--- /dev/null
+WARNING: More than one ATTLIST declaration for element type `el'
+In entity [toplevel] = SYSTEM "file://localhost/home/gerd/ocaml/smcvs/ocamlpkg/markup/rtests/negative/data_invalid/012.xml", at line 6, position 1:
+ERROR (Validity constraint): More than one ID attribute for element `el'