[Webkit-unassigned] [Bug 25398] throw a DOM hierarchy error on appending a plaintext element into an HTML document

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=25398


Alexey Proskuryakov <ap at webkit.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Platform|PC                          |All
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID
                 CC|                            |ap at webkit.org




--- Comment #4 from Alexey Proskuryakov <ap at webkit.org>  2009-12-29 00:18:18 PST ---
The plaintext element is deprecated ("entirely obsolete, and must not be used
by authors", as HTML5 puts it). It's only natural that its interaction with
newer Web platform features like dynamic DOM tree manipulation can cause weird
and nonsensical results.

Some situations where we'd need to pay more attention to obsolete features are
when these are commonly used in actual Web pages, or when they are causing
security issues. Neither seems to be the case here, so there is no need for us
to change WebKit behavior.

Finally, we seem to perfectly match HTML5 here - both parsing and DOM
requirements (the latter being "user agents must treat plaintext elements in a
manner equivalent to pre elements").

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