beremiz

Add FatalError() method to ConfigTreeNode.
SVGHMI_compat
2019-11-13, Edouard Tisserant
9bd5decf3c8c
Add FatalError() method to ConfigTreeNode.
Extensions can report error addressed to user, without a traceback.
<?xml version='1.0' encoding='utf-8'?>
<BaseParams xmlns:xsd="http://www.w3.org/2001/XMLSchema" IEC_Channel="2" Name="py_ext_0"/>