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* NEWS: Document this.
* src/dfa.c (MIN): New macro.
(lex): Lexically analyze the repeat-count operator once, not
twice; the double-scan complicated the code and made it harder to
understand and fix. Adjust the repeat-count parsing so that it
better matches the behavior of the regex code, in three ways:
1. Diagnose too-large repeat counts rather than treating them as
literal characters. 2. Use RE_INVALID_INTERVAL_ORD, not
RE_NO_BK_BRACES, to decide whether to treat invalid-syntax {...}s
as literals. 3. Use the same wording for {...}-related
diagnostics that the regex code uses.
* tests/bre.tests, tests/ere.tests, tests/repetition-overflow:
Adjust to match new behavior, and add a few tests.
* cfg.mk (exclude_file_name_regexp--sc_error_message_uppercase):
New macro, since the diagnostics start with uppercase letters.
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* tests/spencer1.awk: Use only lines with 3 fields.
* tests/spencer1.tests: Disable #55 for now.
* tests/ere.tests, tests/bre.tests: Add "TO CORRECT" to disabled
tests which had empty $4.
* tests/backref.sh: Modify #2 so that current glibc regex can
handle it in finite time.
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* src/Makefile.am, po/Makefile.in.in: Support DESTDIR properly
* tests/bre.tests: Add fix from
Peter Breitenlohner <peb@mppmu.mpg.de>
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Bugfixes
Accept a patch from Paul to make egrep == grep -E.
added new tests
* NEWS: egrep is now equivalent to `grep -E'.
The lower bound of an interval is not optional.
You can specify a matcher multiple types without error.
-u and -U are now allowed on non-DOS hosts, and have no effect.
* doc/grep.texi: Likewise.
* doc/grep.1: Likewise.
Fix some troff bugs that prevented `groff' from rendering the page.
* src/egrepmat.c, src/fgrepmat.c, src/grepmat.c (default_matcher):
Remove.
(matcher): Add.
* src/grep.h (default_matcher): Remove.
(matcher): Now exported from ?grepmat.c, not grep.c.
* src/dfa.c (lex): If { would start an invalid interval specification,
* src/grep.c (short_options): New constant.
(long_options, main): -u and -U are now supported on Unix,
with no effect.
(matcher): Removed; now defined by ?grepmat.c.
(install_matcher): Renamed from setmatcher.
(setmatcher): New function.
(usage): Report new, more uniform option scheme.
(main): Do not initialize matcher; ?grepmat.c now does this.
Rely on setmatcher to catch matcher conflicts.
Default matcher is "grep".
* src/search.c (matchers):
Remove "posix-egrep" matcher; no longer needed.
(Ecompile): Likewise.
The egrep matcher now has POSIX behavior.
* tests/bre.tests: grep '\{' is no longer an error.
Fix test for interval too large, and enable it.
* tests/ere.tests: grep -E {1 is no longer an error
Likewise for a{1, a{1a, a{1a}, a{1,x}.
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update the script
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