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[whatwg] Invalid values of dir attribute causing change in appearance?

From: L. David Baron <dbaron@dbaron.org>
Date: Tue, 24 Jan 2012 15:09:43 -0800
Message-ID: <20120124230943.GA31615@pickering.dbaron.org>
specifies that UA style sheets should have the rule:
  [dir] { unicode-bidi: embed; }

This implies that invalid values of the dir attribute should cause a
change in presentation.  This seems wrong to me, on the general
principle that invalid values of attributes should be ignored.
(Though perhaps this isn't a general principle that we're following
anymore?  I rather thought it was, though.)

I tend to think that only the known values of the dir attribute
should cause the unicode-bidi:embed styling.

(I'm asking since this has been tested and bugs filed:
https://bugzilla.mozilla.org/show_bug.cgi?id=713621 .)


?   L. David Baron                         http://dbaron.org/   ?
?   Mozilla                           http://www.mozilla.org/   ?
Received on Tuesday, 24 January 2012 15:09:43 UTC

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