src/HOL/Sexp.thy
1996-02-05 ago expanded tabs; renamed subtype to typedef;
1995-12-08 ago improved indentation
1995-11-29 ago removed quotes from types in consts and syntax sections
1995-06-21 ago removed \...\ inside strings
1995-03-24 ago changed syntax of tuples from <..., ...> to (..., ...)
1995-03-03 ago new version of HOL with curried function application