Checklist for official releases

 ===============================

 - test polyml-5.4.0, polyml-5.3.0, polyml-5.2.1, smlnj;

 - test Proof General 4.1, 4.0, 3.7.1.1;

 - test Scala wrapper;

 - check HTML header of library;

 - check CTRL-C, SIGINT in tty (also for external processes);

 - check persistent sessions with PG and Poly/ML 5.x;

 - Admin/update-keywords;

 - check ANNOUNCE, README, NEWS, COPYRIGHT, CONTRIBUTORS;

 - check Admin/contributed_components;

 - check funny base directory, e.g. "Test 中国";

 - diff NEWS wrt. last official release, which is read-only;

 - update https://isabelle.in.tum.de/repos/website;

 - maintain Docs:

     doc-src/Dirs

     doc/Contents

 - maintain Logics:

     build

     etc/components

     lib/html/library_index_content.template

 Packaging

 =========

 - makedist -r DISTNAME

 - makebin (multiplatform);

 - makebin -l on fast machine;

 - makebundle (multiplatform);

 - hdiutil create -srcfolder DIR DMG (Mac OS);

 Final release stage

 ===================

 - makedist: REPOS_NAME="isabelle-release"

 - hgrc: default = /home/isabelle-repository/repos/isabelle-release

   isatest@macbroy28:hg-isabelle/.hg/hgrc

   isatest@atbroy102:hg-isabelle/.hg/hgrc

 - isatest@macbroy28:devel-page/content/index.content