Added very basic XML support using libxml2. (0.35.0)

examples/data/example.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<company name="Acme Corp">
+  <departments>
+    <department id="eng" name="Engineering">
+      <team name="Platform">
+        <member id="u1">Alice</member>
+        <member id="u2">Bob</member>
+      </team>
+      <team name="Product">
+        <member id="u3">Carol</member>
+      </team>
+    </department>
+    <department id="ops" name="Operations">
+      <team name="SRE">
+        <member id="u4">Dave</member>
+      </team>
+    </department>
+  </departments>
+  <offices>
+    <office city="Berlin" country="DE"/>
+    <office city="Paris" country="FR"/>
+  </offices>
+  <note>Welcome to Acme!</note>
+</company>

examples/xml_class_example.fun

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+/*
+ * This file is part of the Fun programming language.
+ * https://fun-lang.xyz/
+ *
+ * Copyright 2025 Johannes Findeisen <you@hanez.org>
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ *
+ * Added: 2025-12-09
+ */
+
+// Example using the stdlib XML class wrapper
+
+include <io/xml.fun>
+
+xml = XML()
+doc = xml.from_file("./examples/data/example.xml")
+print("doc handle:")
+print(doc)
+if (doc == 0)
+  print("Failed to load XML file")
+else
+  root = xml.root(doc)
+  print("root name:")
+  print(xml.name(root))
+  print("root text:")
+  print(xml.text(root))

examples/xml_minimal.fun

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+/*
+ * This file is part of the Fun programming language.
+ * https://fun-lang.xyz/
+ *
+ * Copyright 2025 Johannes Findeisen <you@hanez.org>
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ *
+ * Added: 2025-12-09
+ */
+
+// Minimal XML example using libxml2-backed builtins
+
+doc = xml_parse("<root><item id=\"1\">a</item><item id=\"2\">b</item></root>")
+print("doc handle=\(doc)")
+root = xml_root(doc)
+print("root name=\(xml_name(root)) text=\(xml_text(root))")