[Maxima] Sanitize is not fool proof (yet) .Sanitize2 seems to work as advertized.

[Michel Van den Bergh]

>
> This is tricky. I would guess that quoted material should not be touched
> since f(x):='x seems to be
> equivalent to f(y):='x. This also goes for things like f(x):='(x+1).
Of course eval messes things up!

fIx):=ev('x)

This is getting tricky....   Richard Fateman claims one should never use
eval....

Michel