isabelle: Changelog

wenzelm [Sat, 12 Nov 2011 21:10:56 +0100] rev 45477

tuned proofs;

wenzelm [Sat, 12 Nov 2011 20:14:09 +0100] rev 45476

merged

huffman [Sat, 12 Nov 2011 13:01:56 +0100] rev 45475

removed some old-style semicolons

wenzelm [Sat, 12 Nov 2011 19:44:56 +0100] rev 45474

index markup elements for more efficient cumulate/select operations;

wenzelm [Sat, 12 Nov 2011 18:56:49 +0100] rev 45473

tuned;

wenzelm [Sat, 12 Nov 2011 18:05:31 +0100] rev 45472

tuned markup -- prefer user-perspective;

wenzelm [Sat, 12 Nov 2011 17:53:48 +0100] rev 45471

tuned specifications and proofs;

wenzelm [Sat, 12 Nov 2011 17:52:28 +0100] rev 45470

more precise type;

wenzelm [Sat, 12 Nov 2011 17:01:58 +0100] rev 45469

refined Markup_Tree implementation: stacked markup within each entry; tuned;

wenzelm [Sat, 12 Nov 2011 12:21:42 +0100] rev 45468

tuned signature; express select in terms of cumulate;

isabelle