added string.translate(s, table)
diff --git a/Doc/lib/libstring.tex b/Doc/lib/libstring.tex
index 17717df..ac6dc55 100644
--- a/Doc/lib/libstring.tex
+++ b/Doc/lib/libstring.tex
@@ -159,6 +159,12 @@
Convert lower case letters to upper case and vice versa.
\end{funcdesc}
+\begin{funcdesc}{translate}{s, table}
+Translate the characters from \var{s} using \var{table}, which must be
+a 256-character string giving the translation for each character
+value, indexed by its ordinal.
+\end{funcdesc}
+
\begin{funcdesc}{upper}{s}
Convert letters to upper case.
\end{funcdesc}