docbook-xslt1
=
https://github.com/docbook/xslt10-stylesheets/releases/download/snapshot%2F2020-06-03/docbook-xsl-snapshot.zip

``` sh *** patch ***
mv docbook-xsl-snapshot/* .
rm -r docbook-xsl-snapshot
```

``` sh *** build ***
mkdir -p /pkg/gnu/docbook-xslt1
cp -rPl * /pkg/gnu/docbook-xslt1
mkdir -p /pkg/gnu/docbook-xslt1/etc/xml
cat > /pkg/gnu/docbook-xslt1/etc/xml/catalog <<'EOF'
<?xml version="1.0"?>
<catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog" prefer="public">
    <!-- DocBook XSL 1.0 stylesheets (namespace) -->
    <rewriteURI uriStartString="http://docbook.sourceforge.net/release/xsl/"
                rewritePrefix="file:///pkg/gnu/docbook-xslt1/"/>
    <rewriteURI uriStartString="http://docbook.sourceforge.net/release/xsl/current/"
                rewritePrefix="file:///pkg/gnu/docbook-xslt1/"/>
</catalog>
EOF
```