Added a paragraph to explain that SchedParams(0, 0) is usually what
you want.
diff --git a/Doc/mac/libmacos.tex b/Doc/mac/libmacos.tex
index 99858cf..3a2de16 100644
--- a/Doc/mac/libmacos.tex
+++ b/Doc/mac/libmacos.tex
@@ -60,6 +60,9 @@
 Initial defaults are that all processing is enabled, checking is done every
 quarter second and the processor is given up for a quarter second when in the
 background.
+
+The most common use case is to call \code{SchedParams(0, 0)} to completely disable
+event handling in the interpreter mainloop.
 \end{funcdesc}
 
 \begin{funcdesc}{HandleEvent}{ev}