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[Bug 10809] i18n comment 3 : new attribute: submitdir

From: <bugzilla@jessica.w3.org>
Date: Wed, 29 Sep 2010 23:24:33 +0000
To: public-html-bugzilla@w3.org
Message-Id: <E1P160n-0003Jo-5r@jessica.w3.org>

Ehsan Akhgari [:ehsan] <ehsan@mozilla.com> changed:

           What    |Removed                     |Added
                 CC|                            |ehsan@mozilla.com

--- Comment #2 from Ehsan Akhgari [:ehsan] <ehsan@mozilla.com> 2010-09-29 23:24:32 UTC ---
(In reply to comment #1)
> Why is this needed? I.e. What problem does it solve? (keeping in mind I don't
> know much about bidi).

The rationale is explained here:

But here is a typical example.  Let's say I enter something like "Firefox IS A
GOOD WEB BROWSER" (where uppercase text represents text in a RTL language).  If
the direction of the textbox is ltr, this shows up like this on the screen:


which is wrong.  Then, I set my user agent to switch the direction of the text
field (using Ctrl+Shift+X in Firefox, for example), which makes the text appear


which is what an RTL native speaker would expect.

Now, I submit the form, and let's say that the server's job is to just generate
some HTML to display the entered value on a web page.  If the server has no way
of knowing about the direction change that I made while editing, that
information is effectively lost, and the resulting HTML will appear as below on
the screen.


But with the submitdir attribute, this information will be preserved in the
form submission process, and the server can generate the correct HTML code
based on that.

> Firefox used to have various preferences which controlled how rtl text should
> be submitted, but they were largely unused by users and over time stopped
> working as originally intended. Eventually they were completely removed since
> it was unclear if they were used at all. So far no one has complained about
> their removal so it does indeed seem like they were unused. However these prefs
> were very different from what is proposed here, so it might be that the
> suggested feature is much more useful.

Those preferences were actually doing something different: they were used to
change the *encoding* of the text between encodings with logical and visual
ordering.  This is not relevant here.

> Should the submitted value be affected by CSS rules that affect the direction
> of the control?


> What happens if the control itself has dir=ltr but only contains rtl text? 

Because @dir=ltr maps to |direction: rtl;| in CSS, submitdir should be
submitted as "ltr".  Please note that in this proposal, the actual contents of
the form control do not affect the value of submitdir.

> if it contains both rtl and ltr text?

Same as above.

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Received on Wednesday, 29 September 2010 23:24:35 UTC

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