Thu, 05 Jun 1997 13:55:29 +0200 paulson Removal of freeze_vars and thaw_vars. New freeze_thaw
Thu, 05 Jun 1997 13:53:59 +0200 paulson freezeT now refers to Type.freeze_thaw
Thu, 05 Jun 1997 13:52:43 +0200 paulson Tidying of signature. More robust renaming in freeze_thaw.
Thu, 05 Jun 1997 13:30:24 +0200 paulson Removal of freeze_vars and thaw_vars (quite unused...)
Thu, 05 Jun 1997 13:29:41 +0200 paulson Removal of radixstring from string_of_int; addition of string_of_indexname
Thu, 05 Jun 1997 13:28:32 +0200 paulson There was never need for another copy of radixstring...
Thu, 05 Jun 1997 13:27:28 +0200 paulson Numerous simplifications and removal of HOL-isms
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