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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Escher could have drawn it (Re: XML Schema and Entities)
Quoting Peter Flynn <peter@s...>:
> PIs are for passing procedural instructions through XML to a
> post-processor. They are not intended for consumption and
> action by the XML processor itself in any way that would affect
> the integrity of the document.
But... they're called Processing Instructions!
My only example of their real-world use is in PHP:
<foo>
<?php
... executable code! ...
?>
</foo>
...but PHP just happens to use that syntax for compatability, you can just as
easily write:
<<?php echo $element_name?> foo="bar">
Content!
</<?php echo $element_name?>>
because it finds the <?php with a state machine that traverses the script.
> For example you can encode a forced line-break in a title that
> you know will be required when the document is typeset but which
> you don't wish to hard-code wrt the document structure:
>
> <title>How I Made <?LaTeX \\?>A Million Dollars</title>
Eeeeek.
<title>How I Made <typesetting-hints:linebreak />A Million Dollars</title>
...suits me more :-)
>
> ///Peter
>
ABS
--
Alaric B. Snell
http://www.alaric-snell.com/ http://RFC.net/ http://www.warhead.org.uk/
Any sufficiently advanced technology can be emulated in software
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