Merge branch 't/11641'

CHANGES.md

@@ -13,7 +13,7 @@ Fixed Issues:
 * [#9205](http://dev.ckeditor.com/ticket/9205), [#7805](http://dev.ckeditor.com/ticket/7805), [#8216](http://dev.ckeditor.com/ticket/8216): Fixed: `{cke_protected_1}` appearing in data in various cases where HTML comments are placed next to `"` or `'`.
 * [#11635](http://dev.ckeditor.com/ticket/11635): Fixed: Some attributes are not protected before content is passed through fix bin.
 * [#11660](http://dev.ckeditor.com/ticket/11660): [IE] Fixed: Content of a table is lost when there is some extra markup inside a table.
-
+* [#11641](http://dev.ckeditor.com/ticket/11641): Fixed: Switching between modes in framed editor removes content styles for inline editor.
 
 ## CKEditor 4.3.3
 

core/editable.js

@@ -801,16 +801,18 @@
 				}
 
 				// Remove contents stylesheet from document if it's the last usage.
-				var doc = this.getDocument(),
-					head = doc.getHead();
-				if ( head.getCustomData( 'stylesheet' ) ) {
-					var refs = doc.getCustomData( 'stylesheet_ref' );
-					if ( !( --refs ) ) {
-						doc.removeCustomData( 'stylesheet_ref' );
-						var sheet = head.removeCustomData( 'stylesheet' );
-						sheet.remove();
-					} else
-						doc.setCustomData( 'stylesheet_ref', refs );
+				if ( !this.is( 'textarea' ) ) {
+					var doc = this.getDocument(),
+						head = doc.getHead();
+					if ( head.getCustomData( 'stylesheet' ) ) {
+						var refs = doc.getCustomData( 'stylesheet_ref' );
+						if ( !( --refs ) ) {
+							doc.removeCustomData( 'stylesheet_ref' );
+							var sheet = head.removeCustomData( 'stylesheet' );
+							sheet.remove();
+						} else
+							doc.setCustomData( 'stylesheet_ref', refs );
+					}
 				}
 
 				this.editor.fire( 'contentDomUnload' );