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authorPaolo Bonzini <bonzini@gnu.org>2010-10-31 22:56:15 +0100
committerPaolo Bonzini <bonzini@gnu.org>2010-10-31 22:56:30 +0100
commit9d5308764567707a70755de5357eb0ebfa126c0d (patch)
treede2f64650ecd6fbcf82949ca131627420f5fb404
parent311bd56c6c9427fd6f565851542b0a51ee820005 (diff)
downloadsed-9d5308764567707a70755de5357eb0ebfa126c0d.tar.gz
2010-10-31 Gerald Pfeifer <gerald@pfeifer.com>
* doc/sed-in.texi (Extended regexps): Add '|' to the list of differences. Note that "\|" is a GNU extension to begin with.
-rw-r--r--ChangeLog5
-rw-r--r--doc/sed-in.texi10
2 files changed, 11 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog
index 6943925..fa01d68 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-10-31 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/sed-in.texi (Extended regexps): Add '|' to the list of
+ differences. Note that "\|" is a GNU extension to begin with.
+
2010-10-20 Paolo Bonzini <bonzini@gnu.org>
* autoboot.conf: Add fwriting.
diff --git a/doc/sed-in.texi b/doc/sed-in.texi
index 1364100..9e7d806 100644
--- a/doc/sed-in.texi
+++ b/doc/sed-in.texi
@@ -2826,10 +2826,12 @@ the @env{LC_COLLATE} and @env{LC_CTYPE} environment variables to @samp{C}.
The only difference between basic and extended regular expressions is in
the behavior of a few characters: @samp{?}, @samp{+}, parentheses,
-and braces (@samp{@{@}}). While basic regular expressions require
-these to be escaped if you want them to behave as special characters,
-when using extended regular expressions you must escape them if
-you want them @emph{to match a literal character}.
+braces (@samp{@{@}}), and @samp{|}. While basic regular expressions
+require these to be escaped if you want them to behave as special
+characters, when using extended regular expressions you must escape
+them if you want them @emph{to match a literal character}. @samp{|}
+is special here because @samp{\|} is a GNU extension -- standard
+basic regular expressions do not provide its functionality.
@noindent
Examples: