Merge branch 't/14234'

CHANGES.md

@@ -9,6 +9,7 @@ CKEditor 4 Changelog
 	* [#13389](http://dev.ckeditor.com/ticket/13389): [Blink] [`editor.getData()`](http://docs.ckeditor.com/#!/api/CKEDITOR.editor-method-getData) fails when the cursor is next to an `<hr>` tag.
 	* [#13513](http://dev.ckeditor.com/ticket/13513): [Blink, WebKit] [Div Editing Area](http://ckeditor.com/addon/divarea) and [`editor.getData()`](http://docs.ckeditor.com/#!/api/CKEDITOR.editor-method-getData) throw an error when an image is the only data in the editor.
 * [#13884](http://dev.ckeditor.com/ticket/13884): Fixed: Copy/paste table in Firefox results in just first cell being pasted.
+* [#14234](http://dev.ckeditor.com/ticket/14234): Fixed: URL input field is not marked as required in the [Embed](http://ckeditor.com/addon/embed) dialog.
 
 ## CKEditor 4.5.6
 

plugins/embedbase/dialogs/embedbase.js

@@ -78,6 +78,7 @@ CKEDITOR.dialog.add( 'embedBase', function( editor ) {
 						type: 'text',
 						id: 'url',
 						label: editor.lang.common.url,
+						required: true,
 
 						setup: function( widget ) {
 							this.setValue( widget.data.url );