Re: Style vs. Transformation
On Wed, 4 Mar 1998, Jacques Deseyne wrote: > Paul Prescod wrote: > >The style language is > > [...] > >demonstrably a *complete* transformation: any transformation that > >can be expressed in any other transformation language can be > >expressed in the style language. It is also a *good* transformation language. > > [...] > > Has this been demonstrated somewhere ? I'd be interested in any pointers. This just follows from the fact that DSSSL-style language is Turing complete. Therefore any computing problem that can be solved with a computer can also be solved with the style language. Transformations are just one class of computing problems. The question which remains is, which way of doing transformations is more elegant or just simply better or easier: the Jade way or the DSSSL-transformation language way? IMHO, Jade proves that the style language with SGML flow objects can have enough power and expressivity so that the DSSSL-transformation language isn't really needed. But i'm sure that not everyone will share this opininion. > >But I see no reason to require XSL implementors to implement independent > >transformation and style application steps. > > Probably, an independent transformation step seems overkill in a _Style_ > language. But why couldn't you expect requirements for modifying the document's > structure during processing ? Do you really believe that the frequent transformation > needs among SGML users (evolution of DTDs, authoring vs. repository DTDs, ...) > will all of a sudden disappear because they're using a fixed concrete syntax ? The need for transformation language won't go away for sure. The point is, that the style language with SGML flow objects could also be the answer to transformation problems. - Jani XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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