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E.g, if your script or program, execeuted under control of JobScheduler, put some unicode-characters to stdout or stderr, this will be shown correctly.
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One major topic on the road-map of JobScheduler is the translation of all texts.
JOE (the JobScheduler Object Editor), which is used to create the xml-configuration for JS Objects, will create the xml-files with an encoding of ISO-8859-1. To use unicode, one has to change this encoding to "utf-8" (or something like that).