Add substring filter to td_elementmap
Add substring filter to td_elementmap

Ignore-this: d28b7173095c504ae0e9209303e4468a

darcs-hash:20101016183644-ed0c4-224c6bb4365206fa99911254c07861bc97b5f164

yzhou61/xmonad-contrib,yzhou61/xmonad-contrib,yzhou61/xmonad-contrib