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The 1.2 implementation matched the docs :-

Class docClass = getDocument().getClass();
ClassLoader loader = docClass.getClassLoader();
if (loader != null) { klass = loader.loadClass(classname);
} else{ klass = Class.forName(classname); }
return klass;


It appears to have diverged with these two changes
https://bugs.openjdk.java.net/browse/JDK-4247726
https://bugs.openjdk.java.net/browse/JDK-4452042
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