etc/symbols
Mon, 08 Mar 2021 09:11:09 +0100 \----- start update Isabelle2020 --> Isabelle2021
Wed, 23 Sep 2020 15:18:07 +0200 \----- start update Isabelle2019 --> Isabelle2020
Tue, 03 Sep 2019 16:10:31 +0200 \----- start update Isabelle2018 --> Isabelle2019
Wed, 22 Aug 2018 14:44:15 +0200 \----- start update Isabelle2017 --> Isabelle2018
Fri, 19 Jan 2018 12:49:17 +0100 \----- start update Isabelle2015 --> Isabelle2017
Sat, 05 Dec 2015 16:09:41 +0100 switched from Isabelle2014 to Isabelle2015, intermediate state
Sat, 24 May 2014 12:58:22 +0200 receovered alternative abbrevs for \<open> \<close> from 8e8243975860, to accommodate national keyboard layouts where "`" might be hard to produce;
Tue, 15 Apr 2014 19:11:34 +0200 clarified abbreviations for cartouche delimiters, to work in any context;
Sun, 06 Apr 2014 19:16:34 +0200 removed abbrev "<-" again (see c771f0fe28d1) due to conflict with important "<->" and "<-->";
Thu, 03 Apr 2014 15:40:31 +0200 more symbol abbrevs, e.g. relevant for list comprehension in HOL/List.thy or HOL/Library/Monad_Syntax.thy;
Thu, 27 Feb 2014 17:24:16 +0100 more symbol abbrevs to support HOL library maintenance;
Mon, 17 Feb 2014 21:37:41 +0100 always show PIDE positions as \<here> (0x002302 "House" from DejaVuSansMono);
Sun, 19 Jan 2014 20:39:48 +0100 group symbols;
Sat, 18 Jan 2014 19:15:12 +0100 support for nested text cartouches;
Wed, 15 Jan 2014 23:25:28 +0100 added \<newline> symbol, which is used for char/string literals in HOL;
Sat, 31 Aug 2013 13:20:18 +0200 uniform abbrevs for left/right arrows;
Sat, 31 Aug 2013 13:05:04 +0200 more abbrevs according to Isabelle/HOL ASCII replacement syntax;
Sat, 31 Aug 2013 12:53:39 +0200 added common alternative for == (its ambiguity also avoids conflict with ==>);
Fri, 30 Aug 2013 12:46:32 +0200 single-letter abbrev does not make sense -- too many candidates;
Fri, 30 Aug 2013 12:33:16 +0200 fewer conflicts -- adhoc resolution of == vs. ==> via unicode (!) image;
Fri, 30 Aug 2013 12:24:15 +0200 more symbol abbrevs;
Fri, 30 Aug 2013 12:10:34 +0200 misc tuning -- reduce conflicts;
Fri, 30 Aug 2013 11:41:43 +0200 more symbol abbrevs, based on ProofGeneral-4.2/isar/isar-unicode-tokens.el and traditional Isabelle/HOL ASCII replacement syntax;
Wed, 28 Aug 2013 22:25:14 +0200 complete symbols only in backslash forms -- less intrusive editing, greater chance of finding escape sequence in text;
Sun, 25 Aug 2013 20:57:09 +0200 discontinued rendering of obsolete \<onesuperior>, \<twosuperior>, \<threesuperior>;
Sun, 18 Aug 2013 15:33:26 +0200 discontinued redundant abbreviations -- Isabelle/jEdit provides keyboard shortcuts already;
Tue, 13 Aug 2013 20:34:46 +0200 discontinued special treatment of \<^isub> and \<^isup> in rendering or editor front-end;
Sat, 24 Nov 2012 18:34:47 +0100 more robust font for control symbols, to ensure these obscure codepoints are properly rendered;
Sat, 24 Nov 2012 18:32:05 +0100 tuned symbol groups;
Sat, 24 Nov 2012 16:59:07 +0100 tuned symbol groups;
Wed, 21 Nov 2012 20:50:34 +0100 clarified symbol groups, despite this traditional arrangement in X-symbol grid;
Tue, 20 Nov 2012 22:53:59 +0100 some grouping of Isabelle symbols, based on X-Symbol grid in PG-3.7.1.1 and a proposal by Fabian Immler;
Fri, 03 Aug 2012 19:08:15 +0200 prefer calligrapic \<RR> \<II> over \<Re> \<Im> for "screen" display (NB: official unicode defines only one version of these glyphs, unlike TeX);
Sat, 14 Jan 2012 16:25:54 +0100 discontinued default rendering for Oheimb's double-space;
Tue, 21 Jun 2011 22:40:30 +0200 some arrow symbols from DejaVuSansMono for bsub/esub/bsup/esup;
Mon, 20 Jun 2011 23:25:39 +0200 removed obsolete font specification;
Sun, 19 Jun 2011 21:47:14 +0200 abbreviations for special control symbols;
Sun, 19 Jun 2011 14:11:06 +0200 some unicode chars for special control symbols;
Wed, 06 Apr 2011 12:55:53 +0200 more symbol abbrevs;
Mon, 08 Nov 2010 20:55:27 +0100 avoid clash of \<upharpoonright> vs. \<restriction> (cf. 666ea7e62384 and 3c49dbece0a8);
Mon, 31 May 2010 10:24:21 +0200 tuned abbrevs for long arrows, according to usual ASCII syntax;
Thu, 29 Oct 2009 11:26:47 +0100 removed slightly exotic symbol abbreviations for now -- achieves a coherent (unique) mapping;
Fri, 23 Oct 2009 09:20:22 +1100 Fix a duplicate abbreviation || in etc/symbols.
Fri, 26 Jun 2009 20:54:15 +0200 tuned abbrevs;
Tue, 23 Jun 2009 21:00:18 +0200 fixed abbrev !! for \<And>;
Sat, 20 Dec 2008 11:55:34 +0100 removed Ids;
Sun, 24 Aug 2008 14:24:03 +0200 activated \<A>, \<a>, \<AA>, \<aa>;
Sat, 16 Aug 2008 13:31:56 +0200 tuned abbrevs;
Fri, 15 Aug 2008 18:25:41 +0200 added some abbrevs;
Fri, 15 Aug 2008 18:03:30 +0200 removed redundant "symbol" property;
Fri, 15 Aug 2008 17:19:32 +0200 Default interpretation of some Isabelle symbols.