Wrong type argument ((natnump -1))

[Aidan Kehoe]

 Ar an ceathrú lá is fiche de mí Márta, scríobh Mats Lidell: 

 > >>>>> Aidan Kehoe <kehoea at parhasard.net> writes:
 > 
 > Aidan> Right. In various ways; most relevantly, it assumes that
 > Aidan> #'frame-width will always give something sensible when the file
 > Aidan> is loaded.
 > 
 > OK. So we have byte compiled it now for some years with no apparent
 > problems and now since a some patches ago we have fixed something so
 > that it no longer compiles. Right?

Correct. I can commit the change--I hadn’t tested the code I sent
previously, it needs some tweaking to work. Does that work for you?

(Now I look a little closer, the variable isn’t even used! Ouch.)

-- 
“Apart from the nine-banded armadillo, man is the only natural host of
Mycobacterium leprae, although it can be grown in the footpads of mice.”
  -- Kumar & Clark, Clinical Medicine, summarising improbable leprosy research