install_docbook() {( VER=$1 && cd $VER && mkdir -p ${INSTALL_ROOT}/usr/share/xml/docbook/xml-dtd-$VER && cp -r * ${INSTALL_ROOT}/usr/share/xml/docbook/xml-dtd-$VER )} install_docbook $VERSION && install_docbook 4.1.2 && install_docbook 4.2 && install_docbook 4.3 && install_docbook 4.4