# 2024-09-30

A =| B ;
B =| A | 'c' ;

# equivalent

X =| X | 'c' ;

# equivalent

Y =| 'c' ;

# .. so epsilon recusion
# terms default to non-epsilon
# and are only marked epsilon
# if an option is fully epsilon
# 
# epsilon may be a worthwhile struct /namespace to define
# 

I = # epsilon-3
| J # epsilon-2
| K
;
J = # epsilon-1
| # epsilon-0
| I # epsilon-4 ..
;
K =| 'x' ;



# 2025-02-06

# epsilon cycles are not okay..