6.3. The docbook/dtd Directory

DTD files are placed in versioned subdirectories of sgml or xml, depending on the dtd.

FIXME: More detail needed

6.3.1. Subdirectory Layout

Here is an example for docbook-xml:

.../docbook/dtd/xml/
3.0 (symlinks
3.1 to 3.1.7)
3.1.7/
*.dtd
*.mod
catalog
4.0 (symlinks
4.1 to
4.1.1 4.1.2)
4.1.2/
*.dtd
*.mod
catalog

Catalog File Names: Catalog files placed in these directories should retain their original, upstream names.

6.3.2. Subdirectory Descriptions and Usage