functions from add-on packages, was: Newbie question: testing for lvalue



>
> (%i1) ? stringp
>  0: lstringp  (Definitions for strings, add-on package stringproc)
>  1: stringp  (Definitions for strings, add-on package stringproc)
> Enter space-separated numbers, `all' or `none': 
>
>   
That would be very nice!

Michel