Mon, 13 Jun 2016 08:33:29 +0200 tuned
Lars Hupel <lars.hupel@mytum.de> [Mon, 13 Jun 2016 08:33:29 +0200] rev 63294
tuned
Mon, 13 Jun 2016 09:22:45 +0200 tuned;
wenzelm [Mon, 13 Jun 2016 09:22:45 +0200] rev 63293
tuned;
Sun, 12 Jun 2016 13:43:27 +0200 tuned;
wenzelm [Sun, 12 Jun 2016 13:43:27 +0200] rev 63292
tuned;
Sat, 11 Jun 2016 20:54:31 +0200 tuned;
wenzelm [Sat, 11 Jun 2016 20:54:31 +0200] rev 63291
tuned;
Sat, 11 Jun 2016 16:22:42 +0200 boldify syntax in abstract algebraic structures, to avoid clashes with concrete syntax in corresponding type classes
haftmann [Sat, 11 Jun 2016 16:22:42 +0200] rev 63290
boldify syntax in abstract algebraic structures, to avoid clashes with concrete syntax in corresponding type classes
Sat, 11 Jun 2016 17:40:52 +0200 merged
Lars Hupel <lars.hupel@mytum.de> [Sat, 11 Jun 2016 17:40:52 +0200] rev 63289
merged
Sat, 11 Jun 2016 17:23:24 +0200 start moving actual Jenkins build scripts into the repository
Lars Hupel <lars.hupel@mytum.de> [Sat, 11 Jun 2016 17:23:24 +0200] rev 63288
start moving actual Jenkins build scripts into the repository
Sat, 11 Jun 2016 17:36:49 +0200 tuned order for isar-ref;
wenzelm [Sat, 11 Jun 2016 17:36:49 +0200] rev 63287
tuned order for isar-ref;
Sat, 11 Jun 2016 16:58:17 +0200 clarified;
wenzelm [Sat, 11 Jun 2016 16:58:17 +0200] rev 63286
clarified;
Sat, 11 Jun 2016 16:41:11 +0200 clarified syntax;
wenzelm [Sat, 11 Jun 2016 16:41:11 +0200] rev 63285
clarified syntax;
Sat, 11 Jun 2016 13:57:59 +0200 spelling;
wenzelm [Sat, 11 Jun 2016 13:57:59 +0200] rev 63284
spelling;
Fri, 10 Jun 2016 23:13:04 +0200 bundles "finfun_syntax" and "no_finfun_syntax" for optional syntax;
wenzelm [Fri, 10 Jun 2016 23:13:04 +0200] rev 63283
bundles "finfun_syntax" and "no_finfun_syntax" for optional syntax;
Fri, 10 Jun 2016 22:47:25 +0200 added command 'unbundle';
wenzelm [Fri, 10 Jun 2016 22:47:25 +0200] rev 63282
added command 'unbundle';
Fri, 10 Jun 2016 17:12:14 +0100 Merge
paulson <lp15@cam.ac.uk> [Fri, 10 Jun 2016 17:12:14 +0100] rev 63281
Merge
Fri, 10 Jun 2016 15:53:08 +0100 code to catch exception TERM in blast
paulson <lp15@cam.ac.uk> [Fri, 10 Jun 2016 15:53:08 +0100] rev 63280
code to catch exception TERM in blast
Fri, 10 Jun 2016 16:36:24 +0200 merged
wenzelm [Fri, 10 Jun 2016 16:36:24 +0200] rev 63279
merged
Fri, 10 Jun 2016 16:28:48 +0200 avoid duplicate Attrib.local_notes in aux. context;
wenzelm [Fri, 10 Jun 2016 16:28:48 +0200] rev 63278
avoid duplicate Attrib.local_notes in aux. context;
Fri, 10 Jun 2016 16:17:33 +0200 proper restore;
wenzelm [Fri, 10 Jun 2016 16:17:33 +0200] rev 63277
proper restore;
Fri, 10 Jun 2016 16:14:20 +0200 tuned;
wenzelm [Fri, 10 Jun 2016 16:14:20 +0200] rev 63276
tuned;
Fri, 10 Jun 2016 13:48:17 +0200 tuned;
wenzelm [Fri, 10 Jun 2016 13:48:17 +0200] rev 63275
tuned;
Fri, 10 Jun 2016 13:18:57 +0200 tuned;
wenzelm [Fri, 10 Jun 2016 13:18:57 +0200] rev 63274
tuned;
Fri, 10 Jun 2016 12:45:34 +0200 prefer hybrid 'bundle' command;
wenzelm [Fri, 10 Jun 2016 12:45:34 +0200] rev 63273
prefer hybrid 'bundle' command;
