more work to get libxml / libcollada-dom to build multiplatform

Extras/LibXML/README.tests

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+                       README.tests
+
+   Instructions for standalone test regressions of libxml2
+
+libxml2-tests-$version.tar.gz contains 3 standalone C programs as well
+as a large amount of tests and results coming from libxml2 itself and
+from W3C, NIST, Sun Microsystems, Microsoft and James Clark. Each C
+program has a different testing purpose:
+
+  runtest.c : runs libxml2 basic internal regression tests
+  runsuite.c: runs libxml2 against external regression tests
+  testapi.c : exercises the library public entry points
+
+The command:
+
+  make -f Makefile.tests
+
+should be sufficient on an Unix system to build and exercise the tests
+for the version of the library installed on the system. Note however 
+that there isn't backward compatibility provided so if the installed
+version is older to the testsuite one, failing to compile or run the tests
+is likely. In any event this won't work with an installed libxml2 older
+than 2.6.20.
+Building on other platfroms should be a matter of compiling the C files
+like any other program using libxml2, running the test should be done
+simply by launching the resulting executables.
+
+Daniel Veillard
+Sun Jul 10 2005