is there any option I can pass to gsi so that the following code will work?

> (pp '(\ 1 2 3))
*** ERROR IN (console)@1.11 -- Invalid infix syntax
> 3
> *** ERROR IN (console)@1.14 -- Datum or EOF expected
> *** ERROR IN (console)@1.15 -- Datum or EOF expected

thanks!

--
-- symbolic expression