ name: 'Heading 5',		element: 'h5' },
		{ name: 'Heading 6',		element: 'h6' },
		{ name: 'Preformatted Text',element: 'pre' },
		{ name: 'Computer Code',	element: 'code' }
	];
};