Vadim Zaytsev aka @grammarware

Clones modulo permutations (e.g., `A | B`

vs `B | A`

) are confusing: if the choice used in the notation is commutative, they are just Clones, otherwise if the choice is ordered, having both `A / B`

and `B / A`

within the same grammar is even more confusing for everyone.

The GraSs taxonomy is a joint effort maintained by Dr. Vadim Zaytsev a.k.a. @grammarware.
Page last updated in March 2021.