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RE: titledir

From: CE Whitehead <cewcathar@hotmail.com>
Date: Sun, 5 Sep 2010 18:05:47 -0400
Message-ID: <SNT142-w389C8DBE19811C5477D4E5B38F0@phx.gbl>
To: <aharon@google.com>, <ehsan@mozilla.com>
CC: <public-i18n-bidi@w3.org>


> From: aharon@google.com
> Date: Sun, 5 Sep 2010 09:37:59 +0300
> To: ehsan@mozilla.com
> CC: public-i18n-bidi@w3.org
> Subject: Re: titledir
> See below
> On Fri, Sep 3, 2010 at 7:21 PM, Ehsan Akhgari
>> wrote:
> On Fri, Sep 3, 2010 at 6:01 AM, Aharon (Vladimir) Lanin
>> wrote:
>>> As far as I know, the longdesc attribute points to a URL, and
>>> therefore is not subject to the same considerations as the title
>>> attribute.
>> You have a point. And given that no browser actually supports
> longdesc, it's
>> best to simply not mention it.
> Agreed.
>>> The alt attribute, as applied to images, _can_ potentially
>>> be subject to the same concern [as the title attribute], IMO.
>>> However, I think in order to
>>> determine the direction of the alternate text, I think it should be
>>> safe to specify that user agents are supposed to use the value of the
>>> dir attribute on the img element (or its computed CSS direction).
>> It is indeed the intent to propose, for both alt and title, that their
>> direction should be specified by the element's computed direction
> (which can
>> be set by its dir attribute). However, for title, we are proposing a way to
>> override it with titledir because it is not unreasonable to want an
>> opposite-direction title on an element.
> I agree with all of the above.
>> Although obviously nothing prevents
>> an author from doing the same in alt, I don't think that it is a good idea
>> for the author to do that, and so I don't think that we should encourage it
>> by giving a way to specify it.
> Hmm, I'm still not sure why you don't think it's a good idea for an
> Author to do that. Let me give an example. Let's consider the case
> where in an RTL page, I want to show a European address (which should
> be written in LTR) on a map as a static image displayed using an img
> tag. In order to support the users who have turned image display off,
> for example, I may put the address as the alternate text for the
> image. But the address will be displayed in RTL mode, which is not
> what I intend. I don't see what's different about this use case
> compared to the one you suggested for supporting @titledir for @title.
> There is no reason that the [X] here shouldn't have a dir=ltr on it.
I agree on this that the alt directionality should be more controllable.


C. E. Whitehead
>>> Furthermore, I don't see why we need to explicitly specify that the
>>> titledir attribute should not have a CSS equivalent.
>> Do you think it needs a CSS equivalent?
> No, but I also don't see why we should specify that there should not
> be a CSS equivalent, provided that the CSS WG can come up with a good
> reason why there needs to be one.
> Agreed.
> --
> Ehsan
Received on Sunday, 5 September 2010 22:06:21 UTC

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