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Re: xml + style.
- From: David <dlee@calldei.com>
- To: xml-dev@lists.xml.org
- Date: Tue, 22 Jun 2010 10:34:19 -0400
On 6/22/2010 3:12 AM, Dave Pawson wrote:
20100622081222.45903745@marge3" type="cite">I was
asking if any other work has been done in this area.
It's largely been a sacred cow since XML, I no longer take
that view.
regards
IMHO, this "sacred cow" is a misconception, although I have shared it
myself.
It confuses the markup language (XML) with the intent of the document
(data vs presentation vs content ...).
If the intent of the document is indeed presentation there are "blessed
golden cow" standards that fully embrace it. A classic example is FOP
which is all about presentation. And of course xhtml ... Then there
are "somewhat structured somewhat presentation" formats like say
DocBook ... although I suspect some would argue that they are not at
all presentational I disagree. Its a mater of degree. You may not
be specifying the exact font or even presentation order in DocBook but
when you do have things like "Ordered Lists" I would call that atleast
somewhat presentation markup. ( from" http://www.docbook.org/tdg/en/html/orderedlist.html
" A list in which each entry is
marked with a sequentially incremented label" - to my reading that is a
presentational directive).
In the end I think it all depends on your goals. A lot of what "markup
geeks" are trying to do is to get away from a long long history of
presentational documents and to encode meaning and structure and
separate out the presentation into some other thing (like XSLT + FOP !
yet still that's XML ).
So its not like "XML Shall Not Encode Presentation Data."
There does seem to be a lot of standards somewhat in the middle. (like
say HL7 or even xhtml), depending on how you look a it, either
recognize the difficulty of fully removing presentational markup,
embraced it as a 'necessary evil', or perhaps gave up fighting the
desires of the actual end users of the technology. Maybe thats
"good".
IMHO, the choice should be driven by the goals of the users of the
technology, not the technology itself.
In fact if you *couldnt* represent presentation data in XML I suggest
XML would never have gained wide use.
-------------------------
David A. Lee
dlee@calldei.com
http://www.calldei.com
http://www.xmlsh.org
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