* doc/autoconf.texi (Limitations of Usual Tools): sed -e ''

fails on AIX 5.3.

diff --git a/ChangeLog b/ChangeLog
index bf84bebfb59d974e59daf72f7df71bdb75eb4627..46de1ab9d9717ec5fa2a3dd5959a68d894c2060a 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-06-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+       and Paul Eggert  <eggert@cs.ucla.edu>
+
+       * doc/autoconf.texi (Limitations of Usual Tools): sed -e ''
+       fails on AIX 5.3.
+
 2007-06-17  Noah Misch  <noah@cs.caltech.edu>
 
        * lib/autotest/general.m4 (AT_INIT): Handle absolute `srcdir'.

diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 1a663f6e59e9cb484de704fc2ba4d5401759a071..129db554ec30c991f841ee59b170a1a4ad15245e 100644 (file)
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -13933,9 +13933,11 @@ $ @kbd{echo '1*23*4' | /usr/xpg4/bin/sed 's/\(.\)*/x/g'}
 x
 @end example
 
-The @option{-e} option is portable, so long as its argument
-does not begin with @samp{a}, @samp{c}, or @samp{i}
-(as this runs afoul of a Tru64 5.1 bug).
+The @option{-e} option is mostly portable.
+However, its argument
+cannot start with @samp{a}, @samp{c}, or @samp{i},
+as this runs afoul of a Tru64 5.1 bug.
+Also, its argument cannot be empty, as this fails on @acronym{AIX} 5.3.
 Some people prefer to use @samp{-e}:
 
 @example