Tue, 13 Jul 2010 11:01:12 +0100 kleing merged
Tue, 13 Jul 2010 11:00:20 +0100 kleing new settings for afp test
Tue, 13 Jul 2010 12:00:11 +0200 krauss Heap_Monad uses Monad_Syntax
Tue, 13 Jul 2010 11:50:22 +0200 krauss State_Monad uses Monad_Syntax
Tue, 13 Jul 2010 00:15:37 +0200 krauss uniform do notation for monads
Tue, 13 Jul 2010 00:15:37 +0200 krauss generic ad-hoc overloading via check/uncheck
Tue, 13 Jul 2010 11:38:04 +0200 haftmann corrected title
Tue, 13 Jul 2010 11:38:03 +0200 haftmann theorem collections do not contain default rules any longer
Tue, 13 Jul 2010 02:29:05 +0200 boehmes fixed handling of Ball/Bex: turn equalities into meta-equalities for the rewriting conversions;
Mon, 12 Jul 2010 22:35:41 +0200 wenzelm removed unused/untested IOA 'automaton' package;
Mon, 12 Jul 2010 22:17:31 +0200 wenzelm removed impractical tolerate_legacy_features flag;
Mon, 12 Jul 2010 22:14:11 +0200 wenzelm tuned comment;
Mon, 12 Jul 2010 22:07:36 +0200 wenzelm removed legacy aliases;
Mon, 12 Jul 2010 21:38:37 +0200 wenzelm moved misc legacy stuff from OldGoals to Misc_Legacy;
Mon, 12 Jul 2010 21:12:18 +0200 wenzelm eliminated OldGoals.strip_context;
Mon, 12 Jul 2010 20:35:10 +0200 wenzelm removed old HOL/HOLCF-Modelcheck setup, which has been unused/untested for many years;
Mon, 12 Jul 2010 20:21:39 +0200 wenzelm do not intercept ML exceptions -- printing exception positions/text is the job of the Isar/ML toplevel;
Mon, 12 Jul 2010 18:59:38 +0200 wenzelm some modernization of really ancient Meson experiments;
Mon, 12 Jul 2010 16:40:48 +0200 haftmann dropped empty theory
Mon, 12 Jul 2010 16:38:20 +0200 haftmann moved auxiliary lemma
Mon, 12 Jul 2010 16:26:48 +0200 haftmann dropped unused lemmas of dubious value
Mon, 12 Jul 2010 16:23:30 +0200 haftmann dropped unused lemmas of dubious value
Mon, 12 Jul 2010 16:19:15 +0200 haftmann split off mrec into separate theory
Mon, 12 Jul 2010 16:05:08 +0200 haftmann spelt out relational framework in a consistent way
Mon, 12 Jul 2010 11:39:27 +0200 haftmann avoid explicit mandatory prefix markers when prefixes are mandatory implicitly
Mon, 12 Jul 2010 11:21:56 +0200 haftmann merged
Mon, 12 Jul 2010 11:21:27 +0200 haftmann moved co-regularity to class section; avoid duplicated class_deps
Mon, 12 Jul 2010 10:48:37 +0200 haftmann dropped superfluous [code del]s
Mon, 12 Jul 2010 08:58:27 +0200 haftmann merged
Mon, 12 Jul 2010 08:58:13 +0200 haftmann dropped superfluous [code del]s
Mon, 12 Jul 2010 08:58:12 +0200 haftmann more regular session structure
Sat, 10 Jul 2010 22:39:16 +0200 wenzelm regular image setup for HOL-Library (cf. 4915de09b4d3 and ccae4ecd67f4) -- note that document preparation requires a separate session directory, and library.ML is a bit too generic as a file in the default load path;
Sat, 10 Jul 2010 21:38:16 +0200 wenzelm merged
Fri, 09 Jul 2010 16:44:05 +0100 kleing Added current crontab of macbroy28
Fri, 09 Jul 2010 17:15:03 +0200 krauss moved example to its own file in HOL/ex
Fri, 09 Jul 2010 17:00:42 +0200 haftmann merged
Fri, 09 Jul 2010 16:58:44 +0200 haftmann pervasive success combinator
Fri, 09 Jul 2010 16:32:25 +0200 krauss added "while_option", which needs no well-foundedness; defined "while" in terms of "while_option"
Fri, 09 Jul 2010 10:08:10 +0200 haftmann avoid slightly odd "M" suffix; rename mapM to fold_map (fold_map_abort would be more correct, though)
Fri, 09 Jul 2010 09:48:54 +0200 haftmann adapted to changes
Fri, 09 Jul 2010 09:48:53 +0200 haftmann guard combinator
Fri, 09 Jul 2010 09:48:53 +0200 haftmann tuned reference theory
