Subject: RE: XSLT vs JSP
From: Chuck Robey <chuckr@xxxxxxxxxxxxxx>
Date: Wed, 30 Jun 1999 21:34:15 -0400 (EDT)
On Mon, 28 Jun 1999, Didier PH Martin wrote:

> HI Chuck,
> Chuck said:
> xml and xsl seem to me, since they are more limited in scope than sgml
> and dsssl, to be easier.  I don't think it's gone far enough in
> simplification, but it's easier.
> If you disagree with my first sentence above, could you give me the
> intention for usage, for sgml & dsssl?
> Didier says:
> Yes SGML and DSSSL can be used for document publication (document encoding
> and formatting). Saying that XML is more limited in scope and is a SGML
> subset is also true. Saying that xsl is more limited in scope than DSSSL is
> not true. XSL and DSSSL differ mostly by:
> a) their respective syntax
> b) XSL uses a different type of rule and like Ken says, xsl uses a rule by
> example (you show what you want) and DSSSL uses procedural constructs. When
> used in the context of XML to HTML transformation, we can say that obviously
> XSL is more accessible than DSSSL for those who know well HTML. When XSL is
> used with XSL formatting objects, now, both DSSSL and XSL share the same
> level of difficulty. The other major difference where we can say that XSL
> has an easier access than DSSSL is because XSL has JavaScript has its
> expression language. For those used to classical procedural languages,
> JavaScript is easier to grasp than a scheme based expression language.
> However, when the expression language is not used in both languages and that
> formatting objects are used, both languages share the same level of
> difficulty. It is therefore false to say that XSL scope is less than DSSSL.
> It is similar.

Didier, you explain that their scope is similar, but I don't *think* I
said otherwise, I said that xsl was simpler, in that it has less
language features to remember, and is simpler to do things in.  I
did not mean to comment at all on scope, although, if I had, I think I
would have said XSL's scope is larger.  DSSSL is meant to be used to
format documents, and XSL is meant to do that AND to format web pages
also.  The scope of usage, I thought, was greater for XSL.  Regardless,
the point I was making was for simplicity, not scope.  Did you slip in
writing that last line, or did you really mean to comment about scope?

Chuck Robey                 | Interests include any kind of voice or data 
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