@bender-tags: 4.17.2, bug, 4875
@bender-ui: collapsed
@bender-ckeditor-plugins: wysiwygarea, toolbar, basicstyles, list, resize, undo, sourcearea, elementspath, link

1. Select everything contained in `[]` including markers.
2. Press <kbd>delete</kbd> or <kbd>backspace</kbd>

**Expected**

Selected range was properly removed.

**Unexpected**

Selected range was removed partially.

3. Repeat above steps for the next examples.
