Fri, 20 Sep 2013 22:39:30 +0200 blanchet updated CONTRIBUTORS
Fri, 20 Sep 2013 22:39:30 +0200 blanchet updated NEWS
Fri, 20 Sep 2013 22:39:30 +0200 blanchet document option
Fri, 20 Sep 2013 22:39:30 +0200 blanchet merged "isar_try0" and "isar_minimize" options
Fri, 20 Sep 2013 22:39:30 +0200 blanchet hardcoded obscure option
Fri, 20 Sep 2013 22:39:30 +0200 blanchet hard-coded an obscure option
Fri, 20 Sep 2013 22:39:30 +0200 blanchet use configuration mechanism for low-level tracing
Fri, 20 Sep 2013 22:39:30 +0200 blanchet moved focus to Isabell/jEdit and away from Proof General
Fri, 20 Sep 2013 22:39:30 +0200 blanchet took out Waldmeister from list of default provers -- it's usually just visual noise, and its integration in Sledgehammer leaves much to be desired
Fri, 20 Sep 2013 22:39:30 +0200 blanchet tuning (use a blacklist instead of a whitelist)
Fri, 20 Sep 2013 22:39:30 +0200 blanchet reduce the number of emitted MaSh commands (among others to facilitate debugging)
Fri, 20 Sep 2013 22:39:30 +0200 blanchet MaSh tweaks to facilitate debugging
Fri, 20 Sep 2013 20:21:54 +0200 haftmann tuned proofs
Fri, 20 Sep 2013 17:08:08 +0200 kuncar make SML/NJ happy
Fri, 20 Sep 2013 16:32:27 +0200 blanchet renamed "primcorec" to "primcorecursive", to open the door to a 'theory -> theory' command called "primcorec" (cf. "fun" vs. "function")
Fri, 20 Sep 2013 15:42:41 +0200 blanchet more primcorec docs
Fri, 20 Sep 2013 15:05:47 +0200 blanchet added primcorec examples with lambdas
Fri, 20 Sep 2013 14:50:06 +0200 blanchet more primcorec docs
Fri, 20 Sep 2013 14:17:47 +0200 blanchet adapted primcorec documentation to reflect the three views
Fri, 20 Sep 2013 12:09:06 +0200 blanchet updated docs
Fri, 20 Sep 2013 12:04:48 +0200 blanchet took out spurious attributes (no need for several code equations / simps for thesame constants)
Fri, 20 Sep 2013 11:44:30 +0200 blanchet have "datatype_new_compat" register induction and recursion theorems in nested case
Fri, 20 Sep 2013 10:09:16 +0200 Andreas Lochbihler prefer Code.abort over code_abort
Fri, 20 Sep 2013 00:08:42 +0200 blanchet setting the stage for safe constructor simp rules
Thu, 19 Sep 2013 23:54:54 +0200 blanchet added TODO
Thu, 19 Sep 2013 20:23:08 +0200 blanchet made tactic more reliable
Thu, 19 Sep 2013 20:03:42 +0200 blanchet killed exceptional code that is anyway no longer needed, now that the 'simp' attribute has been taken away -- this solves issues in 'primcorec'
Thu, 19 Sep 2013 20:03:41 +0200 blanchet cleaner handling of collapse theorems
Thu, 19 Sep 2013 19:35:03 +0200 wenzelm repaired latex (cf. 84522727f9d3);
Thu, 19 Sep 2013 18:59:28 +0200 blanchet updated NEWS
Thu, 19 Sep 2013 18:03:54 +0200 haftmann dropped dead code
Thu, 19 Sep 2013 17:38:03 +0200 traytel don't declare ctr view primcorec theorems as simp (they loop)
Thu, 19 Sep 2013 16:12:43 +0200 panny simplified code; eliminated some dummyTs
Thu, 19 Sep 2013 12:20:12 +0200 blanchet avoid infinite loop for unapplied terms + tuning
Thu, 19 Sep 2013 11:27:32 +0200 blanchet generalize code to handle zero-argument case gracefully (e.g. for nullay functions defined over codatatypes that corecurse through "fun"
Thu, 19 Sep 2013 11:27:30 +0200 blanchet give lambda abstractions a chance, as an alternative to function composition, for corecursion via "fun"