Thu, 09 Jun 2016 17:14:13 +0200 documentation;
wenzelm [Thu, 09 Jun 2016 17:14:13 +0200] rev 63272
documentation;
Thu, 09 Jun 2016 17:13:52 +0200 clarified;
wenzelm [Thu, 09 Jun 2016 17:13:52 +0200] rev 63271
clarified;
Thu, 09 Jun 2016 15:41:49 +0200 support for bundle definition via target;
wenzelm [Thu, 09 Jun 2016 15:41:49 +0200] rev 63270
support for bundle definition via target;
Thu, 09 Jun 2016 12:21:15 +0200 tuned signature;
wenzelm [Thu, 09 Jun 2016 12:21:15 +0200] rev 63269
tuned signature;
Thu, 09 Jun 2016 12:16:52 +0200 tuned;
wenzelm [Thu, 09 Jun 2016 12:16:52 +0200] rev 63268
tuned;
Thu, 09 Jun 2016 12:02:38 +0200 tuned signature;
wenzelm [Thu, 09 Jun 2016 12:02:38 +0200] rev 63267
tuned signature;
Thu, 09 Jun 2016 11:40:39 +0200 tuned;
wenzelm [Thu, 09 Jun 2016 11:40:39 +0200] rev 63266
tuned;
Fri, 10 Jun 2016 13:54:50 +0100 Better treatment of assumptions/goals that are simply Boolean variables. Also cosmetic changes.
paulson <lp15@cam.ac.uk> [Fri, 10 Jun 2016 13:54:50 +0100] rev 63265
Better treatment of assumptions/goals that are simply Boolean variables. Also cosmetic changes.
Thu, 09 Jun 2016 16:42:10 +0200 merged
immler [Thu, 09 Jun 2016 16:42:10 +0200] rev 63264
merged
Thu, 09 Jun 2016 16:04:20 +0200 approximation, derivative, and continuity of floor and ceiling
immler [Thu, 09 Jun 2016 16:04:20 +0200] rev 63263
approximation, derivative, and continuity of floor and ceiling
Thu, 09 Jun 2016 16:11:33 +0200 remove smt call in Lebesge_Measure
hoelzl [Thu, 09 Jun 2016 16:11:33 +0200] rev 63262
remove smt call in Lebesge_Measure
Wed, 08 Jun 2016 19:36:45 +0200 proper noWordSep as in "isabelle" mode (cf. 5024d0c48e02);
wenzelm [Wed, 08 Jun 2016 19:36:45 +0200] rev 63261
proper noWordSep as in "isabelle" mode (cf. 5024d0c48e02);
Wed, 08 Jun 2016 18:46:09 +0200 merged
wenzelm [Wed, 08 Jun 2016 18:46:09 +0200] rev 63260
merged
Wed, 08 Jun 2016 18:45:50 +0200 NEWS;
wenzelm [Wed, 08 Jun 2016 18:45:50 +0200] rev 63259
NEWS;
Wed, 08 Jun 2016 18:45:44 +0200 tuned proofs;
wenzelm [Wed, 08 Jun 2016 18:45:44 +0200] rev 63258
tuned proofs;
Wed, 08 Jun 2016 11:53:43 +0200 provide dynamic facts in static context, to allow use of method_facts during static closure;
wenzelm [Wed, 08 Jun 2016 11:53:43 +0200] rev 63257
provide dynamic facts in static context, to allow use of method_facts during static closure;
Wed, 08 Jun 2016 11:33:56 +0200 tuned;
wenzelm [Wed, 08 Jun 2016 11:33:56 +0200] rev 63256
tuned;
Tue, 07 Jun 2016 21:13:08 +0200 clarified signature;
wenzelm [Tue, 07 Jun 2016 21:13:08 +0200] rev 63255
clarified signature;
Tue, 07 Jun 2016 20:45:07 +0200 less ambitious arguments: thms only, no context declaration;
wenzelm [Tue, 07 Jun 2016 20:45:07 +0200] rev 63254
less ambitious arguments: thms only, no context declaration;
Tue, 07 Jun 2016 19:59:42 +0200 added method operator "use";
wenzelm [Tue, 07 Jun 2016 19:59:42 +0200] rev 63253
added method operator "use";
Tue, 07 Jun 2016 19:57:41 +0200 clarified signature;
wenzelm [Tue, 07 Jun 2016 19:57:41 +0200] rev 63252
