Custom Query

Steps to reproduce

1. Create numbered list
2. Select numbered list
3. Change font size to 72

Expected result

List markers have font size applied and appear as 72 (huge)

Actual result

List markers didn't change and appear as standard size (small)

Other details (browser, OS, CKEditor version, installed plugins)

Demonstration page: ​http://jsfiddle.net/paragonid/fj43dfcL/3/

CKEditor version: 4.7.0 full-all

OS: MAC (10.10.5)

Browser: Chrome 58.0.3029.81 (64-bit)

Plugin: ​http://ckeditor.com/addon/font

Steps to reproduce

1. Go to ​http://nightly.ckeditor.com/17-05-29-06-08/full/samples/ using latest Google Chrome
2. Activate Souce Code view
3. Paste following HTML Code:

<h1>Most Valuable Player&#160;| 1. Bundesliga Frauen - Saison
2015/16</h1>
<div>
  <input class="ui:include" type="button" value="/cms/components/mvp_1blf_201516" disabled="true"/>
</div>

4. Switch back to WYSIWYG-Mode

Expected result

Editor is usable.

Actual result

Editor crashes Chrome tab with 100% CPU load. Tab needs to be killed with chrome task manager.

Other details (browser, OS, CKEditor version, installed plugins)

Reported by customer using current stable Windows Google Chrome. Edge and FF seem fine. Reproducable on Chrome Version 58.0.3029.110 (64-bit) running latest MacOS. The bug occurs with CKEditor 4.6.1 and also 4.7.0 and in the nightly demo.

This issue is reproducible on our Document Editor demo. I wasn't able to repro it on a regular sample.

Maybe the fact that the editor is placed into a DOM dynamically has something to do?

1. Go to ​Document Editor demo.
2. Make a partial selectiom on the table, say 2x3 cell
3. Copy to clipboard.
4. Move selection into another paragraph.
5. Paste.
6. Try to make table seleciton on a pasted table.

Expected

Our custom selection is being made.

Actual

Exception is thrown:

ckeditor.js?oqkjc5:66 Uncaught TypeError: Cannot read property 'ownerDocument' of undefined
    at window.CKEDITOR.window.CKEDITOR.dom.CKEDITOR.dom.element.getDocument (ckeditor.js?oqkjc5:66)
    at window.CKEDITOR.window.CKEDITOR.dom.CKEDITOR.dom.element.getDocumentPosition (ckeditor.js?oqkjc5:108)
    at b (ckeditor.js?oqkjc5:1220)
    at window.CKEDITOR.window.CKEDITOR.dom.CKEDITOR.dom.document.<anonymous> (ckeditor.js?oqkjc5:1227)
    at window.CKEDITOR.window.CKEDITOR.dom.CKEDITOR.dom.document.c (ckeditor.js?oqkjc5:11)
    at window.CKEDITOR.window.CKEDITOR.dom.CKEDITOR.dom.document.window.CKEDITOR.window.CKEDITOR.dom.CKEDITOR.event.CKEDITOR.event.fire (ckeditor.js?oqkjc5:13)
    at HTMLDocument.<anonymous> (ckeditor.js?oqkjc5:58)

Additional Information

I was able to reproduce it on Chrome, and Edge. Most likely it's reproducible on other browsers too.