docbook5-xml 5.2
=
https://docs.oasis-open.org/docbook/docbook/v5.2/os/docbook-v5.2-os.zip

``` sh *** build ***
mkdir -p /pkg/gnu/docbook5-xml/share/xml/docbook/schema/5.2
cp -rPl * /pkg/gnu/docbook5-xml/share/xml/docbook/schema/5.2
```