2015-09-10 ago less ambitious options, to accomodate 4GB systems;
2015-09-08 ago clarified Java runtime options (NB: ISABELLE_JAVA_PLATFORM is determined later via component);
2015-09-08 ago clarified ISABELLE_BUILD_JAVA_OPTIONS;
2015-08-26 ago use fancy options of Java 8;
2015-04-24 ago more paranoia settings, e.g. relevant for Ubuntu 15.04;
2015-02-23 ago more uniform headless mode for all derivatives of "build" (amending df5dc24ca712);
2014-12-11 ago added Par_List in Scala, in accordance to ML version;
2014-10-09 ago prefer Unix standard-conformant $TMPDIR over hard-wired /tmp;
2014-07-01 ago more release notes;
2014-06-30 ago tuned comments;
2014-06-30 ago "isabelle tty" is superseded by "isabelle console";
2014-04-23 ago tuned options for scalac;
2014-04-22 ago updated to scala-2.11.0 with classpath provided by its etc/settings;
2014-04-22 ago no need to copy jars, after regular use of classpath in 793a429c63e7;
2014-04-05 ago proper settings instead of hard-wired information;
2014-01-06 ago misc tuning and clarification;
2014-01-06 ago tuned comments;
2013-12-06 ago generic $ISABELLE_OPEN;
2013-12-06 ago clarified "isabelle display" and 'display_drafts': re-use file and program instance, open asynchronously via desktop environment;
2013-10-07 ago prefer "fresh" open -- requires Lion / Mountain Lion;
2013-10-02 ago unset XMODIFIERS by default, in order to prevent total loss of key events seen on Fedora 18/19;
2013-09-12 ago clarified directory structure;
2013-09-12 ago maintain classpath in more elementary manner: turn ISABELLE_CLASSPATH into -classpath option, so that all jars are covered by sun.misc.Launcher.AppClassLoader (e.g. relevant for loading add-on resources);
2013-08-31 ago provide ISABELLE_JAVA_SYSTEM_OPTIONS via settings;
2013-07-30 ago tuned comments;
2013-07-27 ago discontinued historic document formats;
2013-07-27 ago discontinued ISABELLE_DOC_FORMAT;
2013-07-07 ago discontinued obsolete "isabelle print";
2013-06-25 ago prefer Safari for viewing PDF files, which appears to be better behaved than Preview concerning re-opening recent files (Mountain Lion);
2013-05-17 ago discontinued obsolete isabelle usedir, mkdir, make;
2013-05-14 ago more generous java resources via ISABELLE_BUILD_JAVA_OPTIONS;
2013-05-12 ago decentralized historic settings;
2013-03-09 ago accomodate encrypted file-system on linux;
2012-11-25 ago eval PDF_VIEWER/DVI_VIEWER command line, which allows additional quotes for program name, for example;
2012-08-29 ago provide polyml-5.4.1 as regular component;
2012-08-17 ago added "isabelle components" tool;
2012-07-28 ago discontinued special treatment of Proof General;
2012-07-27 ago proper shell variable;
2012-07-24 ago further imitation of ISABELLE_USEDIR_OPTIONS via options;
2012-07-23 ago tuned;
2012-07-23 ago updated smlnj settings;
2012-07-06 ago discontinued odd XSYMBOL_INSTALLFONTS, which is private to PG-3.7.x ( no longer exists);
2012-07-05 ago slightly modernized ISABELLE_GHC etc. -- /usr/bin is more likely to provide it by default (notably on macbroy2[0-9] and lxbroy*);
2012-04-25 ago smarter PDF_VIEWER defaults, based on hints by Lars Noschinski;
2012-04-24 ago prefer evince over old xpdf -- NB: x86-cygwin bundles its own application;
2012-04-22 ago USER_HOME settings variable points to cross-platform user home directory;
2012-04-01 ago removed old HOL4 import -- corresponding exporter is lost, code is broken, no users known, maintenance nightmare
2012-03-28 ago clarified ISABELLE_JDK_HOME: derive from running JVM, but ignore accidental JAVA_HOME;
2012-03-28 ago updated comments;
2012-03-24 ago ISABELLE_JDK_HOME settings variable points to JDK with javac and jar (not just JRE);
2012-03-18 ago less noisy Isabelle/Scala build process;
2012-01-11 ago more robust ISABELLE_HOME_USER for repository versions -- some versions of Emacs interpret foo//bar as /bar even on the command-line (unlike regular POSIX semantics);
2011-10-15 ago updated to polyml-5.4.1;
2011-09-18 ago discontinued hard-wired JAVA_HOME treatment for Mac OS X (cf. f471a2fb9a95), which can cause confusions of "isabelle java" vs. "isabelle scala" -- moved settings to external component;
2011-09-17 ago specific bundle for x86_64-linux, which is especially important for JRE due to its extra library dependencies;
2011-06-23 ago provide Isabelle/Scala environment as Java extension, instead of user classpath
2011-06-22 ago clarified default ML settings;
2011-06-20 ago simplified/generalized ISABELLE_FONTS handling;
2011-03-14 ago example settings for ISABELLE_GHC, ISABELLE_OCAML, ISABELLE_SWIPL;
2011-03-13 ago files are identified via SHA1 digests -- discontinued ISABELLE_FILE_IDENT;