Work around the conversion of ">>" and "<<" to guillemets. Reported by Ping.
diff --git a/Doc/mac/using.tex b/Doc/mac/using.tex
index 1e895c7..0a077b9 100644
--- a/Doc/mac/using.tex
+++ b/Doc/mac/using.tex
@@ -27,8 +27,8 @@
documentation is started by double-clicking the
\program{PythonInterpreter} icon, which looks like a 16-ton weight
falling. You should see the version information and the
-\samp{>>>~} prompt. Use it exactly as described in the standard
-documentation.
+\samp{>\code{>}>~} prompt. Use it exactly as described in the
+standard documentation.
\section{How to run a Python script}