isabelle: Changelog

blanchet [Mon, 30 Oct 2017 21:52:31 +0100] rev 66952

added 'mlex_iff' lemma and simplified proof

wenzelm [Mon, 30 Oct 2017 20:27:25 +0100] rev 66951

merged

wenzelm [Mon, 30 Oct 2017 20:26:19 +0100] rev 66950

recovered document from 9bfb6978eb80;

wenzelm [Mon, 30 Oct 2017 20:12:10 +0100] rev 66949

NEWS;

wenzelm [Mon, 30 Oct 2017 20:10:07 +0100] rev 66948

obsolete;

wenzelm [Mon, 30 Oct 2017 20:09:24 +0100] rev 66947

tuned;

wenzelm [Mon, 30 Oct 2017 20:04:10 +0100] rev 66946

ROOT cleanup: empty 'document_files' means there is no document;

wenzelm [Mon, 30 Oct 2017 19:36:27 +0100] rev 66945

eliminated pointless warning (see a35af478aee4): empty 'document_files' means there is no document;

wenzelm [Mon, 30 Oct 2017 19:19:24 +0100] rev 66944

more informative timeout message, notably for build_status;

wenzelm [Mon, 30 Oct 2017 18:39:30 +0100] rev 66943

clarified: adapted to ML version;

isabelle