@bender-tags: selection, bug, 4.7.2, trac16820
@bender-ckeditor-plugins: wysiwygarea,toolbar,horizontalrule
@bender-ui: collapsed

1. Open browser console.
1. Add Horizontal line.
1. Click below line in editor.

**Expected:** No visible errors in test or developer console.

**Unexpected:** Error thrown in a developer console.
