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* Update .gitmodules to point at upstream:gnulib and upstream:autoconfbaserock/morphDaniel Silverstone2012-09-111-2/+2
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* Drop the .tarball-version hack, no longer remove .git*.Jannis Pohlmann2012-02-221-2/+0
| | | | We've switched to using real repositories in the build root now.
* flex-scanner.h: use types of git-build flexRichard Maw2012-02-211-1/+1
| | | | | The latest release of flex uses int as the return type of get_leng however the version control version uses yy_size_t
* Add a quick hack to derive a version number from NEWS.Jannis Pohlmann2012-02-211-0/+1
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* bison.morph: do submodule support fixesRichard Maw2012-02-171-2/+3
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* bison.morph: Set DESTDIR in make commandRichard Maw2012-02-151-1/+1
| | | | | Bison works without, as it picks it up from the environment but other projects don't and it is good to be consistent
* add morphRichard Maw2012-01-111-0/+14
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* build: avoid warnings about set-but-not-used variablesJim Meyering2012-01-064-12/+8
| | | | | | | * lib/bitset_stats.c (bitset_stats_list): Remove declaration and set of unused local, "type". * lib/ebitset.c (ebitset_init): Likewise, for "size". * lib/lbitset.c (lbitset_not): Likewise, for "elt".
* lalr1.cc: remove trailing comma from enumerator list.Joel E. Denny2011-08-212-1/+7
| | | | | * data/lalr1.cc (yy::parser): Here. This suppresses a -pedantic warning.
* tests: add -pedantic for --enable-gcc-warnings.Joel E. Denny2011-08-213-4/+13
| | | | | | | | | This should help to avoid some portability problems. For example, it would have revealed the empty unions fixed by the last patch * configure.ac (WARN_CFLAGS_TESTS, WARN_CXXFLAGS_TEST): Implement. * tests/synclines.at (AT_TEST_SYNCLINE): Avoid -pedantic warning about an empty translation unit. (cherry picked from commit 5422d56a718805a2470558808355e04182a12d65)
* tests: fix empty unions.Joel E. Denny2011-08-214-4/+17
| | | | | | | | | | | | Empty unions are not accepted by the ISO C99 grammar or by at least some versions of Sun Studio. Reported by Wolfgang S. Kechel at <http://lists.gnu.org/archive/html/bug-bison/2011-08/msg00003.html>. * NEWS (2.5.1): Document fix. * THANKS (Wolfgang S. Kechel): Add. * tests/existing.at (GNU Cim Grammar) (GNU pic (Groff 1.18.1) Grammar.): Remove empty %union. (cherry picked from commit 7451638148706f6317975db418cc78e488f420aa)
* global: remove unnecessary horizontal tabs.Joel E. Denny2011-07-2498-5424/+5447
| | | | | | | | | | | | | | | This change was made by applying emacs' untabify function to nearly all files in Bison's repository. Required tabs in make files, ChangeLog, regexps, and test code were manually skipped. Other notable exceptions and changes are listed below. * bootstrap: Skip because we sync this with gnulib. * data/m4sugar/foreach.m4 * data/m4sugar/m4sugar.m4: Skip because we sync these with Autoconf. * djgpp: Skip because I don't know how to test djgpp properly, and this code appears to be unmaintained anyway. * README-hacking (Hacking): Specify that tabs should be avoided where not required.
