8034812: remove IDX_INIT macro hack in Node class Summary: The IDX_INIT macro used by Node::Node(...) to retrieve the Compile object is removed and replaced by a call to Compile::current(). The Node constructor, new operator and all calls to it are adapted accordingly. Reviewed-by: kvn, jrose, iveresov, goetz

escape is function with arity 1
unescape is function with arity 1
This%20is%20great%21
What%20is%20going%20on%20here%3F%3F
%uFFFF%uFFFE%u1FFF
This is great!
What is going on here??