Posted by Alexei Novikov on February 14, 1998 at 13:09:14:
In Reply to: Invalid reverse adjoin? posted by EV on February 13, 1998 at 16:46:01:
> How does this happen?
That's when adjoin of a surface's adjoin isn't the surface itself, as it should be. How did it happen? Mmm... I don't know. You can try to fix it by unadjoin/readjoining. Or typing adjoin info manually.
Alex.