[Maxima] choicesin in sin.lisp

[Richard Fateman]

Andreas Eder wrote:
> Hi,
>
> does anyone know why there is choicesin in sin.lisp?
>   
I haven't looked at the definition, but a reason why it is there may be 
that in Maclisp in 1964, there
was no built-in remove with :count.

> It is used only there, and apart from the apparent stack overflow
> (choicesin  a b) seems to be equivalent to  (remove a b :count 1).
>
> Is anyone opposed to replacing it?
>
> Andreas
>
>