reinstate old functions cfst and csnd as abbreviations
(* Title: HOL/HOLCF/ROOT.ML Author: Franz RegensburgerHOLCF -- a semantic extension of HOL by the LCF logic.*)no_document use_thys ["~~/src/HOL/Library/Nat_Bijection", "~~/src/HOL/Library/Countable"];use_thys ["Plain_HOLCF", "Fixrec", "HOLCF"];