src/HOL/Library/Debug.thy
Fri, 19 Jan 2018 12:49:17 +0100 \----- start update Isabelle2015 --> Isabelle2017
Sat, 05 Dec 2015 16:09:41 +0100 switched from Isabelle2014 to Isabelle2015, intermediate state
Sun, 23 Jun 2013 21:16:07 +0200 migration from code_(const|type|class|instance) to code_printing and from code_module to code_identifier
Sat, 11 May 2013 16:13:08 +0200 avoid PolyML.makestring, even in dead code;
Sun, 22 Jul 2012 09:56:34 +0200 library theories for debugging and parallel computing using code generation towards Isabelle/ML