2014-08-05 wenzelm tuned proofs -- fewer warnings;
2014-08-05 wenzelm clarified Element.init vs. Element.init' -- the latter also avoids redundant warnings due to declatations when preparing locale expressions / interpretations;
2014-08-05 wenzelm avoid duplication of warnings stemming from simp/intro declarations etc.;
2014-08-05 wenzelm tuned proofs;
2014-08-05 wenzelm restrict edit_command (for sendback) to current node -- no attempt to goto target buffer first, which might not be loaded;
2014-08-05 wenzelm tuned;
2014-08-05 wenzelm more careful treatment of context visibility for rule declarations (see also 39d9c7f175e0, e639d91d9073) -- avoid duplicate warnings;
2014-08-05 wenzelm refined context visibility again (amending f5f9fad3321c, 8e3e004f1c31): avoid spurious warning due to global config options;
2014-08-04 wenzelm even more thorough reset on mouse drag (see also 0c63f3538639, 7e8c11011fdf);
2014-08-04 wenzelm tuned;
2014-08-04 wenzelm tuned;
2014-08-04 wenzelm Added tag Isabelle2014-RC2 for changeset ee908fccabc2
2014-08-04 wenzelm more user aliases;
2014-08-04 noschinl registered Haskabelle-2014
2014-08-01 Lars Noschinski tuned, so codegen runs with current isabelle again
2014-08-03 wenzelm tuned whitespace;
2014-08-03 wenzelm more robust popup geometry vs. formatted margin;
2014-08-03 wenzelm tuned message;
2014-08-02 wenzelm updated URL;
2014-08-02 wenzelm tuned;
2014-08-02 wenzelm updated URL;
2014-08-02 wenzelm more emphatic warning via error_message (violating historic TTY protocol);
2014-08-02 wenzelm proper priority for error over warning also for node_status (see 9c5220e05e04);
2014-08-02 wenzelm more direct access to persistent blobs (see also 8953d4cc060a), avoiding fragile digest lookup from later version (which might have removed unused blobs already);
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