Re: XHTML2 MIME type

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Hi Toby,

Am Freitag, 11. April 2003 18:40 schrieb Toby A Inkster:
> On Fri, Apr 11, 2003 at 04:01:57PM +0200, Bjoern Hoehrmann wrote:
> | Indeed, but using the XHTML 1.0 media type for incompatible XHTML 2.0
> | documents could be a major hindrance to early adopters of XHTML 2.0,
> | since it would be rather hard if not impossible to determine whether
> | the user agent supports XHTML 2.0 on the server side.

> This is already the case. The Accept header is simply not a reliable way
> of determining which user agents can handle XHTML 1.1. e.g. Opera 6 and
> above can handle it, but they don't say so in the Accept header. OTOH,
> most browsers seem to list */* in the Accept header, which suggests they
> will accept application/xhtml+xml!
>
> Currently, I just use something along the lines of:
>
> if ( ($ua =~ m/Opera.7/) || ($su =~ m/Gecko/) ) {
> 	print "Content-Type: application/xhtml+xml\n\n";
> } else {
> 	print "Content-Type: text/html\n\n";
> }
> # now send the xhtml 1.1 document
>
> It is far from ideal, but until browser start using the Accept header in
> a useful manner, it is what needs to be done.
That's really far from ideal.
AFAIK:
Currently, it's illegal to send XHTML 1.1 as text/html.
There's no RFC or TR allowing XHTML 1.1 to be sent as text/html.

> There is no reason not to extent this to XHTML 2:
>
> if ( ($ua =~ m/Opera.8/) || ($su =~ m/Gecko.2/) ) {
>         print "Content-Type: application/xhtml+xml\n\n";
> 	# and now send an xhtml 2 document
> } else if ($ua =~ m/MSIE.7/) {
>         print "Content-Type: application/xhtml+xml\n\n";
>         # and now send an xhtml 1.1 document
> } else {
>         print "Content-Type: text/html\n\n";
> 	# and now send an xhtml 1.1 document
> }
>
> (assuming Microsoft finally builds some support for XHTML into IE 7!)
And how am I supposed to do that in my .htaccess?

I don't want to say your solution is bad. It isn't bad. I like it and I 
already used it quite often myself.
But if user agents that can handle XHTML would at least properly indicate they 
do, the world would be a lot better.

It's just not practicable to wrap each HTML file with Perl, PHP, JSP, Servlets 
or whatever.


Bye
- -- 
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Christian Wolfgang Hujer
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Received on Friday, 11 April 2003 15:36:38 UTC