src/HOL/Isar_Examples/Expr_Compiler.thy
2012-02-21 wenzelm 2012-02-21 misc tuning;
2011-02-22 wenzelm 2011-02-22 modernized specifications;
2010-07-01 wenzelm 2010-07-01 misc tuning and modernization;
2010-03-01 haftmann 2010-03-01 replaced a couple of constsdefs by definitions (also some old primrecs by modern ones)
2009-10-20 wenzelm 2009-10-20 modernized session Isar_Examples;