just made an ebuild for the HTML 4.01 dtd'd its heavily based on the xhtml1 ebuild by Matthew Turk <satai@gentoo.org> had to change $S to $WORKDIR to get this one to work as the gzipped file from w3 doesnt have a subdirectory the DTD's installed work here for my with xemacs psgml mode :) attached is a tar.gz of the html401 directory including ChangeLog and digest file
Created attachment 5914 [details] gzip of html401 ebuild directory
committed.