Re: DSSSL -> Adept Screen FOSI

[Paul Prescod <papresco@xxxxxxxxxxxxxxxx>]

> Is it possible to "translate" my DSSSL style sheet (for use with Jade)
> into somehting that can be used by Adept*Editor 7.0.1 to format the
> screen output?  

DSSSL is much more powerful than FOSI, and uses a much different execution
model. I don't think that DSSSL could be converted into FOSI with any
reliability at all. Essentially, the problem is equivalent to the halting
problem: known to be unsolvable.

> I don't need perfection, but a close aproximation would
> be nice.

It would be possible to write software that looked at some DSSSL rules,
and recognized what some simple ones did, and did the right thing in FOSI.
But even a simple looking stylesheet might use some "tricky" DSSSL feature
in a very basic rule (i.e. the rule for processing the document element)
and everything else would be completely wrong because of it.

 Paul Prescod  - http://itrc.uwaterloo.ca/~papresco

"In general, as syntactic description becomes deeper, what appear to 
be semantic questions fall increasingly within its scope; and it is 
not entirely obvious whether or where one can draw a natural bound 
between grammar and 'logical grammar'."  - Noam Chomsky, 1963


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