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grep branch, master, updated. v2.21-9-g4aed929

From: Paul Eggert
Subject: grep branch, master, updated. v2.21-9-g4aed929
Date: Tue, 16 Dec 2014 07:10:08 +0000

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The branch, master has been updated
       via  4aed929ac46fae52b47990190d3ffa16fae233b0 (commit)
      from  0c5f86f38ea20887cfec0c914b06ff92551b042e (commit)

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- Log -----------------------------------------------------------------

commit 4aed929ac46fae52b47990190d3ffa16fae233b0
Author: Paul Eggert <address@hidden>
Date:   Mon Dec 15 23:09:27 2014 -0800

    doc: document binary-data heuristic better
    Problem reported by Martin Hoch in:
    * doc/grep.texi (File and Directory Selection):
    Document what non-text bytes are.
    (Usage): Fix cross reference.

diff --git a/doc/grep.texi b/doc/grep.texi
index 63016bd..acd5be8 100644
--- a/doc/grep.texi
+++ b/doc/grep.texi
@@ -596,6 +596,11 @@ If a file's allocation metadata,
 or if its data read before a line is selected for output,
 indicate that the file contains binary data,
 assume that the file is of type @var{type}.
+Non-text bytes indicate binary data; these are either data bytes
+improperly encoded for the current locale, or null bytes when the
address@hidden (@option{--null-data}) option is not given (@pxref{Other
 By default, @var{type} is @samp{binary},
 and @command{grep} normally outputs either
 a one-line message saying that a binary file matches,
@@ -1721,8 +1726,8 @@ Standard grep cannot do this, as it is fundamentally 
 Therefore, merely using the @code{[:space:]} character class does not
 match newlines in the way you might expect.
-With the GNU @command{grep} option @code{-z} (@pxref{File and
-Directory Selection}), the input is terminated by null bytes.  Thus,
+With the GNU @command{grep} option @option{-z} (@option{--null-data}), each
+input ``line'' is terminated by a null byte; @pxref{Other Options}.  Thus,
 you can match newlines in the input, but typically if there is a match
 the entire input is output, so this usage is often combined with
 output-suppressing options like @option{-q}, e.g.:


Summary of changes:
 doc/grep.texi |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)


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