newsgrep - News: grep-3.4 released [stable]

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grep-3.4 released [stable]

Item posted by Jim Meyering <meyering> on Thu 02 Jan 2020 10:32:07 PM UTC.

This is to announce grep-3.4, a stable release.
Special thanks to Paul Eggert and Norihiro Tanaka for their many fine contributions.

There have been 71 commits by 4 people in the 54 weeks since 3.3.

See the NEWS below for a brief summary.

Thanks to everyone who has contributed!
The following people contributed changes to this release:

  Jim Meyering (31)
  Norihiro Tanaka (5)
  Paul Eggert (34)
  Zev Weiss (1)

Jim [on behalf of the grep maintainers]

Here is the GNU grep home page:

For a summary of changes and contributors, see:;a=shortlog;h=v3.4
or run this command from a git-cloned grep directory:
  git shortlog v3.3..v3.4

To summarize the 819 gnulib-related changes, run these commands
from a git-cloned grep directory:
  git checkout v3.4
  git submodule summary v3.3

Here are the compressed sources and a GPG detached signature[*]:

Use a mirror for higher download bandwidth:

[*] Use a .sig file to verify that the corresponding file (without the
.sig suffix) is intact.  First, be sure to download both the .sig file
and the corresponding tarball.  Then, run a command like this:

  gpg --verify grep-3.4.tar.xz.sig

If that command fails because you don't have the required public key,
then run this command to import it:

  gpg --keyserver --recv-keys 7FD9FCCB000BEEEE

and rerun the 'gpg --verify' command.

This release was bootstrapped with the following tools:
  Autoconf 2.69.197-b8fd7-dirty
  Automake 1.16a
  Gnulib v0.1-3121-gc3c36de58


* Noteworthy changes in release 3.4 (2020-01-02) [stable]

** New features

  The new --no-ignore-case option causes grep to observe case
  distinctions, overriding any previous -i (--ignore-case) option.

** Bug fixes

  '.' no longer matches some invalid byte sequences in UTF-8 locales.
  [bug introduced in grep 2.7]

  grep -Fw can no longer false match in non-UTF-8 multibyte locales
  For example, this command would erroneously print its input line:
    echo ab | LC_CTYPE=ja_JP.eucjp grep -Fw b
  [Bug#38223 introduced in grep 2.28]

  The exit status of 'grep -L' is no longer incorrect when standard
  output is /dev/null.
  [Bug#37716 introduced in grep 3.2]

  A performance bug has been fixed when grep is given many patterns,
  each with no back-reference.
  [Bug#33249 introduced in grep 2.5]

  A performance bug has been fixed for patterns like '01.2' that
  cause grep to reorder tokens internally.
  [Bug#34951 introduced in grep 3.2]

** Build-related

  The build procedure no longer relies on any already-built src/grep
  that might be absent or broken.  Instead, it uses the system 'grep'
  to bootstrap, and uses src/grep only to test the build.  On Solaris
  /usr/bin/grep is broken, but you can install GNU or XPG4 'grep' from
  the standard Solaris distribution before building GNU Grep yourself.
  [bug introduced in grep 2.8]


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