Add test.rkt
Use visual-check-equal? for terminal testing
Prevent newline style leakage on xterm
Add markout.rkt (WIP)
Calculate document densities
WIP
fixes
fixed tests
col width allocation
block extension/append
chains
fixes
tables
use new terminal stuff
consolidate comments
better next-line decision
after-indent-width
next-state simplification
syntax fixes
bracketed styling