Fix :abbr with no argument (in future, will be less push happy).
Fix :abbr with no argument (in future, will be less push happy).

Kjwon15/dactyl,invl/dactyl,moonshadow/dactyl,nathyong/dactyl,moonshadow/dactyl,5digits/dactyl,5digits/dactyl,Kjwon15/dactyl,zklinger/vimperator-labs,nathyong/dactyl,invl/dactyl,Evidlo/vimperator-labs,Kjwon15/dactyl,invl/dactyl,moonshadow/dactyl,Quicksaver/vimperator-labs,Evidlo/vimperator-labs,madand/pentadactyl-pm,seanmorton/vimperator-labs,madand/pentadactyl-pm,invl/dactyl,Quicksaver/vimperator-labs,airodactyl/dactyl,mcarton/vimperator-labs,Sheile/vimperator-labs,nullren/vimperator-labs,nathyong/dactyl,stemar94/vimperator-labs,airodactyl/dactyl,invl/dactyl,Kjwon15/dactyl,madand/pentadactyl-pm,airodactyl/airodactyl,zklinger/vimperator-labs,madand/pentadactyl-pm,madand/pentadactyl-pm,nullren/vimperator-labs,nathyong/dactyl,5digits/dactyl,madand/pentadactyl-pm,airodactyl/dactyl,seanmorton/vimperator-labs,moonshadow/dactyl,paretje/vimperator-labs,derenio/vimperator-labs,nathyong/dactyl,5digits/dactyl,stemar94/vimperator-labs,moonshadow/dactyl,airodactyl/dactyl,Sheile/vimperator-labs,paretje/vimperator-labs,invl/dactyl,moonshadow/dactyl,mcarton/vimperator-labs,airodactyl/airodactyl,airodactyl/dactyl,Kjwon15/dactyl,derenio/vimperator-labs,nathyong/dactyl,5digits/dactyl,5digits/dactyl,airodactyl/dactyl,Kjwon15/dactyl