Fri, 30 Mar 2012 15:25:47 +0200 wenzelm "invariant" is free in main HOL (cf. 56adbf5bcc82, e64ffc96a49f);
Fri, 30 Mar 2012 13:12:02 +0200 wenzelm more robust ISABELLE_JDK_HOME settings, based on exisiting JAVA_HOME provided by isatest shell environment (which depends a lot on the host);
Fri, 30 Mar 2012 11:48:24 +0200 wenzelm more explicit isatest environment settings (from private .bashrc);
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