More Resources on XProc
The XProc 3.0 Specification covers the basic syntax and semantics of XProc 3.0, the standard step library and additional specifications.
Erik Siegel wrote a fantastic book on XProc 3.0: XProc 3.0 Programmer Reference (XMLPress, ISBN print: 978-1937434-70-0, ebook: 978-1937434-71-1).
Erik wrote also a series of introductory articles on XProc 3.0 on xml.com:
- An Introduction to XProc 3.0
- XProc 3.0 – Connecting steps using ports
- XProc 3.0 – Strategies for merging documents
Norman Tovey Walsh and Achim Bernzden held a talk at Balisage: The Markup Conference in 2019. Their paper on XProc 3.0 is listed in the conference proceedings.
More learning resources can be found on xproc.org.