Thu, 19 Sep 2013 03:29:33 +0200 blanchet added auxiliary function
Thu, 19 Sep 2013 03:13:13 +0200 blanchet avoid parameter
Thu, 19 Sep 2013 02:30:45 +0200 blanchet added helper function for code equations in primcorec
Thu, 19 Sep 2013 01:15:26 +0200 blanchet updated NEWS and CONTRIBUTORS
Thu, 19 Sep 2013 01:09:25 +0200 blanchet split functionality into two functions to avoid redoing work over and over
Thu, 19 Sep 2013 01:09:25 +0200 blanchet added massaging function for primcorec code equations
Thu, 19 Sep 2013 01:09:25 +0200 blanchet simplified code
Thu, 19 Sep 2013 01:09:25 +0200 blanchet no need for beta-eta contraction
Thu, 19 Sep 2013 01:09:25 +0200 blanchet generalize helper function
Thu, 19 Sep 2013 00:32:33 +0200 panny generate more theorems (e.g. for types with only one constructor)
Wed, 18 Sep 2013 18:11:32 +0200 traytel added two functions to List (one contributed by Manuel Eberl)
Wed, 18 Sep 2013 22:59:11 +0200 panny generate constructor view theorems
Wed, 18 Sep 2013 20:54:46 +0200 wenzelm merged;
Wed, 18 Sep 2013 20:33:36 +0200 wenzelm merged;
Wed, 18 Sep 2013 20:32:49 +0200 wenzelm tuned proofs;
Wed, 18 Sep 2013 20:32:11 +0200 wenzelm tuned proofs;
Wed, 18 Sep 2013 20:09:26 +0200 wenzelm added option "jedit_auto_load";
Wed, 18 Sep 2013 16:18:17 +0200 wenzelm limit for text height;
Wed, 18 Sep 2013 16:09:38 +0200 wenzelm improved layout, with special treatment for ScrollPane;
Wed, 18 Sep 2013 15:50:59 +0200 wenzelm tuned signature;
Wed, 18 Sep 2013 15:09:15 +0200 wenzelm improved FlowLayout for wrapping of components over multiple lines;
Wed, 18 Sep 2013 13:31:44 +0200 wenzelm updated to polyml-5.5.1;
Wed, 18 Sep 2013 13:18:51 +0200 wenzelm improved printing of exception trace in Poly/ML 5.5.1;
Wed, 18 Sep 2013 11:36:12 +0200 wenzelm more antiquotations;
Wed, 18 Sep 2013 11:08:28 +0200 wenzelm moved module into plain Isabelle/ML user space;
Wed, 18 Sep 2013 20:44:10 +0200 blanchet more primcorec tactics
Wed, 18 Sep 2013 20:43:55 +0200 blanchet enrich data structure
Wed, 18 Sep 2013 19:57:59 +0200 blanchet include more "discI" rules
Wed, 18 Sep 2013 18:57:32 +0200 blanchet updated docs
Wed, 18 Sep 2013 18:57:09 +0200 blanchet tuning (alphabetical order)
Wed, 18 Sep 2013 18:56:48 +0200 blanchet removed spurious "simp"
Wed, 18 Sep 2013 18:53:24 +0200 blanchet note "discI"
Wed, 18 Sep 2013 18:12:40 +0200 blanchet tuned tactics
Wed, 18 Sep 2013 17:36:47 +0200 blanchet no need thanks to "Code.abort"
Wed, 18 Sep 2013 16:44:19 +0200 blanchet minor change related to code equations in primcorec
Wed, 18 Sep 2013 16:09:15 +0200 traytel don't unfold as eager as in 11a77e4aa98b
Wed, 18 Sep 2013 16:09:02 +0200 traytel tuned proofs
Wed, 18 Sep 2013 15:56:15 +0200 blanchet use singular to avoid confusion
Wed, 18 Sep 2013 15:33:32 +0200 blanchet new tactics for constructor view
Wed, 18 Sep 2013 15:33:32 +0200 blanchet tuning
Wed, 18 Sep 2013 15:33:31 +0200 blanchet fixed embarrassing typo in example
Wed, 18 Sep 2013 15:33:30 +0200 blanchet avoid duplicate simp rule warnings
Wed, 18 Sep 2013 12:16:10 +0200 nipkow added and tuned lemmas
Wed, 18 Sep 2013 00:11:15 +0200 wenzelm tuned proofs;
