add pattern that doesn't require a dependency
add pattern that doesn't require a dependency

These things are so esoteric, it always takes me a few minutes to
tease them apart.  It'd be nice to have this variation listed.

GerHobbelt/umd,umdjs/umd,greyhwndz/umd,cesarmarinhorj/umd,owiber/umd,victormacae/umd,adjohnson916/umd,pombredanne/umd,lalitkapoor/umd