* build: avoid YACC typo inherited from Autoconf.Joel E. Denny2011-07-104-2/+19
| | | | | | | | | | | | The typo shows up in the `configure --help' output. Reported by W.C.A. Wijngaards and Paul Eggert at <http://lists.gnu.org/archive/html/bug-bison/2011-07/msg00000.html>. * README-hacking (Release Procedure): Remind about updating maintainer tools before a release. * THANKS (W.C.A. Wijngaards): Add. * configure.ac (AC_PREREQ): Set to 2.68, which fixes the YACC typo. (cherry picked from commit 845346b3bb526d0f18878f15d906f05205b5c618)
* build: create xz instead of bzip2 tarballs.Joel E. Denny2011-07-103-2/+11
| | | | | | | | | Suggested by Jim Meyering at <http://lists.gnu.org/archive/html/bug-bison/2011-06/msg00012.html>. * README-hacking (Release Procedure): Update example. * configure.ac (AM_INIT_AUTOMAKE): Replace dist-bzip2 with dist-xz. (cherry picked from commit abd189e8dc6ca848f038da12e4110d6192374b82)
* doc: clean up references to `Locations Overview'.Joel E. Denny2011-06-112-3/+11
| | | | | | | | * doc/bison.texinfo (Locations Overview): Rename node to... (Locations): ... this, which is its section name. Update menus to match that and not to use the title `Tracking Locations', which is a different section. (cherry picked from commit 8348436580ae3db8091f564e8b24d552a9d23590)
* doc: clean up references to `Tracking Locations'.Joel E. Denny2011-06-112-56/+66
| | | | | | | | | | | | | | | * doc/bison.texinfo (Locations): Rename node to... (Tracking Locations): ... this, which is its section name, and update all cross references. The trouble is that there is another node about locations. Its section name is `Locations', which was easily confused with the node name of this node. Moreover, its node name is `Locations Overview', which was mistakenly used to label some cross references to this node. (cherry picked from commit 7404cdf3a1235c4f7304c29b942ac72029600f19) Conflicts: doc/bison.texinfo
* doc: clean up `Named References' a little.Joel E. Denny2011-06-112-20/+32
| | | | | | | | | | * doc/bison.texinfo (Named References): Rename section to match the node name, and update all cross references. Don't use the acronyms RHS and LHS given that we don't expand them anywhere in the manual. Try to use @samp and @code properly. Mention that named references are experimental as we've already stated in NEWS. (Destructor Decl): Expand the only remaining use of RHS or LHS. (cherry picked from commit ce24f7f59b9ececb3137a53a881e25fa28e19466)
* doc: motivate named references.Joel E. Denny2011-06-112-6/+19
| | | | | | | | Suggested by Hans Aberg at <http://lists.gnu.org/archive/html/bug-bison/2011-05/msg00008.html>. * doc/bison.texinfo (Named References): Explain briefly how they're better than the traditional positional references. (cherry picked from commit 7d31f0928907ccdd647479075d385b5a36c62611)
* doc: discuss named references after locations.Joel E. Denny2011-06-113-89/+102
| | | | | | | | | | | | Reported by Hans Aberg at <http://lists.gnu.org/archive/html/bug-bison/2011-05/msg00008.html>. * NEWS (2.5.1): Document. * doc/bison.texinfo (Named References): Because it discusses locations in addition to semantic values, move this subsection out of the section `Defining Language Semantics', where locations have not yet been introduced, to be a new section after the following section, `Tracking Locations'. (cherry picked from commit 908c8647de654d4ab0944ecef7811af1d736742b)
* Prepare for the possibility of a 2.5.1 release.Joel E. Denny2011-06-112-0/+7
| | | | | | | | | * NEWS (2.5.1): New heading. (cherry picked from commit 90dcd4156ccab3d704d9ff2771b9ce7791e3ffc4) Conflicts: NEWS
* Version 2.5.Joel E. Denny2011-05-142-2/+7
| | | | | | | | | * NEWS (2.5): Set date. (cherry picked from commit b2bc8a1ba001669ad12b15d39ec425e81b41e778) Conflicts: NEWS
* Don't use IF_LINT in Bison sources.Joel E. Denny2011-05-145-13/+35
