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* tests: fix test -eq problemPaul Eggert2023-01-151-1/+1
| | | | | Do not use ‘test "" -eq 1’ when get-mb-cur-max fails, as Bash complains about this. Problem found on AIX.
* 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.
* 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 URLsPaul Eggert2018-04-211-1/+1
| | | | | Mostly this is just changing http: to https:. In one or two places it removes no-longer-useful URLs.
* 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 "-".
* fgrep: fix case-fold incompatibility with plain 'grep'Paul Eggert2014-03-071-0/+4
| | | | | | | | | | | | | | | fgrep converted to lowercase, whereas the regex code converted to uppercase. The resulting behaviors don't agree in offbeat cases like Greek sigmas and Turkish Is. Fix this by changing fgrep to agree with the regex code. * src/kwsearch.c (Fcompile, Fexecute): * src/searchutils.c (kwsinit, mbtoupper): Convert to uppercase, not to lowercase, for compatibility with plain 'grep'. * src/search.h, src/searchutils.c (mbtoupper): Rename from mbtolower, since it now converts to uppercase. All uses changed. * tests/case-fold-titlecase: Add tests for this.
* grep: fix case-fold mismatches between DFA and regexPaul Eggert2014-03-071-11/+156
| | | | | | | | | | | | | | | | | | | | | | The DFA code and the regex code didn't use the same semantics for case-folding. The regex code says that the data char d matches the pattern char p if uc (d) == uc (p). POSIX is unclear in this area; the simplest fix for now is to change the DFA code to agree with the regex code. See <http://bugs.gnu.org/16919>. * src/dfa.c (static_assert): New macro, if not already defined. (setbit_case_fold_c): Assume MB_CUR_MAX is 1 and that case_fold is nonzero; all callers changed. (setbit_case_fold_c, parse_bracket_exp, lex, atom): Case-fold like the regex code does. (lonesome_lower): New constant. (case_folded_counterparts): New function. (parse_bracket_exp): Prefer plain setbit when case-folding is not needed. * src/dfa.h (CASE_FOLDED_BUFSIZE): New constant. (case_folded_counterparts): New function decl. * src/main.c (trivial_case_ignore): Case-fold like the regex code does. (main): Try to improve comment re trivial_case_ignore. * tests/case-fold-titlecase: Add lots more test cases.
* grep: fix bugs with -i and titlecasePaul Eggert2014-02-281-0/+41
* NEWS: Document this. * src/dfa.c (setbit_wc): Simplify. (setbit_c): Remove; no longer used. (setbit_case_fold_c, parse_bracket_exp, atom): Don't mishandle titlecase. For 'atom', this removes the need for the refactoring of Bug#16729. (lex): Use the slower approach only for letters that have a differing case. * tests/case-fold-titlecase: New file. * tests/Makefile.am (TESTS): Add it.
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