In a fresh org file I try this:
#+begin_src scheme :session mainsession
(define (mysquare x)
(* x x))
#+end_src
and get this:
executing Scheme code block...
=> #<void>
: ‘org-babel-script-escape’ expects a string
I'm using latest elpa everything (orgmode, geiser) with Racket v6.10.1 as of this morning. Just started happening. . . .
LB