clarified signature;
Tue, 07 Jun 2016 19:55:45 +0200 clean facts more uniformly;
wenzelm [Tue, 07 Jun 2016 19:55:45 +0200] rev 63251
clean facts more uniformly;
Tue, 07 Jun 2016 15:44:18 +0200 expode method_facts via dynamic method context;
wenzelm [Tue, 07 Jun 2016 15:44:18 +0200] rev 63250
expode method_facts via dynamic method context;
Tue, 07 Jun 2016 11:27:01 +0200 tuned;
wenzelm [Tue, 07 Jun 2016 11:27:01 +0200] rev 63249
tuned;
Wed, 08 Jun 2016 16:46:48 +0200 generalized bitlen to floor of log
immler [Wed, 08 Jun 2016 16:46:48 +0200] rev 63248
generalized bitlen to floor of log
Wed, 08 Jun 2016 09:09:46 +0200 repair Unicode mess-up in c493859d4267
Andreas Lochbihler [Wed, 08 Jun 2016 09:09:46 +0200] rev 63247
repair Unicode mess-up in c493859d4267
Wed, 08 Jun 2016 09:07:05 +0200 NEWS and CONTRIBUTORS for SPMF
Andreas Lochbihler [Wed, 08 Jun 2016 09:07:05 +0200] rev 63246
NEWS and CONTRIBUTORS for SPMF
Wed, 08 Jun 2016 09:05:32 +0200 merged
Andreas Lochbihler [Wed, 08 Jun 2016 09:05:32 +0200] rev 63245
merged
Tue, 07 Jun 2016 17:16:24 +0200 import wasysym needed by Rewrite.thy
Andreas Lochbihler [Tue, 07 Jun 2016 17:16:24 +0200] rev 63244
import wasysym needed by Rewrite.thy
Tue, 07 Jun 2016 15:12:27 +0200 add theory of discrete subprobability distributions
Andreas Lochbihler [Tue, 07 Jun 2016 15:12:27 +0200] rev 63243
add theory of discrete subprobability distributions
Mon, 06 Jun 2016 22:22:05 +0200 clear distinction between different situations concerning strictness of code equations
haftmann [Mon, 06 Jun 2016 22:22:05 +0200] rev 63242
clear distinction between different situations concerning strictness of code equations
Mon, 06 Jun 2016 21:28:46 +0200 tuned signature
haftmann [Mon, 06 Jun 2016 21:28:46 +0200] rev 63241
tuned signature
Mon, 06 Jun 2016 21:28:46 +0200 more correct exception handling
haftmann [Mon, 06 Jun 2016 21:28:46 +0200] rev 63240
more correct exception handling
Mon, 06 Jun 2016 21:28:46 +0200 explicit tagging of code equations de-baroquifies interface
haftmann [Mon, 06 Jun 2016 21:28:46 +0200] rev 63239
explicit tagging of code equations de-baroquifies interface
Mon, 06 Jun 2016 21:28:45 +0200 dropped unused code
haftmann [Mon, 06 Jun 2016 21:28:45 +0200] rev 63238
dropped unused code
Mon, 06 Jun 2016 21:28:45 +0200 conventional syntax for unit abstractions
haftmann [Mon, 06 Jun 2016 21:28:45 +0200] rev 63237
conventional syntax for unit abstractions
Mon, 06 Jun 2016 16:04:26 +0200 added action "isabelle.select-entity";
wenzelm [Mon, 06 Jun 2016 16:04:26 +0200] rev 63236
added action "isabelle.select-entity";
Mon, 06 Jun 2016 15:52:25 +0200 tuned;
wenzelm [Mon, 06 Jun 2016 15:52:25 +0200] rev 63235
tuned;
Mon, 06 Jun 2016 14:16:25 +0200 clarified focus_defs vs. focus_refs, e.g. relevant for @{here} where this overlaps;
wenzelm [Mon, 06 Jun 2016 14:16:25 +0200] rev 63234
clarified focus_defs vs. focus_refs, e.g. relevant for @{here} where this overlaps;
Mon, 06 Jun 2016 11:50:13 +0200 tuned;
wenzelm [Mon, 06 Jun 2016 11:50:13 +0200] rev 63233
