From: http://www.w3.org/TR/2000/REC-xml-20001006#sec-pi
[16] PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'
[17] PITarget ::= Name - (('X' | 'x') ('M' | 'm') ('L' | 'l'))
[3] S ::= (#x20 | #x9 | #xD | #xA)+
[2] Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] |
[#x10000-#x10FFFF]
Meaning that between <?php and ?> everytning is allowed but '?>'.
Derick
On Fri, 26 Apr 2002, J Smith wrote:
> Are you positive about that? I would have assumed so, too, but it passes
> both the Sablotron and Xerces XML processors without so much as a warning.
>
> J
>
>
> Rasmus Lerdorf wrote:
>
> >> <?php if ($foo > $bar)
> >> ...
> >> ?>
> >>
> >> Is this valid XML?
> >
> > No, this is technically invalid XML. You would have to write it as:
> >
> > <?php if ($foo > $bar)
> >
> > But sheez... That's just way too ugly, you can work around it and there
> > are other examples out there of people breaking this rule. Doing <?php= is
> > a much more flagrant violation in my opinion.
> >
> > -Rasmus
>
>
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