Summary
- NEWS;
- more accurate _listFiles -- avoid infinite infinite expansion of e.g. "$ISABELLE_HOME";
- merged
- removed left-over test material (amending bb0a354f6b46);
- updated to polyml-test-1236652ebd55;
- added option jedit_text_overview for visual appearance (not performance, see also 72216713733a);
- adapted to a8ee66876a1a;
- show file-browser favorites more prominently: access to Isabelle resources;
- tuned -- sort lines;
- tuned default layout;
- clarified default layout: global overview left, local document information right;
- prefer tail-recursive version (despite 4b99b1214034);
- proper congruence rule for image operator
- less special syntax: make \<Sum> an ordinary function symbol