2009-09-29 wenzelm 2009-09-29 explicit indication of Unsynchronized.ref;
2009-08-07 wenzelm 2009-08-07 tuned spacing of sections; reduced line length;
2009-07-30 wenzelm 2009-07-30 qualified Subgoal.FOCUS;
2009-07-26 wenzelm 2009-07-26 replaced old METAHYPS by FOCUS;
2009-07-21 wenzelm 2009-07-21 proper context for Display.pretty_thm etc. or old-style versions Display.pretty_thm_global, Display.pretty_thm_without_context etc.;
2009-07-02 wenzelm 2009-07-02 renamed NamedThmsFun to Named_Thms; simplified/unified names of instances of Named_Thms;
2009-06-19 haftmann 2009-06-19 discontinued ancient tradition to suffix certain ML module names with "_package"