Get rid of math mode in some places.
diff --git a/Doc/libpprint.tex b/Doc/libpprint.tex
index aabc8c7..d003d2b 100644
--- a/Doc/libpprint.tex
+++ b/Doc/libpprint.tex
@@ -122,7 +122,7 @@
Return a string representation of \var{object}, protected against
recursive data structures. If the representation of \var{object}
exposes a recursive entry, the recursive reference will be represented
-as \samp{$<$Recursion on \var{typename} with id=\var{number}$>$}. The
+as \code{<Recursion on \var{typename} with id=\var{number}>}. The
representation is not otherwise formatted.
\begin{verbatim}