rewrite PLCOpenEditor. Add PLCOpenEditorApp class for easier customizations.
<?xml version='1.0' encoding='utf-8'?>
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</ST>
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<xhtml:p><![CDATA[{extern void __PythonEvalFB(int, PYTHON_EVAL*);__PythonEvalFB(1,(PYTHON_EVAL*)(void*)data__);}]]></xhtml:p>
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