In article <OFF0B3AB8C.18ACD713-ON65256CE6.002F7044@in.ibm.com> you write:
> I looked for a public domain version of the document and couldn't find
>one.
>the website is www.opengroup.org.
>The document is referred to as IEEE.1003.1-200x

That's now called IEEE Std 1003.1-2001 (amongst other names), and is
available from <http://www.opengroup.org/onlinepubs/007904975/>.  It's free
as in beer, but is currently lacking the changes from TC1.  It's claimed
that it will be updated at some point.

-- 
Ben Harris                                                   <bjh21@netbsd.org>
Portmaster, NetBSD/acorn26           <URL:http://www.netbsd.org/Ports/acorn26/>