Tue, 17 Sep 2013 21:20:55 +0200 wenzelm updated to official polyml-5.5.1;
Tue, 17 Sep 2013 21:12:41 +0200 wenzelm updated to polyml-5.5.1;
Tue, 17 Sep 2013 17:17:55 +0200 wenzelm actually use x86_64 machine;
Tue, 17 Sep 2013 15:49:11 +0200 kuncar correct merging of restore data
Tue, 17 Sep 2013 15:18:14 +0200 lammich order_bot, order_top
Tue, 17 Sep 2013 14:10:33 +0200 kuncar include Int_Pow into Quotient_Examples; add end of the theory
Tue, 17 Sep 2013 13:40:44 +0200 noschinl NEWS: Simps_Case_Conv
Tue, 17 Sep 2013 08:42:51 +0200 nipkow added lemmas and made concerse executable
Tue, 17 Sep 2013 01:11:37 +0200 blanchet merge
Tue, 17 Sep 2013 01:09:51 +0200 blanchet return right theorems
Tue, 17 Sep 2013 00:48:01 +0200 blanchet more (co)data docs
Fri, 13 Sep 2013 14:57:20 -0700 huffman tuned proofs about 'convex'
Tue, 17 Sep 2013 00:39:51 +0200 blanchet more (co)data docs
Tue, 17 Sep 2013 00:13:20 +0200 wenzelm tuned proofs;
Mon, 16 Sep 2013 23:08:02 +0200 wenzelm treat all dummy type variables separately (in contrast to fca432074fb2);
Mon, 16 Sep 2013 23:04:13 +0200 wenzelm removed dead code (see also 69d4543811d0);
Mon, 16 Sep 2013 19:30:33 +0200 wenzelm merged
Mon, 16 Sep 2013 19:27:20 +0200 wenzelm tuned signature;
Mon, 16 Sep 2013 17:42:05 +0200 wenzelm more antiquotations -- avoid unchecked string literals;
Mon, 16 Sep 2013 17:18:56 +0200 wenzelm more explicit exception pattern (NB: unqualified exceptions without arguments are in danger of becoming catch-all patterns by accident);
Mon, 16 Sep 2013 17:13:38 +0200 wenzelm distinguish Proof.context vs. local_theory semantically, with corresponding naming conventions;
Mon, 16 Sep 2013 17:04:28 +0200 wenzelm tuned white space;
Mon, 16 Sep 2013 16:50:49 +0200 wenzelm adhoc check of ML sources, in addition to thy files already covered in Thy_Load;
Mon, 16 Sep 2013 16:46:52 +0200 wenzelm proper Isabelle symbols -- no UTF8 here;
Mon, 16 Sep 2013 14:21:07 +0200 wenzelm proper Cygwin mirror for Isabelle2013-1;
Mon, 16 Sep 2013 13:56:02 +0200 wenzelm explicit test of quick_and_dirty, which is rarely used in practice;
Mon, 16 Sep 2013 13:54:58 +0200 wenzelm updated to cygwin-20130916;
Mon, 16 Sep 2013 13:22:02 +0200 wenzelm more CHECKLIST;
Mon, 16 Sep 2013 13:11:32 +0200 wenzelm updated cygwin snapshot;
Mon, 16 Sep 2013 12:51:33 +0200 wenzelm updated to smlnj 110.76;
Mon, 16 Sep 2013 12:37:54 +0200 wenzelm prefer high-level ML_System.share_common_data, ML_System.save_state -- except for bootstrap images (RAW, Pure);
Mon, 16 Sep 2013 11:46:24 +0200 wenzelm more NEWS;
Mon, 16 Sep 2013 16:48:08 +0200 panny merge
Mon, 16 Sep 2013 15:03:23 +0200 panny prove simp theorems for newly generated definitions
Mon, 16 Sep 2013 15:30:20 +0200 kuncar example using restoring Transfer/Lifting context
Mon, 16 Sep 2013 15:30:20 +0200 kuncar use lifting_forget for deregistering numeric types as a quotient type
Mon, 16 Sep 2013 15:30:17 +0200 kuncar restoring Transfer/Lifting context
Mon, 16 Sep 2013 11:54:57 +0200 kuncar make ML function for deleting quotients public
Mon, 16 Sep 2013 11:54:57 +0200 kuncar public access to the raw transfer rules - for restoring transferring
Mon, 16 Sep 2013 11:22:06 +0200 wenzelm another move to avoid sporadic kill of poly, which is presumably due to resource management on lxbroy2, lxbroy3 etc.;
