Conditionalize manual to maintain Cygnus, Hitachi versions in parallel.
(Texinfo conditionals are stable enough to permit this, at last!)
NOTE: @ignore'd passages from earlier versions DELETED; use CVS history
to retrieve if wanted.
gen-doc.texi, h8-doc.texi: manual configuration definitions.
Makefile.in: link config defn (`gen' by default) to configdoc.texi, included
by ld.texinfo
.Sanitize: add gen-doc.texi, h8-doc.texi