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Re: [CSS3-UI] text-overflow:ellipsis (freshly rewritten/expanded and incorporated into editor's draft)

From: Robert O'Callahan <robert@ocallahan.org>
Date: Mon, 24 Jan 2011 16:04:44 +1300
Message-ID: <AANLkTikKTeA_FETSCMtEtPPGEB=BVww7RhANyH3Wa8pk@mail.gmail.com>
To: Tantek Çelik <tantek@cs.stanford.edu>
Cc: www-style@w3.org
On Mon, Jan 24, 2011 at 8:02 AM, Tantek Çelik <tantek@cs.stanford.edu>wrote:

> On Sun, Jan 23, 2011 at 00:56, Robert O'Callahan <robert@ocallahan.org>
> wrote:
> > On Sat, Jan 22, 2011 at 7:53 PM, Tantek Çelik <tantek@cs.stanford.edu>
> > wrote:
> >>
> >> I've applied the filter of only documenting what appears to be
> >> interoperably implemented,
> >
> > Unfortunately, only the simplest situations are handled interoperably
> among
> > IE, Webkit and Opera, so documenting the interoperable stuff leaves most
> > behavior undefined :-).
> If that's so, then web authors/developers are unlikely to be depending
> on things other than "the simplest situations".
> That will do for CSS3-UI.  Anything that is currently not
> interoperable among the three implementations I will leave explicitly
> undefined / up to the implementation in CSS3-UI.

Personally I would rather not have the feature appear in a spec, than have
it appear with such a large volume of undefined behavior. If it was a
genuinely new feature I would object most strenuously. Since text-overflow
is already being used in the wild without prefix, I guess having CSS3UI
describe it is OK. But I think at least there should be strong warnings in
the spec noting the known areas of undefined behavior, e.g.
"WARNING: the behavior of text-overflow:ellipsis on a block with 'overflow'
other than 'hidden' is currently undefined. The effect of
text-overflow:ellipsis on lines whose line boxes are not direct children of
the block box(es) with text-overflow is currently undefined. The interaction
of text-overflow:ellipsis with event handling is currently undefined. The
behavior of text-overflow:ellipsis on lines containing replaced elements is
currently undefined. The behavior of text-overflow:ellipsis on lines
containing right-to-left text is currently undefined. We expect these
behaviors to be specified in future versions of CSS."

"Now the Bereans were of more noble character than the Thessalonians, for
they received the message with great eagerness and examined the Scriptures
every day to see if what Paul said was true." [Acts 17:11]
Received on Monday, 24 January 2011 03:05:16 UTC

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