Solaris no longer listed as UNIX 03 compliant

Author: Vladimir Kotal

intro.tex

@@ -126,7 +126,7 @@
 complicated, as usual.
 \item Presently, the ``UNIX'' trademark can be only used by systems that passed
 conformance tests defined in the Single UNIX Specification (SUS).
-\item From those systems listed above, only Solaris, macOS, AIX, and HP-UX are
+\item From those systems listed above, only macOS, AIX, and HP-UX are
 UNIX~03 compliant (\url{http://www.opengroup.org/openbrand/register/}).  Other
 non-certified systems, are often described as ``Unix-like'', even when in many
 cases they closely follow the standard.  However, the word ``Unix'' is often used