In entity [toplevel] = SYSTEM "file://localhost/home/gerd/ocaml/smcvs/ocamlpkg/markup/rtests/negative/data_jclark_invalid/004.xml", at line 1, position 30:
In entity e2, at line 1, position 1:
Called from entity [dtd] = SYSTEM "004.ent", line 3, position 19:
ERROR (Validity constraint): Entities not properly nested with ELEMENT declaration