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* maint: update copyright datesJim Meyering2023-01-011-1/+1
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* maint: make update-copyrightJim Meyering2022-01-011-1/+1
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* maint: run "make update-copyright"Paul Eggert2021-01-011-1/+1
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* maint: update all copyright year number rangesJim Meyering2020-01-011-1/+1
| | | | | | | | Run "make update-copyright" and then... * gnulib: Update to latest with copyright year adjusted. * tests/init.sh: Sync with gnulib to pick up copyright year. * bootstrap: Likewise. * doc/grep.in.1: Use "-" in copyright year ranges, not \en.
* doc: spell "back-reference" more consistentlyPaul Eggert2019-12-301-1/+1
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* maint: update all copyright dates via "make update-copyright"Jim Meyering2019-01-011-1/+1
| | | | * gnulib: Also update submodule for its copyright updates.
* maint: update gnulib and copyright dates for 2018Jim Meyering2018-01-061-1/+1
| | | | | | * gnulib: Update to latest. * all files: Run "make update-copyright". * bootstrap: Update from gnulib.
* maint: update gnulib and copyright dates for 2017Jim Meyering2017-01-011-1/+1
| | | | | * gnulib: Update to latest. * all files: Run "make update-copyright".
* maint: update copyright year, bootstrap, init.shJim Meyering2016-01-011-1/+1
| | | | | | | | Run "make update-copyright" and then... * gnulib: Update to latest. * tests/init.sh: Update from gnulib. * bootstrap: Likewise.
* maint: update copyright year ranges to include 2015Jim Meyering2015-01-011-1/+1
| | | | | Run "make update-copyright". Also, ... * grep.texi: Update manually, converting each "--" to "-".
* grep -P: fix it so backreferences now work with -w and -xStephane Chazelas2014-02-241-0/+28
To implement -w and -x, we bracket the search term with parentheses. However, that set of parentheses had the default semantics of "capturing", i.e., creating a backreferenceable matched quantity. Instead, use (?:...), to create a non-capturing group. * src/pcresearch.c (Pcompile): Use (?:...) rather than (...). * NEWS (Bug fixes): Mention it. * tests/pcre-wx-backref: New file. * tests/Makefile.am (TESTS): Add it. This addresses http://debbugs.gnu.org/16865
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