Package sgml-common

Common SGML catalog and DTD files

http://www.w3.org/2003/entities/

The sgml-common package contains a collection of entities and DTDs
that are useful for processing SGML, but that don't need to be
included in multiple packages. Sgml-common also includes an
up-to-date Open Catalog file.

System Administration
Command Description
install-catalog Manage a SGML or XML centralized catalog