W3C home > Mailing lists > Public > public-html@w3.org > June 2009

Re: <object> element - Global Attributes

From: Joe D Williams <joedwil@earthlink.net>
Date: Sat, 13 Jun 2009 22:21:22 -0700
Message-ID: <EDB9373710684C3CBBD8CCA5C8A82B8B@joe1446a4150a8>
To: "Ian Hickson" <ian@hixie.ch>
Cc: "Boris Zbarsky" <bzbarsky@MIT.EDU>, "HTML WG" <public-html@w3.org>
Ian > It's not a conforming attribute, you're not supposed to use it, 
but we have to define what happens
when someone does anyway.

It looks like the sequence for "the user agent must run the following 
steps to determine what the object element represents:
... "  tells very clearly.
The first attribute examined is @classid. If the browser doesn't do 
that or any classid, then move along to type.
I haven't  checked on the ones @classid used to or still crashes, but 
it is a great authoring tool for specialized plugin makers and authors 
wanting to try for a specific plugin. Plus, a very proven technique to 
give power to the author and even maybe that can help keep a plugin 
maker from needing to munge type registrations.

Earlier in this thread I saw a partial description of how Safari now 
deals with @classid.
I haven't tested @classid anywhere for a while but selection by MIME 
seemed a lot better everywhere last time I looked.

Although I never needed them, of course I hope that getting rid of the 
need for conditional comedy, eeerrr conditional comments that is, 
would be an essential goal.

As long as HTML 5 browsers don't crash on it but keep processing and 
take the next hint(s) and try to get the plugin running and give 
proper fallback for failure, skipping @classid is OK. I would say all 
HTML 5 browsers don't need to provide any @classid registrations 
alongside MIME and file extensions if it is too much, but it would be 
nice, I think.

Thank You and Best` Regards,
In my mind honoring or at least allowing @classid would end the last 
vestige of bw. Of course I also think HTML 5 should not worry abut 
html browsers that didn't do object properly even without classid - 
obsolete the always dreaded (to me) embed nested fallback in object:)
Received on Sunday, 14 June 2009 05:22:23 UTC

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