Switch to DocBook 4.2 Add a lint target in Makefile which uses xmllint to validate source. Add index generation to fo.xsl and openacs.xsl. fix messed up use of literallayout. Fix xrefs in permissions-tediously-explained.xml Repair authorblurb which I broke. Switch some tables w/o titles to informaltable fix rollback-database xref.
refactored from external entity to xinclude so that broken files don't kill overall make; added external authentication; brought i18n current; other smaller fixes