| | | | | | | | | | | | | | | | | | | | | It creates unnecessary differences between the sources that Bison maintainers build and test (given that maintainers normally configure with --enable-gcc-warnings) and the sources that Bison users build. Instead, use PACIFY_CC, which doesn't. This change fixes compiler warnings reported by Tys Lefering at <http://lists.gnu.org/archive/html/bison-patches/2011-05/msg00004.html>. * configure.ac: Don't AC_DEFINE lint regardless of the configure options. This change affects imported gnulib sources, where IF_LINT still appears and depends on lint. * src/scan-gram.l, src/scan-skel.l: Replace uses of IF_LINT with PACIFY_CC. * src/system.h (IF_LINT): Remove cpp macro. (PACIFY_CC): New cpp macro. (cherry picked from commit 77bb73e7af76ef5180b22c3b8355aaff1f498f68) Conflicts: src/scan-gram.l
* Fix precedence for end token.Joel E. Denny2011-05-014-5/+32
| | | | | | | | | | | | Since Bison 2.3b, which restored the ability of precedence directives to assign user token numbers, doing so for user token number 0 has produced an assertion failure. * NEWS (2.5): Document fix. * src/symtab.c (symbol_user_token_number_set): In the case of the end token, don't decrement ntokens if it was never incremented. * tests/regression.at (Token number in precedence declaration): Extend. (cherry picked from commit 9d6af153184eea964fef7f87d76a60fe29f715b5)
* Pacify -DGNULIB_POSIXCHECK.Joel E. Denny2011-05-0112-17/+63
| | | | | | | | | | | | | | | | | | | | | | | | * bootstrap.conf (gnulib_modules): Add all modules suggested by -DGNULIB_POSIXCHECK. * src/files.c (file_name_split) * src/getargs.c (getargs) * src/location.c (boundary_set_from_string) * src/output.c (output_skeleton) * src/parse-gram.y (prologue_declaration) * src/scan-gram.l (handle_syncline) * src/symtab.c (symbol_new): Use mbschr and mbsrchr instead of strchr and strrchr. In the cases of command-line options, file names, and thus locations, functionality may be improved. In the case of symbol names, there should be no functional difference as all characters are ASCII, so the intended benefit is just warning suppression. (cherry picked from commit d143e9c33f07e1a9966c10077f43e2f81232bf6c) Conflicts: src/output.c src/parse-gram.c src/parse-gram.h
* * NEWS (2.5): Fix minor typos.Joel E. Denny2011-05-012-2/+6
| | | | (cherry picked from commit 723206df6f4be135a708a4509ba99da5a256224e)
* doc: clean up quotation style in NEWS.Joel E. Denny2011-05-012-11/+19
| | | | | | | | * NEWS (2.5): For multi-character tokens in example grammar rules, use "token" not 'token'. In English, use a consistent quotation style; we might as well follow the precedent seen in info pages: `quote' not "quote". (cherry picked from commit ac3297d501e9b74a11095d966bb8e5aa6fcf0ff4)
* tests: pacify gcc 4.6.0's -Wunused-but-set-variable.Joel E. Denny2011-04-162-1/+10
| | | | | | | | | Reported by Jim Meyering at <http://lists.gnu.org/archive/html/bug-bison/2011-04/msg00002.html>. * tests/actions.at (Default %printer and %destructor for mid-rule values): Define YYLLOC_DEFAULT so that it uses its Rhs argument. (cherry picked from commit c9e2da4f20c97c4cb53b68d4912dbdb8836df9a4)
* glr.c: omit yyresolveLocations when locations are disabled.Joel E. Denny2011-04-162-4/+17
| | | | | | | | | | | | | This prevents gcc 4.6.0's -Wunused-but-set-variable from warning about yyresolveLocations's local yyrhsloc. When locations are enabled, there's no such warning because YYLLOC_DEFAULT then uses yyrhsloc. Reported by Jim Meyering at <http://lists.gnu.org/archive/html/bug-bison/2011-04/msg00002.html>. * data/glr.c (yyresolveLocations): Omit definition when locations are disabled. (yyresolveValue): Omit yyresolveLocations invocation when locations are disabled. (cherry picked from commit 55dd35633675f588c58ead46ecd6b5f4db504192)
* gnulib, autoconf: update.Joel E. Denny2011-04-1615-59/+157
