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[Bug 11426] Meta prescan should run on the first 1024 bytes

From: <bugzilla@jessica.w3.org>
Date: Wed, 09 Feb 2011 00:02:04 +0000
To: public-html-bugzilla@w3.org
Message-Id: <E1PmxVU-0008Ek-31@jessica.w3.org>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=11426

Ian 'Hixie' Hickson <ian@hixie.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #7 from Ian 'Hixie' Hickson <ian@hixie.ch> 2011-02-09 00:02:02 UTC ---
Looks like WebKit actually uses 1024 for the number of bytes to the _beginning_
of the <meta>, and never bails if it's not in the <head>, and only uses the
preparse, not the full algorithm, so all in all it doesn't really match the
spec at all:

   http://hixie.ch/tests/adhoc/html/parsing/encoding/134.html
   http://hixie.ch/tests/adhoc/html/parsing/encoding/135.html

Re comment 6: Please consider this your first complaint, then. Blocking until
the first 1024 bytes have been seen without a timeout would mean that
hanging-GET style iframes would not fire anything until a kilobyte of data has
been received, which could result in several events getting eaten up.

EDITOR'S RESPONSE: This is an Editor's Response to your comment. If you are
satisfied with this response, please change the state of this bug to CLOSED. If
you have additional information and would like the editor to reconsider, please
reopen this bug. If you would like to escalate the issue to the full HTML
Working Group, please add the TrackerRequest keyword to this bug, and suggest
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   http://dev.w3.org/html5/decision-policy/decision-policy.html

Status: Partially Accepted
Change Description: see diff given below
Rationale: I don't mind updating the recommendation to 1024 bytes, since it is
closer to what browsers do (though clearly not identical), but forcing browsers
to stall seems like it would harm potentially good performance competition.

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Received on Wednesday, 9 February 2011 00:02:05 GMT

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