http://docbook.org/xlink/role/olink Endterm points to nonexistent ID: ??? ERROR: xref linking to has no generated link text. ??? XRef to nonexistent id: ??? Endterm points to nonexistent ID: ??? suppress anchor removing removing Don't know what gentext to create for xref to: " ", (" ") ??? [ ] No bibliography entry: found in [ ] Endterm points to nonexistent ID: ??? Link element has no content and no Endterm. Nothing to show in the link to ??? Olink debug: root element of target.database ' ' is ' '. ERROR: olink using obsolete attributes @linkmode, @targetdocent, @localinfo are not supported. ERROR: olink is missing linking attributes.