Jim Meyering <[EMAIL PROTECTED]> writes:
> * doc/autoconf.texi
> (Limitations of Usual Tools): Also list \< and \>, and mention that
> HP-UX's grep, like the one from Solaris, does not support that syntax.
Thanks. I added the other GNU escape sequences, too, as follows:
2007-03-19 Paul Eggert <[EMAIL PROTECTED]>
* doc/autoconf.texi (Limitations of Usual Tools): Warn about other
nonstandard grep R.E. escape sequences.
--- doc/autoconf.texi 17 Mar 2007 09:13:54 -0000 1.1137
+++ doc/autoconf.texi 19 Mar 2007 18:13:32 -0000
@@ -13563,7 +13563,9 @@ escape characters in the string @samp{$(
alternation, @samp{\|}, is common but Posix does not require its
support in basic regular expressions, so it should be avoided in
portable scripts. Solaris and HP-UX @command{grep} do not support it.
-Similarly, @samp{\<}, @samp{\>}, @samp{\+} and @samp{\?} should be avoided.
+Similarly, the following escape sequences should also be avoided:
[EMAIL PROTECTED]<}, @samp{\>}, @samp{\+}, @samp{\?}, @samp{\`}, @samp{\'},
[EMAIL PROTECTED], @samp{\b}, @samp{\S}, @samp{\s}, @samp{\W}, and @samp{\w}.
@item @command{join}
