lib/scripts/getfunctions
2018-12-05 wenzelm more robust: "gtar" is default name in Homebrew;
2018-11-29 wenzelm clarified "hidden" terminology;
2018-11-24 wenzelm more shell functions;
2018-11-10 wenzelm support for user-defined Isabelle/Scala command-line tools;
2018-11-08 wenzelm always insist in specified resolver/compiler version;
2018-11-07 wenzelm more general support for Isabelle/PIDE file formats -- less hardwired Bibtex operations;
2018-10-17 wenzelm more portable;
2018-10-17 wenzelm tuned;
2018-10-17 wenzelm isabelle_stack as portable shell function;
2018-10-08 wenzelm isabelle_opam as portable shell function;
2017-09-15 wenzelm avoid local shell variables intruding the resulting environment (via "set -o allexport" in getsettings);
2016-10-02 wenzelm updated according to 85c83757788c;
2016-03-13 wenzelm prefer Scala over bash function;
2016-02-25 wenzelm slightly more robust re-initialization;
2016-02-25 wenzelm within the Isabelle environment, main executables are always within PATH;
2016-02-25 wenzelm avoid global state change;
2016-02-25 wenzelm more robust treatment of shell functions: dynamic_env recreates lost definitions on demand, e.g. after going through aggressive versions of /bin/sh -> dash;
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