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- This is version 2.0 of X PROLOG
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- The former version was buried after some severe design mistakes were detected.
- But : THIS VERSION IS MERELY A PRELIMINARY VERSION
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- The following features are yet to be implemented :
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- - resizeable stacks
- - automatic stack reorganization
- - garbage collection (for functors and the copystack)
- - TOS interface
- - GEM predicates (any ideas ???)
- - special meta-logical predicates such as
- ancestor cut
- freeze and unfreeze of terms
- debugging hooks (for a meta-level debugger)
- - a good debugger (currently only a simple trace is supplied)
- - grammar rule translator (cprolog's DCG translator would do, but ...)
- - .....
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