[Webkit-unassigned] [Bug 59548] New: Joining two paragraphs using the delete key introduces a closed span element at the end of the first paragraph that seems to break normal rendering and editing support in the following paragraphs

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=59548

           Summary: Joining two paragraphs using the delete key introduces
                    a closed span element at the end of the first
                    paragraph that seems to break normal rendering and
                    editing support in the following paragraphs
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
               URL: http://tinymce.moxiecode.com/tryit/full.php
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P1
         Component: HTML Editing
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: webkit at nuzum.name


Created an attachment (id=91173)
 --> (https://bugs.webkit.org/attachment.cgi?id=91173&action=review)
demonstration of the issue

As of one of the past two nightly builds, combining two paragraphs using backspace seems to insert the following markup at the end of the first paragraph:

<span class="Apple-style-span" style="font-family: Times; font-size: medium;"></span>

Once this takes place, the text formatting of the following content, which is rendered as if it were combined in the first paragraph, but which the HTML view shows as a separate paragraph, reflects those settings.

Also, once this has happened, pressing return at the end of the combined paragraph fails to move the cursor to a new paragraph, instead opening up a new paragraph after the current paragraph and leaving the cursor in the current paragraph.

I have attached a screen recording demonstrating this behavior.

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