Fri, 09 Jul 2010 09:48:52 +0200 haftmann tuned array theory
Fri, 09 Jul 2010 08:11:10 +0200 haftmann nicer xsymbol syntax for fcomp and scomp
Thu, 08 Jul 2010 17:23:05 +0200 haftmann dropped ancient in-place compilation of SML; more tests
Thu, 08 Jul 2010 16:48:33 +0200 haftmann updated documentation
Thu, 08 Jul 2010 16:41:57 +0200 haftmann dropped ancient in-place compilation of SML
Thu, 08 Jul 2010 16:28:18 +0200 haftmann more accurate dependencies
Thu, 08 Jul 2010 16:20:03 +0200 haftmann empty default
Thu, 08 Jul 2010 16:19:24 +0200 haftmann checking generated code for various target languages
Thu, 08 Jul 2010 16:19:24 +0200 haftmann tuned titles
Thu, 08 Jul 2010 16:19:23 +0200 haftmann tuned module names
Thu, 08 Jul 2010 16:17:44 +0200 haftmann tuned tabs
Thu, 08 Jul 2010 16:17:44 +0200 haftmann tuned script
Thu, 08 Jul 2010 09:36:23 +0200 haftmann combinator with_tmp_dir
Thu, 08 Jul 2010 09:36:22 +0200 haftmann rm_tree: remove entire file system trees
Wed, 07 Jul 2010 18:17:23 +0200 berghofe Boxes may now have different widths.
Wed, 07 Jul 2010 09:26:54 +0200 hoelzl tuned
Wed, 07 Jul 2010 08:25:23 +0200 bulwahn replaced manual derivation of equations for inductive predicates by automatic derivation by inductive_simps
Wed, 07 Jul 2010 08:25:22 +0200 bulwahn added NEWS entry
Wed, 07 Jul 2010 08:25:21 +0200 bulwahn added the new command inductive_cases to derive simplification equations for inductive predicates; added binding simps for general simplification equation
Tue, 06 Jul 2010 08:08:35 -0700 huffman merged
Mon, 05 Jul 2010 09:14:51 -0700 huffman generalize type of is_interval to class euclidean_space
Mon, 05 Jul 2010 09:12:35 -0700 huffman section -> subsection
Sun, 04 Jul 2010 09:26:30 -0700 huffman generalize some lemmas about derivatives
Sun, 04 Jul 2010 09:25:17 -0700 huffman uniqueness of Frechet derivative
Tue, 06 Jul 2010 21:33:14 +0200 wenzelm implode pseudo utf8, i.e. decode byte-stuffed low ASCII characters;
Tue, 06 Jul 2010 10:02:24 +0200 wenzelm merged
Tue, 06 Jul 2010 09:27:49 +0200 haftmann even more fun with primrec
Tue, 06 Jul 2010 09:21:15 +0200 haftmann refactored reference operations
Tue, 06 Jul 2010 09:21:13 +0200 haftmann tuned
Tue, 06 Jul 2010 09:21:13 +0200 haftmann tuned empty heap
Mon, 05 Jul 2010 16:43:08 +0100 paulson merged
Mon, 05 Jul 2010 14:21:53 +0100 paulson merged
Mon, 05 Jul 2010 14:21:30 +0100 paulson Unification (flexflex) bug fix; making "auto" deterministic
Mon, 05 Jul 2010 16:46:23 +0200 haftmann moved "open" operations from Heap.thy to Array.thy and Ref.thy
Mon, 05 Jul 2010 15:36:37 +0200 haftmann only definite assignment
Mon, 05 Jul 2010 15:25:42 +0200 haftmann moved special operation array_ran here
Mon, 05 Jul 2010 15:25:42 +0200 haftmann remove primitive operation Heap.array in favour of Heap.array_of_list
Mon, 05 Jul 2010 15:12:20 +0200 haftmann tuned proof
Mon, 05 Jul 2010 15:12:20 +0200 haftmann tuned
Mon, 05 Jul 2010 23:07:36 +0200 wenzelm Outer_Syntax.prepare_command: disallow control commands here, and consequently in Isar documents;
Mon, 05 Jul 2010 22:26:20 +0200 wenzelm specific ML_val vs. ML_command;
Mon, 05 Jul 2010 20:36:39 +0200 wenzelm async_state: report within proper transaction context;
Mon, 05 Jul 2010 14:35:00 +0200 haftmann merged
Mon, 05 Jul 2010 14:34:28 +0200 haftmann simplified representation of monad type
Mon, 05 Jul 2010 11:25:06 +0200 wenzelm attempt to reconstruct missing HOL/Codegenerator_Test/ROOT.ML;
Mon, 05 Jul 2010 10:47:39 +0200 wenzelm merged
Mon, 05 Jul 2010 10:42:27 +0200 haftmann updated document
