Merge branch 't/11809'

Author: adelura

CHANGES.md

@@ -4,8 +4,8 @@ CKEditor 4 Changelog
 ## CKEditor 4.4.1
 
 Fixed Issues:
-
-* [#11223](http://dev.ckeditor.com/ticket/11223): Fixeed issue when [Protected Source](http://docs.ckeditor.com/#!/api/CKEDITOR.config-cfg-protectedSource) was not working in the title element.
+* [#11809](http://dev.ckeditor.com/ticket/11809): Set indentation to four spaces in [Code Snippet](http://ckeditor.com/addon/codesnippet) sample.
+* [#11223](http://dev.ckeditor.com/ticket/11223): Fixed: issue when [Protected Source](http://docs.ckeditor.com/#!/api/CKEDITOR.config-cfg-protectedSource) was not working in the title element.
 * [#11859](http://dev.ckeditor.com/ticket/11859): Fixed: Removed [Source Dialog](http://ckeditor.com/addon/sourcedialog) plugin from required in [Code Snippet](http://ckeditor.com/addon/codesnippet) sample.
 * [#11754](http://dev.ckeditor.com/ticket/11754): Fixed: Infinite loop in Google Chrome when contents contains not closed attributes.
 * [#11848](http://dev.ckeditor.com/ticket/11848): Fixed: [`editor.insertElement()`](http://docs.ckeditor.com/#!/api/CKEDITOR.editor-method-insertElement) throwing an exception in IE, when there was no selection in editor.

contents.css

@@ -93,6 +93,10 @@ pre
 {
 	white-space: pre-wrap; /* CSS 2.1 */
 	word-wrap: break-word; /* IE7 */
+	-moz-tab-size: 4;
+	-o-tab-size: 4;
+	-webkit-tab-size: 4;
+	tab-size: 4;
 }
 
 .marker

plugins/codesnippet/samples/codesnippet.html

@@ -44,9 +44,9 @@ <h1 class="samples">
 		<p>
 			Select theme: <select id="select"></select>
 		</p>
-        <p>
-            The CKEditor instance below was created by using the following configuration settings: 
-        </p>
+		<p>
+			The CKEditor instance below was created by using the following configuration settings:
+		</p>
 
 <pre class="samples" id="sampleConfig">
 CKEDITOR.replace( 'editor1', {

samples/sample.css

@@ -18,6 +18,14 @@ input, textarea, select, option, optgroup, button, td, th
 	font-size: 100%;
 }
 
+pre
+{
+	-moz-tab-size: 4;
+	-o-tab-size: 4;
+	-webkit-tab-size: 4;
+	tab-size: 4;
+}
+
 pre, code, kbd, samp, tt
 {
 	font-family: monospace,monospace;
@@ -165,10 +173,6 @@ pre.samples
 	padding: 0.25em;
 	white-space: pre-wrap; /* CSS 2.1 */
 	word-wrap: break-word; /* IE7 */
-	-moz-tab-size: 4;
-	-o-tab-size: 4;
-	-webkit-tab-size: 4;
-	tab-size: 4;
 }
 
 #footer