RE: XML Processing instruction proposal

[John McClure <hypergrove@xxxxxxxxxxx>]

What HTML browser is DSSSL integrated with?
Thanks,
John

On Friday, February 12, 1999 6:50 PM, Didier PH Martin [SMTP:martind@xxxxxxxxxxxxx] wrote:
> Hi,
> 
> Now that DSSSL is integrated with a HTML browser, there is still an open
> question: what convention do we use for the style sheet processing
> instruction?
> 
> Here is my proposal submitted to you for discussion. this is concerning XML
> rendered with DSSSL style sheets and it is expressed as a set of rules.
> 
> a) For XML documents, the processing instruction is following the last W3C
> recommendations about style sheets linkage with XML documents.
> b) The browser make this implicit assumption:
> 	- if not media property is mentioned it is by default the screen and the
> native rendering formatting objects are HTML+CSS based.
> Example: <?xml-stylesheet href="MyScript.dsl" type="text/dsssl"?>
> 	- If media="screen, html" then the browser is using the SGML transformation
> part of the DSSSL engine and display the resultant SGML markups. This is
> corresponding to the Jade's flag "-t sgml".
> Example:<?xml-stylesheet href="MyScript.dsl" text="text/dsssl"
> media="screen,html"?>
> - if media="screen, rtf" then the browser display the result with a RTF
> player associated to the rtf extension. For example, this could be word or
> word viewer.
> Example:<?xml-stylesheet href="MyScript.dsl" text="text/dsssl"
> media="screen,rtf"?>
> 
> If a DOCTYPE declaration is present, then the document is parsed an
> validated against the included doctype.
> If no doctype declaration is included, then the document is parsed and not
> validated.
> The xml declaration is not mandatory (i.e. the <?xml version="1.0"?> )
> 
> Now about printing:
> 
> There can be several style sheet per xml document. The browser will
> recognize the first one targeted to the screen as the style sheet to be used
> for rendering in the browser window. if a style sheet with
> media="screen,xxx" and media="print,xxxx" then, the former is used for
> rendition on the screen and the latter for printing.
> Example:
> 	<?xml version=1.0"?>
> 	<?xml-stylesheet href="myscript.dsl" type="text/dsssl"
> media="screen,html"?>
> 	<?xml-stylesheet href="myscript.dsl" type="text/dsssl" media="print,rtf"?>
> the first style sheet PI is used to render on the screen using HTML
> transformation (i.e. Jade extensions or Tony HTML Macros). The latter is
> used for printing and is selected by the "print" menu option.
> 
> Open issue, actually , W3C has no mechanism for catalog files, what do you
> suggest? Because a XML document could be on the Web perhaps a PI solution
> would be considered. As an example <?xml-catalog
> href="http://www.mydomain.com/catalog";?> The catalog file format would be as
> it is today in Jade and in conformance to the actual SGML industry standard.
> Thus, the XML document would contain indirect references to external
> resources as it is actually common practice with SGML documents.
> 
> Your comments are invited before I move to the implementation phase. An
> other thread will target SGML specific issues.
> 
> Thank for your collaboration
> Didier PH Martin
> mailto:martind@xxxxxxxxxxxxx
> http://www.netfolder.com
> 
> 
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