diff -urNp xmlto-0.0.21-orig/xmlto.in xmlto-0.0.21/xmlto.in
--- xmlto-0.0.21-orig/xmlto.in	2009-01-28 12:51:19.000000000 +0100
+++ xmlto-0.0.21/xmlto.in	2009-01-28 12:54:35.000000000 +0100
@@ -427,8 +427,10 @@ if [ "$SKIP_VALIDATION" -eq 0 ] && [ "$S
 then
   VALIDATION="${XSLT_PROCESSED_DIR}/validation-errors"
   [ "$VERBOSE" -ge 1 ] && \
-    echo >&2 "xmllint >/dev/null --xinclude --postvalid \"$INPUT_FILE\""
-  xmllint >/dev/null --xinclude --postvalid "$INPUT_FILE" 2>"${VALIDATION}"
+  echo >&2 \
+    "xmllint >/dev/null --nonet --xinclude --postvalid --noent \"$INPUT_FILE\""
+  xmllint >/dev/null --nonet --xinclude --postvalid --noent \
+    "$INPUT_FILE" 2>"${VALIDATION}"
   xmllint_status=$?
   if [ $xmllint_status -ne 0 ]
   then