Mon, 16 Sep 2013 00:40:02 +0200 blanchet more (co)data docs
Sun, 15 Sep 2013 23:02:23 +0200 blanchet more (co)data docs
Sun, 15 Sep 2013 23:02:23 +0200 blanchet added missing theorems to "simps" collection
Sun, 15 Sep 2013 23:02:23 +0200 blanchet more (co)data docs
Sun, 15 Sep 2013 23:02:23 +0200 blanchet more (co)data docs
Sun, 15 Sep 2013 23:02:23 +0200 blanchet more (co)data docs
Sat, 14 Sep 2013 23:58:58 +0200 wenzelm merged
Sat, 14 Sep 2013 23:52:36 +0200 wenzelm tuned proofs;
Sat, 14 Sep 2013 22:50:15 +0200 wenzelm tuned magic number, for improved reactivity on old 2-core machine;
Sat, 14 Sep 2013 22:30:10 +0200 wenzelm tuned proofs;
Sat, 14 Sep 2013 22:34:25 +0200 krauss updated keywords
Sat, 14 Sep 2013 18:24:12 +0200 haftmann tuned proof
Sat, 14 Sep 2013 14:01:48 +0200 wenzelm merged
Sat, 14 Sep 2013 13:59:57 +0200 wenzelm tuned proofs;
Sat, 14 Sep 2013 20:57:22 +1000 kleing print find_thms result in reverse order so best result is on top
Sat, 14 Sep 2013 20:56:12 +1000 kleing more useful sorting of find_thms results
Fri, 13 Sep 2013 23:52:01 +0200 wenzelm proper sharing after change of directory structure (cf. 32ec957e5c3e);
Fri, 13 Sep 2013 23:17:04 +0200 wenzelm restricted heap, which might improve stability of this test;
Fri, 13 Sep 2013 22:33:16 +0200 wenzelm merged
Fri, 13 Sep 2013 22:31:56 +0200 wenzelm tuned proofs;
Fri, 13 Sep 2013 22:16:26 +0200 wenzelm tuned proofs;
Fri, 13 Sep 2013 21:14:08 +0200 wenzelm updated to jdk-7u40;
Fri, 13 Sep 2013 14:53:00 +0200 wenzelm added component jdk-7u40.tar.gz (inactive);
Fri, 13 Sep 2013 21:55:33 +0200 blanchet merged
Fri, 13 Sep 2013 21:28:57 +0200 blanchet more (co)data docs
Fri, 13 Sep 2013 19:38:09 +0200 blanchet tuning
Fri, 13 Sep 2013 19:37:32 +0200 blanchet more (co)data doc
Fri, 13 Sep 2013 11:16:13 -0700 huffman generalized and simplified proofs of several theorems about convex sets
Fri, 13 Sep 2013 16:50:35 +0200 blanchet more (co)data docs
Fri, 13 Sep 2013 16:30:16 +0200 blanchet removed accidentally submitted line
Fri, 13 Sep 2013 16:29:39 +0200 blanchet more (co)data doc
Tue, 20 Aug 2013 17:34:11 +0900 Christian Sternagel more general typing of monadic bind
Fri, 13 Sep 2013 09:31:45 +0200 krauss merged
Thu, 12 Sep 2013 22:10:17 +0200 krauss omit automatic Induct.cases_pred declaration, which breaks many existing proofs
Tue, 10 Sep 2013 20:34:32 +0200 krauss NEWS and CONTRIBUTORS
Tue, 10 Sep 2013 20:11:01 +0200 krauss merged
Tue, 10 Sep 2013 20:09:53 +0200 krauss added some examples and tests for fun_cases
Mon, 09 Sep 2013 00:59:45 +0200 krauss dropped unnecessary 'open'
Mon, 09 Sep 2013 00:53:50 +0200 krauss tuned headers
Mon, 09 Sep 2013 00:14:07 +0200 krauss moved cases post-processing under mk_partial_rules_mutual, using existing bookkeeping information;
Sun, 08 Sep 2013 23:58:52 +0200 krauss clarified
Sun, 08 Sep 2013 23:49:25 +0200 krauss clarified, dropping unreachable bool special case
Sun, 08 Sep 2013 23:28:27 +0200 krauss dropped dead code
Sun, 08 Sep 2013 23:26:08 +0200 krauss clarified
Sun, 08 Sep 2013 22:32:47 +0200 Manuel Eberl generate elim rules for elimination of function equalities;
Fri, 13 Sep 2013 07:59:50 +0200 haftmann tuned proofs
