macroexpansion (slime-expand-1) results in error

[Luís Oliveira]

On Thu, Dec 10, 2015 at 4:16 PM, Mirko Vukovic <mirko.vukovic at gmail.com> wrote:
> I played by selectively adding code -- I started with the (with-png-output
> ...) just by itself, and that worked.
> Then I started adding form by form.  It failed when I added the last form
> (fill-and-stroke).

Can you paste the complete backtrace? (You can get it by clicking
--more-- after the last displayed frame in the debugger.)

Cheers,

-- 
Luís Oliveira
http://kerno.org/~luis/