Nonterminal goes to terminal, natch.
S
/|\
/ | \
/ | \
S '+' S
/|\ |
/ | \ |
S '+' S 'a'
| |
'1' '1'
CONTEXT_FREE: A library for context free art in Ruby-Processing.
RECOMMENDED READING: contextfreeart.org wikipedia.org/wiki/Chomsky_hierarchy wikipedia.org/wiki/L-system
HOW TO: For now, check out the samples.
TO DO: