[Maxima] Newbie question about quotation

[Michel Van den Bergh]

> Hmmm,
> 
> Since levin_u_sum should behave like sum I think it is best to define it
> as a macro....
> For the arguments that should be evaluated I perform immediately
> arg:ev(arg,nouns). Is
> that the correct strategy?
> 
> Michel
> 

I changed my mind. Playing with the evaluation order of things seems to
create very obscure bugs....

Michel