Update README.md

mkraetke · web-flow · commit 5a2c4c284580 · 2024-04-12T19:17:59.000+02:00
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 # xproc-1.0-tutorial
 xproc-1.0-tutorial
+
+This repository was used to store XProc 1.0 pipelines for 
+an XProc tutorial I held for a German Publisher. If you want 
+to learn XProc, you may be interested in my
+[XProc-3.0-Tutorial](https://xporc.net/xproc-tutorial/) on my blog.
