external links added.

Doc/Sd1/appendix.xml

@@ -62,7 +62,8 @@
       </glossentry>
 
       <glossentry>
-        <glossterm>codeabbey.com</glossterm>
+        <glossterm><uri
+        xlink:href="http://www.codeabbey.com">codeabbey.com</uri></glossterm>
 
         <glossdef>
           <para><link
@@ -72,7 +73,8 @@
       </glossentry>
 
       <glossentry>
-        <glossterm>rosettacode.org</glossterm>
+        <glossterm><uri
+        xlink:href="http://rosettacode.org">rosettacode.org</uri></glossterm>
 
         <glossdef>
           <para><link