Clarify the type of the signal handler.

gvanrossum · gvanrossum · commit 52481484e618 · 1998-06-09T15:42:25.000Z
diff --git a/Doc/lib/libsignal.tex b/Doc/lib/libsignal.tex
@@ -125,7 +125,8 @@ \section{Built-in Module \module{signal}}
 
 \begin{funcdesc}{signal}{signalnum, handler}
   Set the handler for signal \var{signalnum} to the function
-  \var{handler}.  \var{handler} can be any callable Python object, or
+  \var{handler}.  \var{handler} can be a callable Python object
+  taking two arguments (see below), or
   one of the special values \constant{signal.SIG_IGN} or
   \constant{signal.SIG_DFL}.  The previous signal handler will be returned
   (see the description of \function{getsignal()} above).  (See the
