etc/symbols
2020-09-29 wenzelm allow Scala function execution on separate thread: better reactivity, but potential overloading of the JVM;
2020-05-27 wenzelm check bash functions against Isabelle settings environment;
2020-05-25 wenzelm antiquotations for Scala entities;
2020-05-24 wenzelm proper check of registered Scala functions;
2019-08-17 wenzelm added ML antiquotation @{oracle_name};
2019-07-17 wenzelm added \<llangle>, \<rrangle>;
2019-07-17 wenzelm added \<bbar>;
2019-07-17 wenzelm added \<sqdot>;
2019-04-28 wenzelm completion for \<^const>, although it often requires an extra argument;
2019-03-30 wenzelm clarified signature: more explicit type Path.binding;
2019-03-10 wenzelm document markers are formal comments, and may thus occur anywhere in the command-span;
2019-03-09 wenzelm added glyph for \<marker>;
2018-11-28 wenzelm clarified symbol groups;
2018-11-24 wenzelm use "Isabelle DejaVu" fonts uniformly: Text Area, GUI elements, HTML output etc.;
2018-01-19 wenzelm support for completion;
2018-01-14 wenzelm support for completion;
2018-01-13 wenzelm added glyph from "Deja Vu Sans Mono" font;
2018-01-13 wenzelm added \<^cancel> operator for unused text;
2018-01-01 wenzelm more completion templates;
2017-12-30 wenzelm more robust hyphen (see also "Soft hyphen (SHY) – a hard problem?" http://jkorpela.fi/shy.html);
2016-12-13 wenzelm more symbols;
2016-08-30 wenzelm added glyph from "Deja Vu Sans Mono" font;
2016-08-12 wenzelm some icons from Symbola font;
2016-02-27 wenzelm symbol interpretation for \<circle>;
2016-02-04 wenzelm clarified;
2016-01-24 wenzelm discontinued irregular abbrevs: ".o" counts as word, "+o", "*o", "-o" are occasionally used as ASCII notation, "*o" is in conflict with "(*o" in comments;
2016-01-09 wenzelm \<struct> loses its rendering and is superseded by \<diamondop>;
2016-01-01 wenzelm clarified abbrev;
2016-01-01 wenzelm clarified groups, notably for Symbols dockable;
2016-01-01 wenzelm glyphs for \<bind>, \<then>;
2015-12-29 wenzelm simplified abbrevs: exploit ambiguity;
2015-12-29 wenzelm more arrow symbols;
2015-12-29 wenzelm more arrow symbols;
2015-11-12 wenzelm support short form for \<^theory_text>;
2015-11-07 wenzelm added @{undefined} with somewhat undefined symbol;
2015-11-06 wenzelm retain traditional rendering of \<paragraph>;
2015-11-05 wenzelm IsabelleText for unusual symbol;
2015-11-04 wenzelm symbolic syntax "\<comment> text";
2015-11-04 wenzelm document antiquotation @{footnote};
2015-10-21 wenzelm rendering for \<^verbatim>;
2015-10-18 wenzelm clarified control antiquotations: decode control symbol to get name;
2015-10-15 wenzelm unused -- avoid confusion in Symbols dockable;
2015-10-14 wenzelm clarified control symbols;
2015-10-12 wenzelm some control symbols for markup and formatting;
2015-04-08 wenzelm added symbol for \<hole> (from DejaVuSansMono and DejaVuSansMono-Bold version 2.34);
2014-05-24 wenzelm receovered alternative abbrevs for \<open> \<close> from 8e8243975860, to accommodate national keyboard layouts where "`" might be hard to produce;
2014-04-15 wenzelm clarified abbreviations for cartouche delimiters, to work in any context;
2014-04-06 wenzelm removed abbrev "<-" again (see c771f0fe28d1) due to conflict with important "<->" and "<-->";
2014-04-03 wenzelm more symbol abbrevs, e.g. relevant for list comprehension in HOL/List.thy or HOL/Library/Monad_Syntax.thy;
2014-02-27 wenzelm more symbol abbrevs to support HOL library maintenance;
2014-02-17 wenzelm always show PIDE positions as \<here> (0x002302 "House" from DejaVuSansMono);
2014-01-19 wenzelm group symbols;
2014-01-18 wenzelm support for nested text cartouches;
2014-01-15 wenzelm added \<newline> symbol, which is used for char/string literals in HOL;
2013-08-31 wenzelm uniform abbrevs for left/right arrows;
2013-08-31 wenzelm more abbrevs according to Isabelle/HOL ASCII replacement syntax;
2013-08-31 wenzelm added common alternative for == (its ambiguity also avoids conflict with ==>);
2013-08-30 wenzelm single-letter abbrev does not make sense -- too many candidates;
2013-08-30 wenzelm fewer conflicts -- adhoc resolution of == vs. ==> via unicode (!) image;
2013-08-30 wenzelm more symbol abbrevs;
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