Thanks, Pete, works fine.  Now, here is one which makes more sense
and works the same:
s hyper BUT not (hypertext or hypermedia)
and by the way, I suppose you know you can use an ampersand for AND

I still object to having to use either of them, more stuff to clog the
search line.  Oh well, it works.  Douglas


On Fri, 13 Oct 2000, Pete Weiss wrote:

> At 21:08 10/12/2000 Thursday, Winship wrote:
>  >>
>  >>  > s hyper not (hypertext or hypermedia) in FINAID-L SINCE TODAY
>  >> Invalid search expression - stack not empty after final evaluation.
>
>  >What gives?  Douglas
>
> Try adding AND
>
> s hyper AND not (hypertext or hypermedia) in listname
>
> Though I am "not" sure of the semantics, that syntax does not produce the
> error message.
>
> /P
>
>