where did grindef go? Should it come back?



Richard Fateman wrote:
> grindef(f) provokes a lisp error in maxima, because it calls the 
> nonexistent lisp function grindef.
>   
Curious. 

Even if we wanted to, it seems we can't easily bring it back.  I checked
the code from version maxima 5.4.  There's no definition of grindef
there either.

How is grindef different from grind?

Ray