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	<!DOCTYPE html>
	<!--
	Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
	For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
	-->
	<html lang="en">
	<head>
	<meta charset="utf-8">
	<title>HTML Compliant Output — CKEditor Sample</title>
	<script src="../../../ckeditor.js"></script>
	<script src="../../../samples/old/sample.js"></script>
	<link href="../../../samples/old/sample.css" rel="stylesheet">
	<meta name="ckeditor-sample-required-plugins" content="sourcearea">
	<meta name="ckeditor-sample-name" content="Output HTML">
	<meta name="ckeditor-sample-group" content="Advanced Samples">
	<meta name="ckeditor-sample-description" content="Configuring CKEditor to produce legacy HTML 4 code.">
	<meta name="description" content="Try the latest sample of CKEditor 4 and learn more about customizing your WYSIWYG editor with endless possibilities.">
	</head>
	<body>
	<h1 class="samples">
	<a href="../../../samples/old/index.html">CKEditor Samples</a> » Producing HTML Compliant Output
	</h1>
	<div class="warning deprecated">
	This sample is not maintained anymore. Check out the <a href="https://ckeditor.com/docs/ckeditor4/latest/examples/index.html">brand new samples in CKEditor Examples</a>.
	</div>
	<div class="description">
	<p>
	This sample shows how to configure CKEditor to output valid
	<a class="samples" href="http://www.w3.org/TR/html401/">HTML 4.01</a> code.
	Traditional HTML elements like <code><b></code>,
	<code><i></code>, and <code><font></code> are used in place of
	<code><strong></code>, <code><em></code>, and CSS styles.
	</p>
	<p>
	To add a CKEditor instance outputting legacy HTML 4.01 code, load the editor using a standard
	JavaScript call, and define CKEditor features to use the HTML compliant elements and attributes.
	</p>
	<p>
	A snippet of the configuration code can be seen below; check the source of this page for
	full definition:
	</p>
	<pre class="samples">
	CKEDITOR.replace( '<em>textarea_id</em>', {
	coreStyles_bold: { element: 'b' },
	coreStyles_italic: { element: 'i' },

	fontSize_style: {
	element: 'font',
	attributes: { 'size': '#(size)' }
	}

	...
	});</pre>
	</div>
	<form action="../../../samples/sample_posteddata.php" method="post">
	<p>
	<label for="editor1">
	Editor 1:
	</label>
	<textarea cols="80" id="editor1" name="editor1" rows="10"><p>This is some <b>sample text</b>. You are using <a href="https://ckeditor.com/">CKEditor</a>.</p></textarea>
	<script>

	CKEDITOR.replace( 'editor1', {
	/*
	* Ensure that htmlwriter plugin, which is required for this sample, is loaded.
	*/
	extraPlugins: 'htmlwriter',

	/*
	* Style sheet for the contents
	*/
	contentsCss: 'body {color:#000; background-color#:FFF;}',

	/*
	* Simple HTML5 doctype
	*/
	docType: '<!DOCTYPE HTML>',

	/*
	* Allowed content rules which beside limiting allowed HTML
	* will also take care of transforming styles to attributes
	* (currently only for img - see transformation rules defined below).
	*
	* Read more: https://ckeditor.com/docs/ckeditor4/latest/guide/dev_advanced_content_filter.html
	*/
	allowedContent:
	'h1 h2 h3 p pre[align]; ' +
	'blockquote code kbd samp var del ins cite q b i u strike ul ol li hr table tbody tr td th caption; ' +
	'img[!src,alt,align,width,height]; font[!face]; font[!family]; font[!color]; font[!size]; font{!background-color}; a[!href]; a[!name]',

	/*
	* Core styles.
	*/
	coreStyles_bold: { element: 'b' },
	coreStyles_italic: { element: 'i' },
	coreStyles_underline: { element: 'u' },
	coreStyles_strike: { element: 'strike' },

	/*
	* Font face.
	*/

	// Define the way font elements will be applied to the document.
	// The "font" element will be used.
	font_style: {
	element: 'font',
	attributes: { 'face': '#(family)' }
	},

	/*
	* Font sizes.
	*/
	fontSize_sizes: 'xx-small/1;x-small/2;small/3;medium/4;large/5;x-large/6;xx-large/7',
	fontSize_style: {
	element: 'font',
	attributes: { 'size': '#(size)' }
	},

	/*
	* Font colors.
	*/

	colorButton_foreStyle: {
	element: 'font',
	attributes: { 'color': '#(color)' }
	},

	colorButton_backStyle: {
	element: 'font',
	styles: { 'background-color': '#(color)' }
	},

	/*
	* Styles combo.
	*/
	stylesSet: [
	{ name: 'Computer Code', element: 'code' },
	{ name: 'Keyboard Phrase', element: 'kbd' },
	{ name: 'Sample Text', element: 'samp' },
	{ name: 'Variable', element: 'var' },
	{ name: 'Deleted Text', element: 'del' },
	{ name: 'Inserted Text', element: 'ins' },
	{ name: 'Cited Work', element: 'cite' },
	{ name: 'Inline Quotation', element: 'q' }
	],

	on: {
	pluginsLoaded: configureTransformations,
	loaded: configureHtmlWriter
	}
	});

	/*
	* Add missing content transformations.
	*/
	function configureTransformations( evt ) {
	var editor = evt.editor;

	editor.dataProcessor.htmlFilter.addRules( {
	attributes: {
	style: function( value, element ) {
	// Return #RGB for background and border colors
	return CKEDITOR.tools.convertRgbToHex( value );
	}
	}
	} );

	// Default automatic content transformations do not yet take care of
	// align attributes on blocks, so we need to add our own transformation rules.
	function alignToAttribute( element ) {
	if ( element.styles[ 'text-align' ] ) {
	element.attributes.align = element.styles[ 'text-align' ];
	delete element.styles[ 'text-align' ];
	}
	}
	editor.filter.addTransformations( [
	[ { element: 'p', right: alignToAttribute } ],
	[ { element: 'h1', right: alignToAttribute } ],
	[ { element: 'h2', right: alignToAttribute } ],
	[ { element: 'h3', right: alignToAttribute } ],
	[ { element: 'pre', right: alignToAttribute } ]
	] );
	}

	/*
	* Adjust the behavior of htmlWriter to make it output HTML like FCKeditor.
	*/
	function configureHtmlWriter( evt ) {
	var editor = evt.editor,
	dataProcessor = editor.dataProcessor;

	// Out self closing tags the HTML4 way, like <br>.
	dataProcessor.writer.selfClosingEnd = '>';

	// Make output formatting behave similar to FCKeditor.
	var dtd = CKEDITOR.dtd;
	for ( var e in CKEDITOR.tools.extend( {}, dtd.$nonBodyContent, dtd.$block, dtd.$listItem, dtd.$tableContent ) ) {
	dataProcessor.writer.setRules( e, {
	indent: true,
	breakBeforeOpen: true,
	breakAfterOpen: false,
	breakBeforeClose: !dtd[ e ][ '#' ],
	breakAfterClose: true
	});
	}
	}

	</script>
	</p>
	<p>
	<input type="submit" value="Submit">
	</p>
	</form>
	<div id="footer">
	<hr>
	<p>
	CKEditor - The text editor for the Internet - <a class="samples" href="https://ckeditor.com/">https://ckeditor.com</a>
	</p>
	<p id="copy">
	Copyright © 2003-2021, <a class="samples" href="https://cksource.com/">CKSource</a> - Frederico
	Knabben. All rights reserved.
	</p>
	</div>
	</body>
	</html>