Base: export more primitives for dealing with render state
Base: export more primitives for dealing with render state

Ignore-this: 48a9ad37dc0291b2c638ec6eeeb6a489

darcs-hash:20091015175007-e018d-ec2d57de6507998521a3570cdcd29005fbbf9763.gz

KommuSoft/vty-ui,ktvoelker/vty-ui