use doc && make -C DOCS/xml html-chunked

 	# Install only user-requested docs if they're available.

	use doc && {

		if [[ -z $LINGUAS ]]

		then 

			make -C DOCS/xml html-chunked

		else

		# select available languages from $LINGUAS

		LINGUAS=${LINGUAS/zh/zh_CN}

		local a1=( cs de en es fr hu it pl ru zh_CN )

		local a2=( $LINGUAS )

		for (( i=0; i<${#a1[*]}; i++ )); do

			for (( j=0; j<${#a1[*]}; j++ )); do

				[[ ${a1[i]} == ${a2[j]} ]] && make -C DOCS/xml html-chunked-${a2[j]}

			done

		done

		fi

	}