tuned;
Mon, 06 Jun 2016 10:34:56 +0200 less redundant exploration of full name space;
wenzelm [Mon, 06 Jun 2016 10:34:56 +0200] rev 63232
less redundant exploration of full name space;
Mon, 06 Jun 2016 08:36:03 +0200 tuned;
wenzelm [Mon, 06 Jun 2016 08:36:03 +0200] rev 63231
tuned;
Mon, 06 Jun 2016 08:13:07 +0200 avoid multiple reports on shared type;
wenzelm [Mon, 06 Jun 2016 08:13:07 +0200] rev 63230
avoid multiple reports on shared type;
Sat, 04 Jun 2016 16:54:23 +0200 updated to recent changes of Poly/ML directory layout;
wenzelm [Sat, 04 Jun 2016 16:54:23 +0200] rev 63229
updated to recent changes of Poly/ML directory layout;
Sat, 04 Jun 2016 16:23:42 +0200 tuned;
wenzelm [Sat, 04 Jun 2016 16:23:42 +0200] rev 63228
tuned;
Sat, 04 Jun 2016 16:10:44 +0200 Integer.lcm normalizes the sign as in HOL/GCD.thy;
wenzelm [Sat, 04 Jun 2016 16:10:44 +0200] rev 63227
Integer.lcm normalizes the sign as in HOL/GCD.thy; tuned;
Fri, 03 Jun 2016 22:27:01 +0200 support for .scala tools;
wenzelm [Fri, 03 Jun 2016 22:27:01 +0200] rev 63226
support for .scala tools;
Thu, 02 Jun 2016 17:47:47 +0200 move ennreal and ereal theorems from MFMC_Countable
hoelzl [Thu, 02 Jun 2016 17:47:47 +0200] rev 63225
move ennreal and ereal theorems from MFMC_Countable
Fri, 03 Jun 2016 14:11:11 +0200 more flexible build_selection;
wenzelm [Fri, 03 Jun 2016 14:11:11 +0200] rev 63224
more flexible build_selection;
Thu, 02 Jun 2016 17:05:40 +0200 clarified aliases (no warning for duplicates);
wenzelm [Thu, 02 Jun 2016 17:05:40 +0200] rev 63223
clarified aliases (no warning for duplicates);
Thu, 02 Jun 2016 16:49:44 +0200 eliminated pointless alias (no warning for duplicates);
wenzelm [Thu, 02 Jun 2016 16:49:44 +0200] rev 63222
eliminated pointless alias (no warning for duplicates);
Thu, 02 Jun 2016 16:23:10 +0200 avoid warnings on duplicate rules in the given list;
wenzelm [Thu, 02 Jun 2016 16:23:10 +0200] rev 63221
avoid warnings on duplicate rules in the given list;
Thu, 02 Jun 2016 15:52:45 +0200 avoid stateful operations in virtual bootstrap, which presumably causes occasional crash of drule.ML due to inner syntax pp;
wenzelm [Thu, 02 Jun 2016 15:52:45 +0200] rev 63220
avoid stateful operations in virtual bootstrap, which presumably causes occasional crash of drule.ML due to inner syntax pp;
Thu, 02 Jun 2016 08:34:23 +0200 Hid RBT.filter
Manuel Eberl <eberlm@in.tum.de> [Thu, 02 Jun 2016 08:34:23 +0200] rev 63219
Hid RBT.filter
Wed, 01 Jun 2016 22:35:51 +0200 proper ceil operation;
wenzelm [Wed, 01 Jun 2016 22:35:51 +0200] rev 63218
proper ceil operation;
Wed, 01 Jun 2016 21:31:08 +0200 tuned;
wenzelm [Wed, 01 Jun 2016 21:31:08 +0200] rev 63217
tuned;
Wed, 01 Jun 2016 21:26:39 +0200 isabelle components_checksum -u;
wenzelm [Wed, 01 Jun 2016 21:26:39 +0200] rev 63216
isabelle components_checksum -u;
Wed, 01 Jun 2016 21:24:51 +0200 more documentation;
wenzelm [Wed, 01 Jun 2016 21:24:51 +0200] rev 63215
more documentation;
Wed, 01 Jun 2016 20:59:16 +0200 updated to jdk-8u92;
wenzelm [Wed, 01 Jun 2016 20:59:16 +0200] rev 63214
