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Date: Sat, 14 Apr 2007 21:05:40 +0200
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To: Rasmus Lerdorf <rasmus@lerdorf.com>
CC: "Tijnema !" <tijnema@gmail.com>,
        Guilherme Blanco <guilhermeblanco@gmail.com>, ceo@l-i-e.com,
        Chad Daelhousen <chad@herballure.com>, Ron Korving <r.korving@xit.nl>,
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Subject: Re: [PHP-DEV] dropping asp_tags in HEAD
From: bart@mediawave.nl (Bart de Boer)

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I think those exceptions would be acceptable for now. I like the concept 
of an XML document that contains PHP code. Just like you have XML 
documents that contain Javascript code. I think they should be parsable. 
Since PHP was made for the web, I think we should try to obey the rules 
of the web as much as possible.

But that's just me. :) I understand it will be tough to banish short 
tags all together since so much code depends on it. Losing the ASP style 
tags is a step in the right direction at least.

... And now I'm gonna drink too much beer! Wishing everyone a great 
weekend!

-Bart



Rasmus Lerdorf wrote:
> Bart de Boer wrote:
>   
>> I feel I can't disagree with my hero. :) But is that really so?
>>
>> The XML spec says:
>>
>> PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'
>>
>> Doesn't Char* mean any char?
>>
>> All the parsers seem to accept '>' inside PI's without problems too.
>>     
>
> If you pick your standards carefully, sure.  ;)
>
> I chose the PHP syntax before there was an XML spec.  Back in the dark
> ages where HTML was defined as an SGML DTD.  In SGML-speak <? is a
> general delimiter called PIO, < is STAGO and > is PIC.  In those early
> HTML DTD's you couldn't have a PIO element that contained STAGO or PIC.
> ISO-8879 has all the uglyness in it if you want to dig a bit, but even
> with that it doesn't really tell the whole story of the conditions at
> the time.
>
> The point being that it was a conscious decision to not try to strictly
> comply with the specification at the time or to write a PHP DTD, but
> instead to focus on convenience first and the spec second.  You still
> have plenty of things you can do today that doesn't match modern XML
> specs.  For example:
>
>   <?php echo '?>'; ?>
>
> Or anything with ctrl chars in it.  You can put a literal 0x07 char in a
> quoted string, for example, and PHP will happily pass that through, but
> that is also not allowed in the spec.
>
> -Rasmus
>   

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