@bender-ui: collapsed
@bender-tags: undo, bug, 4.5.2, trac13441
@bender-ckeditor-plugins: wysiwygarea, toolbar, undo, basicstyles, image2, font, stylescombo, basicstyles, format, maximize, blockquote, list, table, resize, elementspath, justify, clipboard, floatingspace, sourcearea, htmlwriter, link

###Only on IE Edge###

1. Select all contents of one editor.
2. <kbd>ctrl + c</kbd>.
3. Focus second editor.
4. <kbd>ctrl + v</kbd>.
5. Undo button should be enabled. Press <kbd>ctrl + z</kbd> or use undo button.

**Expected result**: Pasted content has been undone.

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1. Focus third editor.
2. Type a letter.

**Expected result**: Undo enabled.