-<li>If <tt>GLX_USE_TLS</tt> is defined, method #4 is used.</li>
-<li>If <tt>PTHREADS</tt> is defined, method #3 is used.</li>
-<li>If any of <tt>PTHREADS</tt>,
-<tt>WIN32_THREADS</tt>, or <tt>BEOS_THREADS</tt>
-is defined, method #2 is used.</li>
-<li>If none of the preceeding are defined, method #1 is used.</li>
+<li>If <code>GLX_USE_TLS</code> is defined, method #3 is used.</li>
+<li>If <code>HAVE_PTHREAD</code> is defined, method #2 is used.</li>
+<li>If none of the preceding are defined, method #1 is used.</li>