| | | | | | | | | | | | | | | | | | | | | | * README-hacking (Updating a submodule): Give advice on how to determine the versions of gnulib and autoconf to which we should update. (Release Procedure): Note that submodules should be updated. * bootstrap.conf (gnulib_modules): Rename pipe to spawn-pipe as suggested in updated gnulib NEWS. * gnulib: Choose a stable snapshot according to advice in Bison's README-hacking. * po/POTFILES.in (lib/pipe.c): Rename to... (lib/spawn-pipe.c): ... this. * src/output.c: Update to include spawn-pipe.h. * submodules/autoconf: Update to latest for improvement in m4.m4 that excludes M4 with buggy strstr. The only other changes to files that we use are copyright updates. (cherry picked from commit a898435b25eca4869e8c49b2b0fb1f649b030ce7) Conflicts: build-aux/.gitignore
* Fix missing updates to GPLv3.Joel E. Denny2011-04-093-14/+17
| | | | | | | Reported by Tys Lefering at <http://lists.gnu.org/archive/html/bison-patches/2011-04/msg00000.html>. * src/print-xml.c, src/print-xml.h: In these files. (cherry picked from commit fea2d6b0975a5b92dfc13b72e2b1d147e8d4a1b6)
* Add -Wconflicts-sr and -Wconflicts-rr.Joel E. Denny2011-04-0910-5/+192
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Thus, conflict reports are now affected by -Werror and -Wnone (unless %expect or %expect-rr is specified). Reported by George Neuner at <http://lists.gnu.org/archive/html/bug-bison/2010-08/msg00002.html>. * NEWS (2.5): Document. * doc/bison.texinfo (Bison Options): Document. * src/complain.c, src/complain.h (set_warning_issued): Export function. * src/conflicts.c (conflicts_print): Suppress conflict report based on -Wno-conflicts-sr and -Wno-conflicts-rr, and treat conflicts as errors if -Werror. * src/getargs.c (warnings_flag): Initialize with warnings_conflicts_sr and warnings_conflicts_rr as well. (warnings_args, warnings_types): Add entries for warnings_conflicts_sr and warnings_conflicts_rr. (usage): Update. * src/getargs.h (enum warnings): Add entries for warnings_conflicts_sr and warnings_conflicts_rr. * tests/conflicts.at (-W versus %expect and %expect-rr): New test group. * tests/local.at (AT_BISON_CHECK_NO_XML): Update now that the conflict report can produce a "warnings being treated as errors" message. Also, check that stderr is now fully scrubbed by -Wnone when the exit status is 0. (cherry picked from commit 6f8bdce25df5669b0b200c2a3848a1c08a44eb79)
* Pacify maintainer-check-posix.Joel E. Denny2011-04-092-72/+78
| | | | | | | | | | Adding command-line options after the grammar file name is not permitted, so disable checks that do that when maintainer-check-posix is running. * tests/local.at (AT_BISON_CHECK_NO_XML): Don't run the problematic checks when POSIXLY_CORRECT=1. Also, for readability, remove an unnecessary m4_if. (cherry picked from commit fc7ce9970f2972443c1a031c91ffef2dfdf28651)
* Add -Wother so -Wnone suppresses all warnings.Joel E. Denny2011-04-0911-31/+133
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reported by George Neuner at <http://lists.gnu.org/archive/html/bug-bison/2010-08/msg00002.html>. * NEWS (2.5): Document. * THANKS (George Neuner): Add. * doc/bison.texinfo (Bison Options): Document. * src/complain.c, src/complain.h (warn_at, warn_at_indent, warn): Suppress warning if -Wno-other. (midrule_value_at): New warning function, similar to yacc_at in that it's controlled by its own warning category. * src/getargs.c (warnings_flag): Initialize to warnings_other. (warnings_args, warnings_types): Add entry for warnings_other. (usage): Update. * src/getargs.h (enum warnings): Add entry for warnings_other. * src/gram.c (grammar_rules_useless_report): If -Wno-other, then don't print useless rules. * src/reader.c (symbol_should_be_used): Rather than adjusting the return value based on whether midrule value warnings are enabled, accept a new parameter for telling the caller whether true is being returned for a potential midrule warning. (grammar_rule_check): Use midrule_value_at for midrule value warnings, and continue to use warn_at for all other warnings. Let them check whether the warnings are enabled. * tests/local.at (AT_BISON_CHECK): Update documentation. (AT_BISON_CHECK_NO_XML): Check that -Wnone and --warnings=none disable all warnings exercised in the test suite. (cherry picked from commit 8ffd7912e3b71fb0cc69e83225c3ad8e3452270f)
