function.
This closes bug #117467.
Return a controller object for the browser type \var{name}.
\end{funcdesc}
-\begin{funcdesc}{register}{name, constructor\optional{, controller}}
+\begin{funcdesc}{register}{name, constructor\optional{, instance}}
Register the browser type \var{name}. Once a browser type is
registered, the \function{get()} function can return a controller
for that browser type. If \var{instance} is not provided, or is