Mon, 05 Jul 2010 10:39:49 +0200 haftmann dropped passed irregular names
Sat, 03 Jul 2010 00:50:35 +0200 blanchet adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
Sat, 03 Jul 2010 00:49:12 +0200 blanchet remove needless signature entry
Fri, 02 Jul 2010 17:27:44 +0200 haftmann references to ghc and ocaml
Fri, 02 Jul 2010 17:27:44 +0200 haftmann explicit code_datatype declaration prevents multiple instantiations later on
Fri, 02 Jul 2010 16:50:53 +0200 haftmann refrain from using datatype declaration -- opens chance for quickcheck later on
Fri, 02 Jul 2010 16:50:52 +0200 haftmann tuned proof
Fri, 02 Jul 2010 16:20:56 +0200 haftmann reverted to verion from fc27be4c6b1c
Fri, 02 Jul 2010 16:15:49 +0200 haftmann traceback for error messages
Fri, 02 Jul 2010 16:10:59 +0200 haftmann accomodate for different behvaiour of nitpick (c.f. also 180e80b4eac1)
Fri, 02 Jul 2010 14:23:18 +0200 haftmann introduced distinct session HOL-Codegenerator_Test
Fri, 02 Jul 2010 14:23:17 +0200 haftmann tuned bootstrap files
Fri, 02 Jul 2010 14:23:17 +0200 haftmann remove codegeneration-related theories from big library theory
Fri, 02 Jul 2010 14:23:17 +0200 haftmann drop unconvenient code declarations
Fri, 02 Jul 2010 14:23:16 +0200 haftmann build image for session HOL-Library; introduced distinct session HOL-Codegenerator_Test
Sun, 04 Jul 2010 21:01:22 +0200 wenzelm general Future.report -- also for Toplevel.async_state;
Sun, 04 Jul 2010 00:05:32 +0200 wenzelm simplified Isabelle_Process.Result: use markup directly;
Sat, 03 Jul 2010 23:24:36 +0200 wenzelm run_command: actually observe "print" flag;
Sat, 03 Jul 2010 22:33:10 +0200 wenzelm Toplevel.run_command: asynchronous state output, as an attempt to address potentially slow pretty printing (e.g. in HOL/Bali);
Sat, 03 Jul 2010 20:36:30 +0200 wenzelm more precise timing;
Sat, 03 Jul 2010 20:20:13 +0200 wenzelm more efficient document model/view -- avoid repeated iteration over commands from start, prefer bulk operations;
Fri, 02 Jul 2010 21:48:54 +0200 wenzelm standard argument order;
Fri, 02 Jul 2010 21:41:06 +0200 wenzelm do not open auxiliary ML structures;
Fri, 02 Jul 2010 20:44:17 +0200 wenzelm tuned white space;
Fri, 02 Jul 2010 10:47:50 +0200 haftmann fixed spelling
Fri, 02 Jul 2010 10:45:25 +0200 haftmann merged
Thu, 01 Jul 2010 16:55:05 +0200 haftmann "prod" and "sum" replace "*" and "+" respectively; qualified constants Set.member and Set.Collect
Thu, 01 Jul 2010 16:54:44 +0200 haftmann "prod" and "sum" replace "*" and "+" respectively
Thu, 01 Jul 2010 16:54:42 +0200 haftmann qualified constants Set.member and Set.Collect
Thu, 01 Jul 2010 16:54:42 +0200 haftmann "prod" and "sum" replace "*" and "+" respectively; qualified constants Set.member and Set.Collect
Thu, 01 Jul 2010 15:40:58 -0700 huffman merged
Thu, 01 Jul 2010 15:40:38 -0700 huffman convert theorem path_connected_sphere to euclidean_space class
Thu, 01 Jul 2010 09:24:04 -0700 huffman generalize more lemmas from ordered_euclidean_space to euclidean_space
Thu, 01 Jul 2010 19:14:54 +0200 wenzelm avoid Old_Number_Theory;
Thu, 01 Jul 2010 18:31:46 +0200 wenzelm misc tuning and modernization;
Thu, 01 Jul 2010 14:32:57 +0200 haftmann merged
Thu, 01 Jul 2010 13:47:27 +0200 haftmann once more a try with mkdir_leaf
Thu, 01 Jul 2010 13:38:17 +0200 haftmann refined semantics of mkdir_leaf: do not fail if directory already exists
Thu, 01 Jul 2010 13:32:14 +0200 haftmann avoid bitstrings in generated code
Thu, 01 Jul 2010 10:57:19 +0200 hoelzl Updated NEWS
Thu, 01 Jul 2010 11:48:42 +0200 hoelzl Add theory for indicator function.
