Flex (&flex-version;) - &flex-size;:
<ulink url="&ftp;/flex-&flex-version;.tar.bz2">&ftp;/flex-&flex-version;.tar.bz2</ulink>
<ulink url="&http;/flex-&flex-version;.tar.bz2">&http;/flex-&flex-version;.tar.bz2</ulink>