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;- 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.templatePackaging=========- makedist -r DISTNAME- makebin (multiplatform);- makebin -l on fast machine;- makebundle (multiplatform);- hdiutil create -srcfolder DIR DMG (Mac OS);