Wed May  3 22:45:41 2006  Ben Pfaff  <blp@gnu.org>

	Continue reforming procedure execution.  In this phase, get rid of
	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.
	 
	* do-if.c: (cmd_do_if) Use finalizer to ensure control stack gets
	cleared.
	(do_if_finalize_func) New function.

	* loop.c: (create_loop_trns) Use finalizer to ensure control stack gets
	cleared.
	(loop_trns_finalize) New function.

	* temporary.c: (global var temporary) Removed.  Changed references
	to use proc_make_temporary_transformations_permanent() or
	proc_in_temporary_transformations().
	(global var temp_dict) Removed.
	(global var temp_trns) Removed.
	(cmd_temporary) Reimplement in terms of
	proc_in_temporary_transformations() and
	proc_start_temporary_transformations().
	(cancel_temporary) Moved to procedure.c, renamed
	proc_cancel_temporary_transformations().
		
Thu Mar  2 08:40:33 WST 2006 John Darrington <john@darrington.wattle.id.au>
	
	* Moved files from src directory