Changes by: Adam Granicz (granicz at cs.caltech.edu)
Date: 2003-09-01 08:37:18 -0700 (Mon, 01 Sep 2003)
Revision: 4907
Log message:

      Check whether we specify valid symbols in %prec of a rule.
      

Changes	Path
+18 -2	metaprl/filter/phobos/phobos_grammar.ml
+2 -0	metaprl/filter/phobos/phobos_util.ml
+4 -0	metaprl/filter/phobos/phobos_util.mli