Obviously my doc doesn't conform to the DTD - but does it really need all the sections mentioned? Or are some of them optional? If its a simple answer, what's my doc currently lacking - as I started from the example tutorial... Thanks for any help, Mike /home/mikem/fedora-docs/web-serving-tutorial/web-serving-tutorial-en.xml:18: element article: validity error : Element article content does not follow the DTD, expecting ((title , subtitle? , titleabbrev?)? , articleinfo? , tocchap? , lot* , (((calloutlist | glosslist | itemizedlist | orderedlist | segmentedlist | simplelist | variablelist | caution | important | note | tip | warning | literallayout | programlisting | programlistingco | screen | screenco | screenshot | synopsis | cmdsynopsis | funcsynopsis | classsynopsis | fieldsynopsis | constructorsynopsis | destructorsynopsis | methodsynopsis | formalpara | para | simpara | address | blockquote | graphic | graphicco | mediaobject | mediaobjectco | informalequation | informalexample | informalfigure | informaltable | equation | example | figure | table | msgset | procedure | sidebar | qandaset | anchor | bridgehead | remark | highlights | abstract | authorblurb | epigraph | indexterm | beginpage)+ , (sect1* | refentry* | simplesect* | section*)) | sect1+ | refentry+ | simplesect+ | section+) , ((toc | lot | index | glossary | bibliography) | appendix | ackno)*), got (articleinfo section section section sect1 section ) ^ this is the main stuff I find confusing. Mike __________________________________________________________________________ Mike MacCana Consultant RHCE, MCSE, MCP+I Cybersource: Providing Quality IT Professional Services for 11 Years Specialists in Unix/Linux, TCP/IP and Web Application Development Level 4, 10 Queen St, Melbourne. Ph : 03 9621 2377 Fax: 03 9621 2477