Here's a two line roll-up caption... followed by a couple lines of paint-on captions.
Th
This
This r
This rol
This roll-
This roll-up
This roll-up c
This roll-up cap
This roll-up capti
This roll-up caption
This roll-up caption s
This roll-up caption sho
This roll-up caption shoul
This roll-up caption should
im
This roll-up caption should imme
This roll-up caption should immedi
This roll-up caption should immediat
This roll-up caption should immediatel
This roll-up caption should immediately
This roll-up caption should immediately er
This roll-up caption should immediately eras
This roll-up caption should immediately erase
This roll-up caption should immediately erase th
This roll-up caption should immediately erase the
This roll-up caption should immediately erase the pr
This roll-up caption should immediately erase the prev
This roll-up caption should immediately erase the previo
This roll-up caption should immediately erase the previous
ca
This roll-up caption should immediately erase the previous capt
This roll-up caption should immediately erase the previous captio
This roll-up caption should immediately erase the previous captions
This roll-up caption should immediately erase the previous captions.