* Don't let -Wnone disable -Werror.Joel E. Denny2011-04-094-17/+72
| | | | | | | | | | | | Discussed at <http://lists.gnu.org/archive/html/bison-patches/2010-08/msg00009.html>. * NEWS (2.5): Document. * src/getargs.c (flags_argmatch): Accept a new argument that specifies what flags "all" and thus "none" affect. (FLAGS_ARGMATCH): Update flags_argmatch invocation. * tests/input.at (-Werror is not affected by -Wnone and -Wall): New test group. (cherry picked from commit dab9663283437092d17af8ede75f3aff33380d53)
* * NEWS (2.5): Document fix for -Wno-KEY.Joel E. Denny2011-04-092-0/+13
| | | | (cherry picked from commit 248dba53cb3a33b6cea83050263080f6f000fbfe)
* doc: fix confusing citation of LAC publication.Joel E. Denny2011-03-202-4/+9
| | | | | | Suggested by Akim Demaille. * doc/bison.texinfo (LAC): Here. (cherry picked from commit 56706c6167f1cbfde3f48ea63ce6eaa56369f971)
* lr.default-reductions: rename "full" value to "most".Joel E. Denny2011-03-207-14/+28
| | | | | | | | | | | | | | Unlike "consistent" and "accepting", "full" doesn't answer the question of "which states". * doc/bison.texinfo (%define Summary): Update. (Default Reductions): Update. * src/print.c (print_reductions): Update. * src/reader.c (prepare_percent_define_front_end_variables): Update. * src/tables.c (action_row): Update. * tests/input.at (%define enum variables): Update. * tests/reduce.at (%define lr.default-reductions): Update. (cherry picked from commit a6e5a28079865c4924194685723962f198fd33ff)
* * src/parse-gram.c, src/parse-gram.h: Regenerate.Joel E. Denny2011-03-133-249/+281
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* named references: fix double free.candidates/named-ref-freeAkim Demaille2011-03-098-8/+65
| | | | | | | | | | | | | | | | | | | | | In `rhs[name]: "a" | "b"', do not free "name" twice. Reported by Tys Lefering. <http://lists.gnu.org/archive/html/bug-bison/2010-06/msg00002.html> * src/named-ref.h, src/named-ref.c (named_ref_copy): New. * src/parse-gram.y (current_lhs): Rename as... (current_lhs_symbol): this. (current_lhs): New function. Use it to free the current lhs named reference. * src/reader.c: Bind lhs to a copy of the current named reference. * src/symlist.c: Rely on free (0) being valid. * tests/named-refs.at: Test this. (cherry picked from commit 8f462efe923947cc4e72deea5b0fa93a5f88000d) Conflicts: src/parse-gram.y
* tests: style changes.Akim Demaille2011-03-092-79/+57
| | | | | * tests/named-refs.at (Redundant words in LHS brackets) (Unresolved references): here.
* java: fix parser tracing bug.Joel E. Denny2011-03-063-1/+10
| | | | | | | * NEWS (2.5): Document. * data/lalr1.java (YYParser::YYStack::print): Don't skip top element. (cherry picked from commit f0e2c228a085196742250b3f394bb5ed55ac4d7c)
* java: finish fixing parser stack popping bug.Joel E. Denny2011-03-063-3/+16
| | | | | | | | | | | | * NEWS (2.5): Document. * data/lalr1.java (YYParser::YYStack::pop): Fix off-by-one error in clearing the location stack. Also fix pop function that accepts no arguments. (cherry picked from commit 4c2a6e42ba8b6bc4e04985f5ef3ec8926048d4b1) Conflicts: data/lalr1.java
* java: fix parser stack popping bug.Angelo Borsotti2011-03-063-1/+12
| | | | | | | | | | | | | | Reported at <http://lists.gnu.org/archive/html/bug-bison/2011-02/msg00005.html>. * THANKS (Angelo Borsotti): Add. * data/lalr1.java (YYParser::YYStack::pop): Fix off-by-one error in clearing the value stack. Previously, the top element of the stack wasn't cleared and so the value was not garbage collected. (cherry picked from commit 6f75992be50b83a084f955f63e5c35ccc8705f08) Conflicts: data/lalr1.java
* doc: cite publication for LAC.Joel E. Denny2011-03-062-0/+10
| | | | | * doc/bison.texinfo (LAC): Here. (cherry picked from commit 121c498280f96b31a1f90e2012751509e6358a64)
* doc: clean up terminology for mysterious conflicts.Joel E. Denny2011-03-062-12/+21
