Functions may leak information about names(!) of local variables.

> One thing that you can do is to use the :: operator instead of :, by 
> creating a variable using gensym.
> For example a:?gensym() /* now a is a pointer to a variable */
>  a[1]::2 /* assigns the variable pointed to by a, to 2 */
> Also, the gensym variable is entered into the arrays list.
> Many of these array questions can be answered by looking at the 
> commercial Macsyma's demo documentation,
> which is freely available.


Thanks! That is very useful.

Regards,
Michel