Thu, 01 Jul 2010 09:01:09 +0200 hoelzl Instantiate product type as euclidean space.
Thu, 01 Jul 2010 08:13:20 +0200 haftmann merged
Thu, 01 Jul 2010 08:12:55 +0200 haftmann repaired line ending
Thu, 01 Jul 2010 08:12:40 +0200 haftmann revert to plain for now mkdir
Wed, 30 Jun 2010 17:12:38 +0200 haftmann one unified Word theory
Wed, 30 Jun 2010 16:46:44 +0200 haftmann more speaking names
Wed, 30 Jun 2010 16:45:47 +0200 haftmann more speaking names
Wed, 30 Jun 2010 16:41:03 +0200 haftmann moved specific operations here
Wed, 30 Jun 2010 16:28:29 +0200 haftmann more speaking theory names
Wed, 30 Jun 2010 16:28:14 +0200 haftmann more speaking theory names
Wed, 30 Jun 2010 16:28:13 +0200 haftmann use existing bit type from theory Bit
Wed, 30 Jun 2010 16:28:13 +0200 haftmann split off Cardinality from Numeral_Type
Wed, 30 Jun 2010 16:28:13 +0200 haftmann added literal and typerep instances
Wed, 30 Jun 2010 12:20:45 +0200 haftmann mkdir_leaf -- avoiding surprises with typos in user-given paths
Wed, 30 Jun 2010 21:29:58 -0700 huffman generalize some lemmas about derivatives
Wed, 30 Jun 2010 21:13:46 -0700 huffman add lemma at_within_interior
Wed, 30 Jun 2010 19:00:15 -0700 huffman generalize more euclidean_space lemmas
Wed, 30 Jun 2010 11:51:35 -0700 huffman minimize dependencies on Numeral_Type
Wed, 30 Jun 2010 10:42:38 -0700 huffman change type of 'dimension' to 'a itself => nat
Wed, 30 Jun 2010 10:26:02 -0700 huffman generalize some euclidean_space lemmas
Wed, 30 Jun 2010 18:19:53 +0200 blanchet merged
Wed, 30 Jun 2010 18:03:34 +0200 blanchet rewrote the TPTP problem generation code more or less from scratch;
Tue, 29 Jun 2010 13:23:13 +0200 blanchet rename functions
Wed, 30 Jun 2010 11:39:10 +0200 haftmann merged
Wed, 30 Jun 2010 11:38:51 +0200 haftmann unfold_fun_n
Wed, 30 Jun 2010 11:38:51 +0200 haftmann pervasive tuning of code
Wed, 30 Jun 2010 11:38:51 +0200 haftmann explicit printing function for applify
Tue, 29 Jun 2010 22:59:29 +0200 wenzelm fail with low-level exception, not user error;
Tue, 29 Jun 2010 21:56:31 +0200 wenzelm eliminated some unused bindings;
Tue, 29 Jun 2010 21:46:47 +0200 wenzelm recovered some indentation from the depths of time;
Tue, 29 Jun 2010 17:03:59 +0100 Christian Urban cleaned by using descending instead of lifting
Tue, 29 Jun 2010 11:38:51 +0200 blanchet merged
Tue, 29 Jun 2010 11:29:31 +0200 blanchet move function
Tue, 29 Jun 2010 11:20:05 +0200 blanchet compile
Tue, 29 Jun 2010 11:14:52 +0200 blanchet compile
Tue, 29 Jun 2010 11:03:26 +0200 blanchet more elegant cheating
Tue, 29 Jun 2010 10:56:45 +0200 blanchet Sledgehammer can save some msecs by cheating
Tue, 29 Jun 2010 10:36:36 +0200 blanchet more precise error message for remote ATPs
Tue, 29 Jun 2010 10:25:53 +0200 blanchet move blacklisting completely out of the clausifier;
Tue, 29 Jun 2010 09:26:56 +0200 blanchet rename "skolem_somes" to "skolems", now that there's only one flavor of Skolems
Tue, 29 Jun 2010 09:19:16 +0200 blanchet move "nice names" from Metis to TPTP format