updated to jdk-8u92;
Wed, 01 Jun 2016 19:54:31 +0200 merged
wenzelm [Wed, 01 Jun 2016 19:54:31 +0200] rev 63213
merged
Wed, 01 Jun 2016 19:54:26 +0200 NEWS;
wenzelm [Wed, 01 Jun 2016 19:54:26 +0200] rev 63212
NEWS;
Wed, 01 Jun 2016 19:23:18 +0200 more adhoc overloading;
wenzelm [Wed, 01 Jun 2016 19:23:18 +0200] rev 63211
more adhoc overloading; eliminated pointless Rat.eq: this is an equality type; tuned;
Wed, 01 Jun 2016 17:46:12 +0200 clarified exception -- actually reject denominator = 0;
wenzelm [Wed, 01 Jun 2016 17:46:12 +0200] rev 63210
clarified exception -- actually reject denominator = 0;
Wed, 01 Jun 2016 16:02:02 +0200 ML pp for Rat.rat;
wenzelm [Wed, 01 Jun 2016 16:02:02 +0200] rev 63209
ML pp for Rat.rat;
Wed, 01 Jun 2016 15:33:45 +0200 clarified string_of_rat operations;
wenzelm [Wed, 01 Jun 2016 15:33:45 +0200] rev 63208
clarified string_of_rat operations;
Wed, 01 Jun 2016 15:19:44 +0200 tuned signature;
wenzelm [Wed, 01 Jun 2016 15:19:44 +0200] rev 63207
tuned signature;
Wed, 01 Jun 2016 15:17:29 +0200 clarified signature;
wenzelm [Wed, 01 Jun 2016 15:17:29 +0200] rev 63206
clarified signature;
Wed, 01 Jun 2016 15:10:27 +0200 prefer rat numberals;
wenzelm [Wed, 01 Jun 2016 15:10:27 +0200] rev 63205
prefer rat numberals;
Wed, 01 Jun 2016 15:01:43 +0200 support rat numerals via special antiquotation syntax;
wenzelm [Wed, 01 Jun 2016 15:01:43 +0200] rev 63204
support rat numerals via special antiquotation syntax;
Wed, 01 Jun 2016 10:59:57 +0200 tuned signature;
wenzelm [Wed, 01 Jun 2016 10:59:57 +0200] rev 63203
tuned signature;
Wed, 01 Jun 2016 10:55:10 +0200 tuned;
wenzelm [Wed, 01 Jun 2016 10:55:10 +0200] rev 63202
tuned;
Wed, 01 Jun 2016 10:45:35 +0200 tuned signature;
wenzelm [Wed, 01 Jun 2016 10:45:35 +0200] rev 63201
tuned signature;
Tue, 31 May 2016 23:06:03 +0200 maintain invariant for exported operation;
wenzelm [Tue, 31 May 2016 23:06:03 +0200] rev 63200
maintain invariant for exported operation;
Tue, 31 May 2016 22:39:28 +0200 prefer more efficient Poly/ML operations, taking care of sign;
wenzelm [Tue, 31 May 2016 22:39:28 +0200] rev 63199
prefer more efficient Poly/ML operations, taking care of sign;
Tue, 31 May 2016 21:54:10 +0200 ad-hoc overloading for standard operations on type Rat.rat;
wenzelm [Tue, 31 May 2016 21:54:10 +0200] rev 63198
ad-hoc overloading for standard operations on type Rat.rat;
Tue, 31 May 2016 19:51:01 +0200 rat.ML is now part of Pure to allow tigther integration with Isabelle/ML;
wenzelm [Tue, 31 May 2016 19:51:01 +0200] rev 63197
rat.ML is now part of Pure to allow tigther integration with Isabelle/ML;
Wed, 01 Jun 2016 15:43:15 +0200 Merged
eberlm [Wed, 01 Jun 2016 15:43:15 +0200] rev 63196
Merged
Wed, 01 Jun 2016 13:48:34 +0200 Tuned code equations for mappings and PMFs
eberlm [Wed, 01 Jun 2016 13:48:34 +0200] rev 63195
Tuned code equations for mappings and PMFs
Tue, 31 May 2016 13:02:44 +0200 Added code generation for PMFs
eberlm [Tue, 31 May 2016 13:02:44 +0200] rev 63194
Added code generation for PMFs
