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What is the purpose of the ?s in this xml:
<?xml version="1.0"?>

can this be written as:
<?xml version=\"1.0\"?>
</?xml>

* JustSomeGuy wrote in comp.text.xml:
>What is the purpose of the ?s in this xml:
><?xml version="1.0"?>

Basically to ensure that this is not confused with e.g.

<xml version="1.0">

which would not make much sense.

>can this be written as:
><?xml version=\"1.0\"?>
></?xml>

No. See http://www.w3.org/TR/REC-xml/#NT-XMLDecl for details.
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Björn Höhrmann · private.php?do=newpm&u= · http://bjoern.hoehrmann.de
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"Bjoern Hoehrmann" <> wrote in message
news:.. .
> * JustSomeGuy wrote in comp.text.xml:
> >What is the purpose of the ?s in this xml:
> ><?xml version="1.0"?>
>
> Basically to ensure that this is not confused with e.g.
>
> <xml version="1.0">
>
> which would not make much sense.
>

Why wouldn't that make sense?
Is there something special about the '?' character in xml?
ie is this legal?

<?foo v="100"?>
or
<?foo v="100">
</?foo>


> >can this be written as:
> ><?xml version=\"1.0\"?>
> ></?xml>
>



> No. See http://www.w3.org/TR/REC-xml/#NT-XMLDecl for details.
> --
> Björn Höhrmann · private.php?do=newpm&u= · http://bjoern.hoehrmann.de
> Weinh. Str. 22 · Telefon: +49(0)621/4309674 · http://www.bjoernsworld.de
> 68309 Mannheim · PGP Pub. KeyID: 0xA4357E78 · http://www.websitedev.de/

* JustSomeGuy wrote in comp.text.xml:
>> Basically to ensure that this is not confused with e.g.
>>
>> <xml version="1.0">
>>
>> which would not make much sense.
>
>Why wouldn't that make sense?

People and possibly processors would confuse it with element syntax, for
example.

>Is there something special about the '?' character in xml?

Well, to some extend yes, it is used to construct the XML declaration
and processing instruction.

>ie is this legal?
>
><?foo v="100"?>

Yes, that's a processing instruction, check http://www.w3.org/TR/REC-xml
to learn more about processing instructions.

>or
><?foo v="100">
></?foo>

That's legal if there is a closing ?> following it.
--
Björn Höhrmann · private.php?do=newpm&u= · http://bjoern.hoehrmann.de
Weinh. Str. 22 · Telefon: +49(0)621/4309674 · http://www.bjoernsworld.de
68309 Mannheim · PGP Pub. KeyID: 0xA4357E78 · http://www.websitedev.de/