∂13-DEC-74  1503		VCG,DCL
 There are a couple of extra loop frames around that could be
 used to test your new compr (but they may need a little
 editing):
 FTSL--the old Buchanan infix to prefix writer,
 FFIB1-- Fibonacci loop (easier).
 Both are on APG,DCL.
 the alternative is to write some new loop frames!