[libxml2]Add libxml2 library

libxml2/test/SVG/bike.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG April 1999//EN" 
+  "http://www.w3.org/Graphics/SVG/svg-19990412.dtd">
+<!--DOCTYPE svg SYSTEM "svg-19990412.dtd"-->
+<svg width="4in" height="3in">
+  <title>Kona Lavadome mountain bike
+  </title>
+  <desc>This picture shows a mountain bike, a human-propelled, 
+  multi-terrain vehicle. While it can be succesfully used on moorland, 
+  forest, roads, and large hills it is not actually suitable for going 
+  up mountains.
+  </desc>
+  <g id="bike">
+    <defs>
+     <symbol id="spoke"><desc>14/12 gauge double butted spoke</desc>
+     <!-- the path data goes here --></symbol>
+     
+     <symbol id="hub"><desc>black anodised low torsion hub</desc>
+     <!--the path data goes here --></symbol>
+     
+     <symbol id="rim"><desc>twin wall, eyeletted rim</desc>
+     <!-- the path data goes here--></symbol>
+     
+     <symbol id="cogs"><desc>8 speed, wide ratio gearing</desc>
+     <!--the path data goes here --></symbol>
+     
+     <symbol id="lacing"><desc>double cross lacing of 32 spokes</desc>
+     </symbol>
+    </defs>
+    <!-- the overall bike drawing goes here -->
+    <g id="frontwheel">
+    <title>Front wheel</title>
+    <desc>The front wheel provides grip, steering and some shock absorption</desc>
+    <use href="id(lacing)" style="rotation: 20deg; fillcolor: black"/>
+    </g>
+    <g id="backwheel">
+    </g>
+    <g id="frame"><!-- and so on -->
+    </g>
+  </g>
+</svg>