IE6-10: Clicking enter after selecting table, page-break or hr causes JS error

[ananthand]

Table

1. Clear editor contents
2. Click on/Select the table (so that you could see resize squares)
3. Press ENTER key

Page-Break

1. clear the page
2. type some character + press ENTER + press page_break
3. press Ctrl+A
4. press page_break again.

Alternative STR:

1. Click anywhere in the "Little Red Riding Hood" page and press page_break.
2. press Ctrl+A to select the whole page.
3. Click again on the page_break.

Horizontal line

1. clear editor contents
2. insert <hr />
3. set cursor at the beginning of paragraph that contains horizontal line - press cursor UP key (little cursor should be blinking at the beginning of line)
4. press enter

[ananthand]

getFirst() is null or not an object

[Jakub Ś]

Results for above TCs: JS error is thrown

IE9-IE10
Message: Unable to get value of the property 'insertBeforeMe
Line: 163
URI: /ckeditor/_source/core/dom/range.js

IE6-8
Message: 'getFirst()' in null or not an object
Line: 163
URI: /ckeditor/_source/core/dom/range.js

Reproducible in all versions of IE from CKEditor 3.0

[Jakub Ś]

#7193 was marked as duplicate.

[Jakub Ś]

Same error but diffrent TC and different version #8800

[Piotrek Koszuliński]

I couldn't reproduce any of these issues on 4.3.