Sun, 27 May 2018 22:37:08 +0200 wenzelm retain isolated blob nodes (amending deb2fcbda16e): avoid failure of Session.handle_change with "Missing blob", when opening theory with load command later;
Sun, 27 May 2018 22:21:43 +0200 wenzelm clarified signature -- avoid confusion with Resources.is_hidden;
Sun, 27 May 2018 13:42:01 +0200 wenzelm markup for deleted fragments of token source (NB: quoted tokens transform "\123" implicitly);
Sat, 26 May 2018 22:12:18 +0100 paulson merged
Sat, 26 May 2018 22:11:55 +0100 paulson tidying and reorganisation around Cauchy Integral Theorem
Sat, 26 May 2018 22:02:25 +0200 wenzelm export sort algebra;
Sat, 26 May 2018 21:24:07 +0200 wenzelm tuned;
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