Thu, 12 Sep 2013 18:09:56 -0700 huffman merged
Thu, 12 Sep 2013 18:09:17 -0700 huffman make 'linear' into a sublocale of 'bounded_linear';
Thu, 12 Sep 2013 15:08:46 -0700 huffman generalize lemmas
Thu, 12 Sep 2013 15:08:07 -0700 huffman remove unneeded assumption from prime_dvd_power lemmas;
Thu, 12 Sep 2013 09:39:02 -0700 huffman remove duplicate lemmas
Thu, 12 Sep 2013 09:33:36 -0700 huffman new lemmas
Thu, 12 Sep 2013 09:06:46 -0700 huffman prefer theorem name over 'long_thm_list(n)'
Thu, 12 Sep 2013 09:04:46 -0700 huffman prefer attribute 'unfolded thm' to 'simplified'
Thu, 12 Sep 2013 09:03:52 -0700 huffman removed outdated comments
Fri, 13 Sep 2013 02:55:04 +0200 blanchet made non-co case more robust as well (cf. b6e2993fd0d3)
Fri, 13 Sep 2013 02:26:59 +0200 blanchet don't wrongly destroy sum types in coiterators
Fri, 13 Sep 2013 00:55:44 +0200 blanchet beware of multi-constructor datatypes (cf. 27c418b7b985)
Fri, 13 Sep 2013 00:39:24 +0200 blanchet beware of single-constructor datatypes, with no discriminators
Thu, 12 Sep 2013 23:43:02 +0200 traytel more robust tactic to cover another corner case (added as example);
Thu, 12 Sep 2013 23:29:13 +0200 blanchet generalized data structure, for extension with SMT solver proofs
Thu, 12 Sep 2013 22:10:57 +0200 blanchet prefixed types and some functions with "atp_" for disambiguation
Thu, 12 Sep 2013 20:54:26 +0200 wenzelm merged;
Thu, 12 Sep 2013 20:53:25 +0200 wenzelm absorb final CLASSPATH as well, such that tools might provide that by elementary means, without the "classpath" shell function (e.g. kodkodi/nitpick);
Thu, 12 Sep 2013 18:53:51 +0200 wenzelm more CHECKLIST;
Thu, 12 Sep 2013 18:50:41 +0200 wenzelm more robust System.getProperty with default;
Thu, 12 Sep 2013 15:37:09 +0200 wenzelm generate distribution classpath for cold-start application wrappers;
Thu, 12 Sep 2013 14:32:02 +0200 wenzelm reverse orientation of ISABELLE_CLASSPATH;
Thu, 12 Sep 2013 14:10:45 +0200 wenzelm propagate ISABELLE_CLASSPATH;
Thu, 12 Sep 2013 14:06:08 +0200 wenzelm tuned comments;
Thu, 12 Sep 2013 13:48:17 +0200 wenzelm clarified directory structure;
Thu, 12 Sep 2013 13:23:54 +0200 wenzelm maintain classpath in more elementary manner: turn ISABELLE_CLASSPATH into -classpath option, so that all jars are covered by sun.misc.Launcher.AppClassLoader (e.g. relevant for loading add-on resources);
Wed, 11 Sep 2013 23:32:47 +0200 wenzelm more official initial class path according to sun.misc.Launcher;
Wed, 11 Sep 2013 22:46:51 +0200 wenzelm provide main classpath again, notably for cold-start;
Wed, 11 Sep 2013 21:40:03 +0200 wenzelm cold-start of main application even on Linux;
Wed, 11 Sep 2013 20:34:45 +0200 wenzelm tuned proofs;
Wed, 11 Sep 2013 20:16:28 +0200 wenzelm more explicit indication of 'done' as proof script element;
Thu, 12 Sep 2013 17:36:06 +0200 blanchet made tactic handle gracefully the case: codatatype ('a, 's) scheduler2 = Combine2 "'s => 'a" "'s => ('a, 's) scheduler2"
Thu, 12 Sep 2013 17:18:20 +0200 traytel conceal definitions of high-level constructors and (co)iterators
Thu, 12 Sep 2013 17:13:36 +0200 traytel conceal low-level noted facts (+ FIXME to get rid of the notes altogether eventually)
Thu, 12 Sep 2013 16:58:22 +0200 traytel buffer the notes even more
