Oxygen comes with a built-in XProc engine called Calabash. An external XProc engine can be configured in this panel.
When Show XProc messages is selected all messages emitted by the XProc processor during a transformation will be presented in the results view.
For an external engine the value of the Name field will be displayed in the XProc transformation scenario and in the command line that will start it.
Other parameters that can be set for an XProc external engine are the following: , and the error stream of the engine, the working directory of the command that will start the engine. The encodings will be used for reading and displaying the output of the engine. The working directory and