Fix markup error that hid a tilde character; reported long ago by
Carl Feynman <carlf@abinitio.com>.
diff --git a/Doc/ref/ref3.tex b/Doc/ref/ref3.tex
index f46cdc9..c51f514 100644
--- a/Doc/ref/ref3.tex
+++ b/Doc/ref/ref3.tex
@@ -933,6 +933,17 @@
\index{comparisons}
\end{methoddesc}
+\begin{methoddesc}[object]{__rcmp__}{self, other}
+Called by all comparison operations. Should return a negative integer if
+\code{self < other}, zero if \code{self == other}, a positive integer if
+\code{self > other}. If no \method{__cmp__()} operation is defined, class
+instances are compared by object identity (``address'').
+(Note: the restriction that exceptions are not propagated by
+\method{__cmp__()} has been removed in Python 1.5.)
+\bifuncindex{cmp}
+\index{comparisons}
+\end{methoddesc}
+
\begin{methoddesc}[object]{__hash__}{self}
Called for the key object for dictionary\obindex{dictionary}
operations, and by the built-in function
@@ -1201,7 +1212,7 @@
\methodline[numeric object]{__abs__}{self}
\methodline[numeric object]{__invert__}{self}
Called to implement the unary arithmetic operations (\code{-}, \code{+},
-\function{abs()}\bifuncindex{abs} and \code{~}).
+\function{abs()}\bifuncindex{abs} and \code{\~{}}).
\end{methoddesc}
\begin{methoddesc}[numeric object]{__complex__}{self}