add documentation on rbtrees.

git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@543 b08c6af1-5177-4d33-ba66-4b1c6b8b522a

changes4.3.html

@@ -16,6 +16,11 @@
 
 <h2>Yap-4.3.23:</h2>
 <ul>
+
+	<li>UPDATE: include new apply_macros code from Erick Alphonse,
+	and acknowledge J. Schimpf</li>
+	<li>FIXED: YapRunGoal (Roberto Bagnara)</li>
+	<li>NEW: term_position option for read_term (Nicos)</li>
 	<li>UPDATE: fixed shell/1 and shell/2 in library(system). (Nicos)</li>
 	<li>UPDATE: new Logtalk version (2.13.0).</li>
 	<li>FIXED: <code>\newline</code> in strings (Roberto Bagnara). </li>