When cells with different names are equated, the equivalence of cells with the same name is broken. This change allows the equivalence of same named cells to be reestablished after it is broken.
To equate A=A and A=B, use the following order
equate classes A B
equate classes A A
When cells with different names are equated, the equivalence of cells with the same name is broken. This change allows the equivalence of same named cells to be reestablished after it is broken.
To equate A=A and A=B, use the following order equate classes A B equate classes A A
This fixes #64