From: Akim Demaille <akim@epita.fr>
Date: Thu, 25 Apr 2002 09:14:39 +0000 (+0000)
Subject: * doc/autoconf.texi (Limitations of Usual Tools): sed and `!'.
X-Git-Tag: AUTOCONF-2.53b~99
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=21011a0300a528bb3ee4b099d1854da4b7a1d1a1;p=thirdparty%2Fautoconf.git

* doc/autoconf.texi (Limitations of Usual Tools): sed and `!'.
Thanks to Paul Eggert.
---

diff --git a/ChangeLog b/ChangeLog
index 3c38e99e4..0aacf5087 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2002-04-25  Akim Demaille  <akim@epita.fr>
+
+	* doc/autoconf.texi (Limitations of Usual Tools): sed and `!'.
+	Thanks to Paul Eggert.
+
 2002-04-25  Akim Demaille  <akim@epita.fr>
 
 	* lib/autoconf/general.m4 (_AC_INIT_DEFAULTS): Let ac_subst_files
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 0ed6ad184..d0ab36ac4 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -9885,6 +9885,18 @@ matched''.  All descendants of Bell Lab's V7 @command{sed} (at least; we
 don't have first hand experience with older @command{sed}s) have
 supported it.
 
+@sc{posix} requires that you must not have any white space between
+@samp{!}  and the following command.  It is OK to have blanks between
+the address and the @samp{!}.  For instance, on Solaris 8:
+
+@example
+$ @kbd{echo "foo" | sed -n '/bar/ ! p'}
+@error{}Unrecognized command: /bar/ ! p
+$ @kbd{echo "foo" | sed -n '/bar/! p'}
+@error{}Unrecognized command: /bar/! p
+$ @kbd{echo "foo" | sed -n '/bar/ !p'}
+foo
+@end example
 
 @item @command{sed} (@samp{t})
 @c ---------------------------