version=4
opts=uversionmangle=s/_/\./g;s/(\d)[_\.\-\+]?((RC|rc|pre|dev|beta|alpha)\d*)$/$1~$2/ \
https://github.com/twaugh/libieee1284/tags .*/[vV]?(\d\S+)\.(?:tgz|tbz2|txz|tar\.(?:gz|bz2|xz))
