new unicodedata functions (name, lookup)
diff --git a/Doc/lib/libunicodedata.tex b/Doc/lib/libunicodedata.tex
index bcf0563..5096652 100644
--- a/Doc/lib/libunicodedata.tex
+++ b/Doc/lib/libunicodedata.tex
@@ -21,6 +21,19 @@
\url{http://www.unicode.org/Public/UNIDATA/UnicodeData.html}). It
defines the following functions:
+\begin{funcdesc}{lookup}{name}
+ Look up character by name. If a character with the
+ given name is found, return the corresponding Unicode
+ character. If not found, \exception{KeyError} is raised.
+\end{funcdesc}
+
+\begin{funcdesc}{name}{unichr\optional{, default}}
+ Returns the name assigned to the Unicode character
+ \var{unichr} as a string. If no name is defined,
+ \var{default} is returned, or, if not given,
+ \exception{ValueError} is raised.
+\end{funcdesc}
+
\begin{funcdesc}{decimal}{unichr\optional{, default}}
Returns the decimal value assigned to the Unicode character
\var{unichr} as integer. If no such value is defined,