Continue reforming procedure execution. In this phase, get rid of
authorBen Pfaff <blp@gnu.org>
Thu, 4 May 2006 06:19:02 +0000 (06:19 +0000)
committerBen Pfaff <blp@gnu.org>
Thu, 4 May 2006 06:19:02 +0000 (06:19 +0000)
many global variables, consolidating procedure execution in
procedure.c.  Encapsulate transformations in new "struct trns_chain".
Also, change implementation of N OF CASES, FILTER, and PROCESS IF from
special cases to transformations.


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