Thu, 12 Sep 2013 16:31:42 +0200 traytel conceal internal bindings
Thu, 12 Sep 2013 15:46:44 +0200 blanchet add a notice to myself in doc
Thu, 12 Sep 2013 15:14:54 +0200 blanchet more robust approach to avoid Python byte code -- environment variables get inherited by subprocesses
Thu, 12 Sep 2013 15:14:53 +0200 blanchet unset some spurious executable flags
Thu, 12 Sep 2013 11:23:49 +0200 traytel handle corner case in tactic
Thu, 12 Sep 2013 11:23:49 +0200 traytel simplified derivation of in_rel
Thu, 12 Sep 2013 11:23:49 +0200 traytel removed unused/inlinable theorems
Thu, 12 Sep 2013 11:05:19 +0200 blanchet when pouring in extra features into the goal, only consider facts from the current theory -- the bottom 10 facts of the last import might be completely unrelated
Thu, 12 Sep 2013 10:40:53 +0200 blanchet minor fixes
Thu, 12 Sep 2013 10:35:33 +0200 blanchet commented out code parts leading to runtime errors due to missing gensim module
Thu, 12 Sep 2013 10:05:10 +0200 blanchet invoke Python with "no bytecode" option to avoid litering Isabelle source directory with ".pyc" files (which can be problematic for a number of reasons)
Thu, 12 Sep 2013 09:59:45 +0200 blanchet new version of MaSh
Thu, 12 Sep 2013 00:34:48 +0200 blanchet more (co)data docs
Thu, 12 Sep 2013 00:07:46 +0200 blanchet avoid a keyword
Wed, 11 Sep 2013 23:55:47 +0200 blanchet more (co)datatype docs
Wed, 11 Sep 2013 22:20:45 +0200 blanchet killed dead code
Wed, 11 Sep 2013 22:20:45 +0200 blanchet get rid of another complication in relevance filter
Wed, 11 Sep 2013 22:20:44 +0200 blanchet tuning
Wed, 11 Sep 2013 22:20:43 +0200 blanchet renamed config option
Wed, 11 Sep 2013 18:52:30 +0200 haftmann more correct NEWS
Wed, 11 Sep 2013 18:38:23 +0200 blanchet kick out totally hopeless facts after 5 iterations to speed things up
Wed, 11 Sep 2013 18:37:47 +0200 blanchet reintroduced 8d8f72aa5c0b, which does make a small difference in practice, but implemented more efficiently
Wed, 11 Sep 2013 18:32:43 +0200 blanchet more (co)data docs
Wed, 11 Sep 2013 17:17:58 +0200 blanchet more (co)data docs
Wed, 11 Sep 2013 16:55:01 +0200 blanchet more (co)data docs
Wed, 11 Sep 2013 16:16:45 +0200 wenzelm merged
Wed, 11 Sep 2013 15:54:53 +0200 wenzelm prefer explicit type constraint (again, see also Type.appl_error);
Wed, 11 Sep 2013 15:42:05 +0200 wenzelm tuned signature;
Wed, 11 Sep 2013 15:30:12 +0200 wenzelm tuned whitespace;
Wed, 11 Sep 2013 15:25:51 +0200 wenzelm tuned message;
Wed, 11 Sep 2013 14:23:06 +0200 wenzelm do not expose internal flags to attribute name space;
Wed, 11 Sep 2013 15:49:39 +0200 blanchet more (co)data docs
Wed, 11 Sep 2013 15:22:43 +0200 blanchet more (co)datatype documentation
Wed, 11 Sep 2013 14:07:24 +0200 blanchet tuning
Wed, 11 Sep 2013 14:07:24 +0200 blanchet disable some checks for huge background theories
Wed, 11 Sep 2013 14:07:24 +0200 blanchet tuning
Wed, 11 Sep 2013 14:07:24 +0200 blanchet reintroduced half of f99ee3adb81d -- that part definitely looks useless (and is inefficient)
Wed, 11 Sep 2013 14:07:24 +0200 blanchet reverted f99ee3adb81d -- that old logic seems to make a difference still today
Wed, 11 Sep 2013 11:38:07 +0200 wenzelm merged
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