docbook4-xml 4.5
=
https://www.oasis-open.org/docbook/xml/4.5/docbook-xml-4.5.zip

``` sh *** build ***
mkdir -p /pkg/gnu/docbook4-xml/share/xml/docbook/dtd/4.5
cp -rPl * /pkg/gnu/docbook4-xml/share/xml/docbook/dtd/4.5
```