Hi, A document with the following DocDecl <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [ <!ENTITY % xinclude SYSTEM "/home/sean/apps/oxygen/docbook/dtd/xinclude.mod"> %xinclude; <!ENTITY % global_entities SYSTEM "global.ent"> %global_entities; ]> With XIncludes that use Entities provided by gobal.net <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="&prt02_supplychain;"> <xi:fallback xmlns:xi="http://www.w3.org/2001/XInclude"> <para> <emphasis>FIXME: MISSING XINCLUDE CONTENT</emphasis> </para> </xi:fallback> </xi:include> I get an error, but to best of my knowledge the value of an attribute is allowed to be an entity F The external entity reference "&prt02_supplychain;" is not permitted in an attribute value. Any ideas where the problem is? -- Sean Wheller 084-8549408 sean@enbaya.co.za http://www.enbaya.co.za