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[whatwg] <object>, "broken" content, fallback

From: Jeff Walden <jwalden+whatwg@MIT.EDU>
Date: Tue, 01 Jan 2008 01:46:35 -0600
Message-ID: <4779EFDB.1090101@mit.edu>

Firefox 2 shows FAIL.
Firefox 3 currently shows PASS.
WebKit nightly shows a broken image icon.
Opera 9.25 shows PASS.


For the moment ignoring that WebKit's using @type instead of the server-sent type of the <object> producing the PASS/FAIL/icon (contrary to current HTML5 and HTTP RFC 2616), it seems that WebKit isn't displaying fallback content when the primary content contains "errors" -- malformed images, in this case -- where recent Firefox and Opera are.

The spec doesn't currently address falling back for malformed content, i.e. malformed images, invalid XML (maybe?), content a plugin handler declines to handle (?, dunno whether this is expressible in NPAPI or ActiveX or whether that question's too implementation-dependent), etc.  I tend to think it should since a broken-image icon's not particularly useful, but I don't care strongly one way or the other.

Received on Monday, 31 December 2007 23:46:35 UTC

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