| | | | | | | | | * doc/bison.texinfo (Mystery Conflicts): Rename node to... (Mysterious Conflicts): ... this, which is already the section title and the name used in the index. Update all cross-references to this node. Also, don't imply that R/R conflicts are the only kind of mysterious conflict. (cherry picked from commit 5da0355aff4de57e96aba7b788c376fc779d83b1)
* lr.default-reductions: rename "all" value to "full".Joel E. Denny2011-03-067-17/+29
| | | | | | | | | | | | | | States that shift the error token do not have default reductions, and GLR disables some default reductions, so "all" was a misnomer. * doc/bison.texinfo (%define Summary): Update. (Default Reductions): Update. * src/print.c (print_reductions): Update. * src/reader.c (prepare_percent_define_front_end_variables): Update. * src/tables.c (action_row): Update. * tests/input.at (%define enum variables): Update. * tests/reduce.at (%define lr.default-reductions): Update. (cherry picked from commit d815ec4a6290e18fac9220438622f6dd27b3227f)
* doc: create a new Tuning LR section in the manual.Joel E. Denny2011-03-063-316/+545
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | And clean up all other documentation of the features described there. * NEWS (2.5): Tweak wording of lr.type and parse.lac entries a bit, update the cross-references to the manual, and point out that LAC has caveats. Don't be so adamant that IELR+LAC=canonical LR. That is, as the referenced section in the manual documents, LAC does not fix infinite parsing loops on syntax errors. * doc/bison.texinfo: Consistently drop the "(1)" suffix from LALR, IELR, and LR in @cindex. (%define Summary): Condense the entries for lr.default-reductions, lr.keep-unreachable-states, lr.type, and parse.lac into brief summaries, and cross-reference the appropriate subsections of Tuning LR. For parse.lac, mention that it's only implemented for deterministic parsers in C. In parse.error entry, mention LAC, and add cross-reference to the LAC section. (Error Reporting): When mentioning parse.error, mention LAC, and add cross-reference to the LAC section. (Tuning LR): New section with an extended version of the documentation removed from %define Summary. Change all cross-references in the manual to point here instead of there. (Calc++ Parser): When mentioning parse.error, mention LAC, and add cross-reference to the LAC section. (Table of Symbols): In %error-verbose entry, add cross-reference to Error Reporting. (Glossary): Capitalize entry titles consistently. Add definitions for "defaulted state" and "unreachable state". Expand IELR acronym in IELR's entry. (cherry picked from commit 6f04ee6c78ba01f9d8e02dbe2baace0c3bd8f4fd) Conflicts: doc/bison.texinfo
* doc: add bibliography to manual.Joel E. Denny2011-02-202-11/+53
| | | | | | | | | * doc/bison.texinfo (Mystery Conflicts): Cross-reference bibliography instead of citing publications directly. (Generalized LR Parsing): Likewise. (Bibliography): New section. Not all entries are cross-referenced yet, but that will come in future patches. (cherry picked from commit 71caec06614dc68d58229dd4e275c8c641df23ac)
* java: test and document previous bug fix.Joel E. Denny2011-02-193-32/+47
| | | | | | | | | | * NEWS (2.5): Document it. * tests/java.at (_AT_DATA_JAVA_CALC_Y): To one of the yyerror invocations, pass a location that spans multiple tokens. Change yyerror to report all of a location rather than just the begin position. Extend yylex and Position to count tokens on a line. Remove getHashCode as it's unused. Update all expected output. (cherry picked from commit 7776816565040879b3b095130a772c06585daeeb)
* java: fix location handling bug.Bernd Kiefer2011-02-193-1/+11
| | | | | | | | | Reported at <http://lists.gnu.org/archive/html/bison-patches/2011-02/msg00005.html>. * data/lalr1.java (YYParser::yylloc): For non-empty RHS, fix reversed access to location stack. * THANKS (Bernd Kiefer): Add. (cherry picked from commit 8db68289d1162b763606fe5271a7529408224d38)
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