Firefox: problem with removing links

[Wiktor Walc]

Removing links in Firefox is problematic and doesn't work as expected.

Issue 1

The link is not completely removed. When typing the text it becomes a link.

• press "New Page" to clear all contents
• click on a "Link" and type some url, press OK to insert the link
• click at the end of the link, use keyboard (shift + left arrow key) to select the whole link
• press "Delete" key to delete the selected text (link)
• type some text
• result: the text is a link

Issue 2

Similar to 1. Occurs when link is removed and there is some content before the link.

• having some initial text in CKEditor in the first line, go to the end of this line, press space
• click on a "Link" and type some url, press OK to insert the link
• click at the end of the link
• press "Backspace" key a couple of times to delete the selected text (link)
• type some text
• result: the text is now surrounded with a span tag: <span style="text-decoration: underline;"></span>

[Jakub Ś]

There are two other tickets that concern exiting link in Firefox: #8146, #10966 , #10709.

[kkrzton]

Works correctly on FF 43.0 with CKEditor 4.5.6.