I want to try out the DocBook 5.1 schemas with oXygen 12. Can anyone tell me how to set up a catalog association once I download the schemas?

Thanks!

First, I am relatively new to DocBook and to oXygen XML Author. I am using the default DocBook PDF transformation scenario to convert from DocBook 5 XML to PDF. In the output PDF file, the graphics appear larger than their normal size; however, I have not set any scaling. This includes the default &...