Adjust documentation for new.instance() to reflect that the second
parameter may be omitted or None.
diff --git a/Doc/lib/libnew.tex b/Doc/lib/libnew.tex
index ec9bc11..9547b58 100644
--- a/Doc/lib/libnew.tex
+++ b/Doc/lib/libnew.tex
@@ -14,10 +14,12 @@
The \module{new} module defines the following functions:
-\begin{funcdesc}{instance}{class, dict}
+\begin{funcdesc}{instance}{class\optional{, dict}}
This function creates an instance of \var{class} with dictionary
-\var{dict} without calling the \method{__init__()} constructor. Note that
-there are no guarantees that the object will be in a consistent state.
+\var{dict} without calling the \method{__init__()} constructor. If
+\var{dict} is omitted or \code{None}, a new, empty dictionary is
+created for the new instance. Note that there are no guarantees that
+the object will be in a consistent state.
\end{funcdesc}
\begin{funcdesc}{instancemethod}{function, instance, class}