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[smlnj] Diff of /sml/trunk/NOTES/HISTORY
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Diff of /sml/trunk/NOTES/HISTORY

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revision 2492, Fri May 4 03:39:10 2007 UTC revision 2551, Tue May 15 15:47:02 2007 UTC
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25  and improvements in printing signatures.  and improvements in printing signatures.
26    
27  ----------------------------------------------------------------------  ----------------------------------------------------------------------
28    Name: Aaron Turon (http://www.cs.uchicago.edu/~adrassi)
29    Date: 2007/05/02
30    Description:
31    
32    Preliminary commit of large ml-lpt revisions (more to come for 110.64).
33    The ml-antlr specification format has changed: declarations such as
34    %tokens and nonterminal definitions can occur *multiple* times in the
35    same specification.  The semantics are such that each new declaration
36    extends the previous ones.  Grammar extension constructs have also
37    changed.  We now allow type annotations on nonterminals.  Finally,
38    the refcell construct is now implemented using SML's regular reference
39    cells, so the :== and !! notation has been deprecated.  All of these
40    changes will appear in the 110.64 user guide for ml-lpt.
41    
42    The ml-antlr tool now does much more checking of specifications, and
43    its error messages have been greatly improved.  There has also been
44    some work on the error repair process for generated parsers, but this
45    will be further improved in 110.64.
46    
47    ----------------------------------------------------------------------
48  Name: John Reppy (http://www.cs.uchicago.edu/~jhr)  Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
49  Date: 2007/04/24  Date: 2007/04/24
50  Description:  Description:

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