[jsr-314-open] [xmldecl-696] suppressing XML declaration for MR1

[Dan Allen]

On Fri, Dec 11, 2009 at 7:18 PM, Jim Driscoll <Jim.Driscoll at sun.com> wrote:

>
>
> On 12/11/09 3:45 PM, Dan Allen wrote:
>
>> Oh, I forgot one use case. Max was saying that they need to use CDATA in
>> their templates, but the CDATA should not be sent to the browser. So
>> there is the same problem with CDATA as with the XML declaration.
>>
>
> I commented directly on the bug, but here's my thoughts.
>
> The CDATA case is actually considerably harder than the XML declaration.
>
> Typically, you either want to serve the XML declaration application wide,
> or you don't.  Generally, because of IE, you don't.  I would argue that we
> should make that the default case.  If IE ever gets it's act together, or
> folks start using XML v2.0, then we can revisit the decision - that should
> last us for at least 5 years, anyway.
>
> With CDATA, there will be times when you want to serve CDATA blocks to the
> browser (most notably, to wrap scripts).
>
> Apparently, there will also be times when you don't (though the example of
> a custom script tag is not compelling to me - we handle that in Mojarra's
> implementation without incident, though it's a painful block of code to
> read).
>
> There will therefore be times when you both want to serve CDATA blocks, and
> when you do not, possibly in the same page.
>

So just have a cdata tag.

<![CDATA[foo]]>  -- sent w/o CDATA (e.g., foo)
<h:cdata><![CDATA[foo]]></h:cdata> -- send wrapped as CDATA
<h:cdata>foo</h:cdata> -- sent wrapped as CDATA

This was solved in XSLT (if my memory is not failing me), so we are no
different.

-Dan

-- 
Dan Allen
Senior Software Engineer, Red Hat | Author of Seam in Action
Registered Linux User #231597

http://mojavelinux.com
http://mojavelinux.com/seaminaction
http://www.google.com/profiles/dan.j.allen
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