2010-08-18 haftmann 2010-08-18 deglobalization
2009-01-21 haftmann 2009-01-21 dropped ID
2008-03-29 wenzelm 2008-03-29 replaced 'ML_setup' by 'ML';
2008-03-01 wenzelm 2008-03-01 tuned ML code, more antiquotations;
2008-03-01 wenzelm 2008-03-01 misc cleanup of embedded ML code; use more antiquotations; tuned;
2008-02-11 krauss 2008-02-11 Made theory names in ZF disjoint from HOL theory names to allow loading both developments in a single session (but not merge them).