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Ian Lance Taylor 9967582f77 regexp/syntax: update perl script to preserve \s behavior
Incorporate https://code-review.googlesource.com/#/c/re2/+/3050/ from
the re2 repository. Description of that change:

    Preserve the original behaviour of \s.

    Prior to Perl 5.18, \s did not match vertical tab. Bake that into
    make_perl_groups.pl as an override so that perl_groups.cc retains
    its current definitions when rebuilt with newer versions of Perl.

This fixes make_perl_groups.pl to generate an unchanged perl_groups.go
with perl versions 5.18 and later.

Fixes #22057

Change-Id: I9a56e9660092ed6c1ff1045b4a3847de355441a7
Reviewed-on: https://go-review.googlesource.com/103517
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-03-29 22:31:57 +00:00
.github github: update Pull Request template 2018-02-21 02:07:46 +00:00
api syscall: support Getwd on all BSDs 2018-02-13 15:41:19 +00:00
doc doc: update 1.9.5 release notes to include net/http/pprof 2018-03-29 01:26:37 +00:00
lib/time all: use HTTPS for iana.org links 2018-02-13 18:36:48 +00:00
misc all: enable c-shared/c-archive support for freebsd/amd64 2018-03-21 21:56:20 +00:00
src regexp/syntax: update perl script to preserve \s behavior 2018-03-29 22:31:57 +00:00
test test/codegen: match 387 ops too for GOARCH=386 2018-03-29 20:05:40 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: update my name and spelling 2018-02-21 04:12:57 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS C: add Filippo Valsorda's @golang.org email 2018-03-12 22:29:04 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
PATENTS
README.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
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