Tue, 31 May 2016 21:06:46 +0200 merged
traytel [Tue, 31 May 2016 21:06:46 +0200] rev 63193
merged
Tue, 31 May 2016 14:56:51 +0200 moved lemma from afp
traytel [Tue, 31 May 2016 14:56:51 +0200] rev 63192
moved lemma from afp
Tue, 31 May 2016 18:31:33 +0200 ignore Maven build products
Lars Hupel <lars.hupel@mytum.de> [Tue, 31 May 2016 18:31:33 +0200] rev 63191
ignore Maven build products
Tue, 31 May 2016 12:24:43 +0200 added test
blanchet [Tue, 31 May 2016 12:24:43 +0200] rev 63190
added test
Tue, 31 May 2016 11:54:45 +0200 made parsing of monomorphic/polymorphic constants more robust
blanchet [Tue, 31 May 2016 11:54:45 +0200] rev 63189
made parsing of monomorphic/polymorphic constants more robust
Tue, 31 May 2016 10:53:11 +0200 more flexible parsing (towards type class support)
blanchet [Tue, 31 May 2016 10:53:11 +0200] rev 63188
more flexible parsing (towards type class support)
Tue, 31 May 2016 10:53:10 +0200 error message
blanchet [Tue, 31 May 2016 10:53:10 +0200] rev 63187
error message
Tue, 31 May 2016 11:45:34 +1000 allow multiple recursive methods to co-exist in order to support mutual recursion;
matichuk <daniel.matichuk@nicta.com.au> [Tue, 31 May 2016 11:45:34 +1000] rev 63186
allow multiple recursive methods to co-exist in order to support mutual recursion;
Mon, 30 May 2016 16:11:53 +1000 apply current morphism to method text before evaluating;
matichuk <daniel.matichuk@nicta.com.au> [Mon, 30 May 2016 16:11:53 +1000] rev 63185
apply current morphism to method text before evaluating;
Mon, 30 May 2016 20:58:54 +0200 merged
wenzelm [Mon, 30 May 2016 20:58:54 +0200] rev 63184
merged
Mon, 30 May 2016 20:58:16 +0200 tuned;
wenzelm [Mon, 30 May 2016 20:58:16 +0200] rev 63183
tuned;
Mon, 30 May 2016 14:15:44 +0200 allow 'for' fixes for multi_specs;
wenzelm [Mon, 30 May 2016 14:15:44 +0200] rev 63182
allow 'for' fixes for multi_specs;
Mon, 30 May 2016 11:44:41 +0200 unused;
wenzelm [Mon, 30 May 2016 11:44:41 +0200] rev 63181
unused;
Sun, 29 May 2016 15:40:25 +0200 clarified check_open_spec / read_open_spec;
wenzelm [Sun, 29 May 2016 15:40:25 +0200] rev 63180
clarified check_open_spec / read_open_spec; allow 'for' fixes in 'abbreviation', 'definition';
Sat, 28 May 2016 23:55:41 +0200 tuned;
wenzelm [Sat, 28 May 2016 23:55:41 +0200] rev 63179
tuned;
Sat, 28 May 2016 21:38:58 +0200 clarified 'axiomatization';
wenzelm [Sat, 28 May 2016 21:38:58 +0200] rev 63178
clarified 'axiomatization';
Sat, 28 May 2016 17:35:12 +0200 clarified axiomatization;
wenzelm [Sat, 28 May 2016 17:35:12 +0200] rev 63177
clarified axiomatization;
Sat, 28 May 2016 17:34:28 +0200 clarified axiomatization: proper variables (!);
wenzelm [Sat, 28 May 2016 17:34:28 +0200] rev 63176
clarified axiomatization: proper variables (!);
Sun, 29 May 2016 14:43:18 +0200 explicit check that abstract constructors cannot be part of official interface
haftmann [Sun, 29 May 2016 14:43:18 +0200] rev 63175
explicit check that abstract constructors cannot be part of official interface
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