Didn’t we agree that a “backward compatibility mode” declaration (restoring the former behaviour) would have to be available? That should make repairing legacy proofs trivial. Naturally we would like to gradually port some of these developments to do things the new way, but only some of them, and not immediately.
Backward compatibility will be necessary for users, even if not for us. Larry On 4 Jun 2014, at 06:27, Thomas Sewell <thomas.sew...@nicta.com.au> wrote: > I had hoped to have the change I was making to hypothesis-substitution ready > for the coming release. > > I've got it working for all of HOL and the library, and begun looking at the > AFP and at the l4.verified proofs. The HOL+library changes were easy enough, > but the l4.verified changes are somewhat daunting and I haven't gotten > anywhere with the AFP yet. > > I'll have another look at it, because I'd like this to go somewhere at some > point. It might have to wait for a subsequent release though. > > Cheers, > Thomas. > > On 30/05/14 21:30, Makarius wrote: >> The summer is getting close, and we need to start thinking about the coming >> release. >> >> I am myself on vacation during most of June. On return I would like to wrap >> up rather quickly, so that we can publish Isabelle2014-RC0 in the second >> week of July, for the Isabelle tutorial at VSL2014 Vienna. That will be >> still within the main Isabelle repository. >> >> The usual fork to the release repository and the regular sequence of >> Isabelle2014-RC1, RC2, RC3, ... will happen in the week after ITP 2014. >> >> I am myself attending the mega event at Vienna 13..19-Jul-2014. This will be >> also an opportunity to show me personally remaining snags, and to continue >> the elimination of remaining uses of Proof General. (It is getting harder >> and harder to construct counter-examples to the claim that this set is >> already empty.) >> >> >> Makarius >> _______________________________________________ >> isabelle-dev mailing list >> isabelle-...@in.tum.de >> https://mailmanbroy.informatik.tu-muenchen.de/mailman/listinfo/isabelle-dev > > _______________________________________________ > isabelle-dev mailing list > isabelle-...@in.tum.de > https://mailmanbroy.informatik.tu-muenchen.de/mailman/listinfo/isabelle-dev _______________________________________________ isabelle-dev mailing list isabelle-...@in.tum.de https://mailmanbroy.informatik.tu-muenchen.de/mailman/listinfo/isabelle-dev