Remove sys.exc_type, sys.exc_value, sys.exc_traceback
diff --git a/Doc/ext/extending.tex b/Doc/ext/extending.tex
index 7016f94..0e2fd14 100644
--- a/Doc/ext/extending.tex
+++ b/Doc/ext/extending.tex
@@ -120,9 +120,8 @@
variable stores the ``associated value'' of the exception (the second
argument to \keyword{raise}). A third variable contains the stack
traceback in case the error originated in Python code. These three
-variables are the C equivalents of the Python variables
-\code{sys.exc_type}, \code{sys.exc_value} and \code{sys.exc_traceback} (see
-the section on module \module{sys} in the
+variables are the C equivalents of the result in Python of
+\method{sys.exc_info()} (see the section on module \module{sys} in the
\citetitle[../lib/lib.html]{Python Library Reference}). It is
important to know about them to understand how errors are passed
around.