New language: XProc - an XML Pipeline language (W3C)

samples/XProc/xproc.xpl

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<p:declare-step xmlns:p="http://www.w3.org/ns/xproc"
+    xmlns:c="http://www.w3.org/ns/xproc-step" version="1.0">
+    <p:input port="source">
+        <p:inline>
+            <doc>Hello world!</doc>
+        </p:inline>
+    </p:input>
+    <p:output port="result"/>
+    <p:identity/>
+</p:declare-step>