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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.
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* gnulib: Also update submodule for its copyright updates.
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Mostly this is just changing http: to https:.
In one or two places it removes no-longer-useful URLs.
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* gnulib: Update to latest.
* all files: Run "make update-copyright".
* bootstrap: Update from gnulib.
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* tests/filename-lineno.pl: Derive the program name that grep
will use in diagnostics, based on a suggestion from Assaf Gordon.
* tests/in-eq-out-infloop: Similar: accept an arbitrary "command_name: "
prefix on checked diagnostics, rather than requiring "grep: ".
* tests/reversed-range-endpoints: Likewise.
* tests/write-error-msg: Likewise.
Reported by Bruno Haible in http://bugs.gnu.org/27532
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* gnulib: Update to latest.
* all files: Run "make update-copyright".
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Determining the file name and line number is a little tricky because
of the way the regular expressions are all concatenated onto a newline-
separated list. By the time grep would compile regular expressions,
the <filename,lineno> origin of each regexp was no longer available.
This patch adds a list of filename,first_lineno pairs, one per input
source, by which we can then map the ordinal regexp number to a
filename,lineno pair for the diagnostic.
* src/dfasearch.c (GEAcompile): When diagnosing an invalid regexp
specified via -f FILE, include the "FILENAME:LINENO: " prefix.
Also, when there are two or more lines with compilation failures,
diagnose all of them, rather than stopping after the first.
* src/grep.h (pattern_file_name): Declare it.
* src/grep.c: (struct FL_pair): Define type.
(fl_pair, n_fl_pair_slots, n_pattern_files, patfile_lineno):
Define globals.
(fl_add, pattern_file_name): Define functions.
(main): Call fl_add for each type of the following: -e argument,
-f argument, command-line-specified (without -e) regexp.
* tests/filename-lineno.pl: New file.
* tests/Makefile.am (TESTS): Add it.
* NEWS (Improvements): Mention this.
Initially reported by Gunnar Wolf in https://bugs.debian.org/525214
Forwarded to grep's bug list by Santiago Ruano Rincón as
http://debbugs.gnu.org/23965
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