Tue, 29 Jun 2010 09:05:37 +0200 blanchet move functions not needed by Metis out of "Metis_Clauses"
Mon, 28 Jun 2010 18:47:07 +0200 blanchet no setup is necessary anymore
Mon, 28 Jun 2010 18:46:42 +0200 blanchet adapt call
Mon, 28 Jun 2010 18:15:40 +0200 blanchet remove obsolete component of CNF clause tuple (and reorder it)
Mon, 28 Jun 2010 18:08:36 +0200 blanchet killed "expand_defs_tac";
Mon, 28 Jun 2010 18:02:36 +0200 blanchet get rid of Skolem cache by performing CNF-conversion after fact selection
Mon, 28 Jun 2010 17:32:28 +0200 blanchet always perform "inline" skolemization, polymorphism or not, Skolem cache or not
Mon, 28 Jun 2010 17:31:38 +0200 blanchet always perform relevance filtering on original formulas
Tue, 29 Jun 2010 11:25:30 +0200 haftmann merged
Tue, 29 Jun 2010 11:25:25 +0200 haftmann split off predicate compiler into separate theory
Tue, 29 Jun 2010 11:25:04 +0200 haftmann split off predicate compiler into separate theory
Tue, 29 Jun 2010 11:25:04 +0200 haftmann adapted to reorganization of auxiliary list operations; split off predicate compiler into separate theory
Tue, 29 Jun 2010 11:25:03 +0200 haftmann adapted to change in interface
Tue, 29 Jun 2010 11:25:03 +0200 haftmann updated generated document
Tue, 29 Jun 2010 09:37:23 +0100 Christian Urban tuned
Tue, 29 Jun 2010 07:55:18 +0200 haftmann merged
Mon, 28 Jun 2010 15:32:27 +0200 haftmann tuned theory text
Mon, 28 Jun 2010 15:32:26 +0200 haftmann inner_simps is not enough, need also local facts
Mon, 28 Jun 2010 15:32:26 +0200 haftmann put section on distinctness before listsum; refined code generation operations; dropped ancient infix mem
Mon, 28 Jun 2010 15:32:25 +0200 haftmann explicit is better than implicit
Mon, 28 Jun 2010 15:32:25 +0200 haftmann avoid List.all
Mon, 28 Jun 2010 15:32:24 +0200 haftmann tuned whitespace
Mon, 28 Jun 2010 15:32:24 +0200 haftmann tuned lemma formulations
Mon, 28 Jun 2010 15:32:24 +0200 haftmann list_ex replaces list_exists
Mon, 28 Jun 2010 15:32:20 +0200 haftmann tuned syntax
Mon, 28 Jun 2010 15:32:17 +0200 haftmann explicit is better than implicit
Mon, 28 Jun 2010 15:32:13 +0200 haftmann modernized specifications
Mon, 28 Jun 2010 15:32:08 +0200 haftmann dropped ancient infix mem
Mon, 28 Jun 2010 15:32:06 +0200 haftmann dropped ancient infix mem; refined code generation operations in List.thy
Tue, 29 Jun 2010 02:18:08 +0100 Christian Urban cosmetics: avoided statement of raw theorems, used the method descending instead
Tue, 29 Jun 2010 01:38:29 +0100 Christian Urban separated the lifting and descending procedures in the quotient package
Mon, 28 Jun 2010 16:20:39 +0100 Christian Urban separation of translations in derive_qtrm / derive_rtrm (similarly for types)
Mon, 28 Jun 2010 15:03:07 +0200 haftmann merged constants "split" and "prod_case"
Mon, 28 Jun 2010 15:03:07 +0200 haftmann merged constants "split" and "prod_case" -- nitpick behaves differently
Mon, 28 Jun 2010 15:03:06 +0200 haftmann tuned whitespace
