Disabled external gits

cs440-acg/ext/pugixml/docs/samples/load_file.cpp

@@ -0,0 +1,16 @@
+#include "pugixml.hpp"
+
+#include <iostream>
+
+int main()
+{
+//[code_load_file
+    pugi::xml_document doc;
+
+    pugi::xml_parse_result result = doc.load_file("tree.xml");
+
+    std::cout << "Load result: " << result.description() << ", mesh name: " << doc.child("mesh").attribute("name").value() << std::endl;
+//]
+}
+
+// vim:et