Mon, 28 Jun 2010 13:36:21 +0200 blanchet merged
Mon, 28 Jun 2010 11:04:02 +0200 blanchet compile
Mon, 28 Jun 2010 08:55:46 +0200 blanchet merged
Fri, 25 Jun 2010 23:35:14 +0200 blanchet multiplexing
Fri, 25 Jun 2010 18:34:06 +0200 blanchet factor out thread creation
Fri, 25 Jun 2010 18:05:36 +0200 blanchet factored non-ATP specific code from "ATP_Manager" out, so that it can be reused for the LEO-II integration
Fri, 25 Jun 2010 18:03:01 +0200 blanchet update docs
Fri, 25 Jun 2010 17:32:55 +0200 blanchet simpler argument
Fri, 25 Jun 2010 17:26:14 +0200 blanchet got rid of "respect_no_atp" option, which even I don't use
Fri, 25 Jun 2010 17:13:38 +0200 blanchet reorder ML files
Fri, 25 Jun 2010 17:08:39 +0200 blanchet renamed "Sledgehammer_FOL_Clauses" to "Metis_Clauses", so that Metis doesn't depend on Sledgehammer
Fri, 25 Jun 2010 16:42:06 +0200 blanchet merge "Sledgehammer_{F,H}OL_Clause", as requested by a FIXME
Fri, 25 Jun 2010 16:29:07 +0200 blanchet get rid of type alias
Fri, 25 Jun 2010 16:27:53 +0200 blanchet exploit "Name.desymbolize" to remove some dependencies
Fri, 25 Jun 2010 16:15:03 +0200 blanchet renamed "Sledgehammer_Fact_Preprocessor" to "Clausifier";
Fri, 25 Jun 2010 16:03:34 +0200 blanchet fewer dependencies
Fri, 25 Jun 2010 15:59:13 +0200 blanchet more intra-module dependency cleanup + merge "const" and "type_const" tables, since this is safe
Fri, 25 Jun 2010 15:30:38 +0200 blanchet more moving around of ML files in "Sledgehammer.thy"
Fri, 25 Jun 2010 15:22:12 +0200 blanchet got rid of needless exception
Fri, 25 Jun 2010 15:18:58 +0200 blanchet move "MESON" up;
Fri, 25 Jun 2010 15:16:22 +0200 blanchet remove junk
Fri, 25 Jun 2010 15:08:03 +0200 blanchet further reduce dependencies on "sledgehammer_fact_filter.ML"
Fri, 25 Jun 2010 15:01:35 +0200 blanchet move "prepare_clauses" from "sledgehammer_fact_filter.ML" to "sledgehammer_hol_clause.ML";
Mon, 28 Jun 2010 10:39:39 +0200 wenzelm merged
Mon, 28 Jun 2010 09:48:36 +0200 Cezary Kaliszyk Quotient package reverse lifting
Mon, 28 Jun 2010 07:38:39 +0200 Cezary Kaliszyk Add reverse lifting flag to automated theorem derivation
Mon, 28 Jun 2010 07:32:51 +0200 Cezary Kaliszyk Restrict quotient definitions to constants
Sun, 27 Jun 2010 08:33:01 +0100 Christian Urban mixfix can be given for automatically lifted constants
Sat, 26 Jun 2010 08:23:40 +0100 Christian Urban streamlined the generation of quotient theorems out of raw theorems
Fri, 25 Jun 2010 19:12:04 +0200 haftmann merged
Fri, 25 Jun 2010 11:42:29 +0200 haftmann avoid REPEAT after THEN_ALL_NEW
Sat, 26 Jun 2010 22:44:25 +0200 wenzelm refresh Isabelle token marker after buffer properties changed, e.g. when fold mode is switched;
Sat, 26 Jun 2010 22:19:55 +0200 wenzelm treat alternative newline symbols as in Isabelle/ML;
Sat, 26 Jun 2010 21:26:35 +0200 wenzelm simplified text_area_painter, with more precise treatment of visible line end;
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