Add some more labels for logical addressing.
diff --git a/Doc/lib/libtypes.tex b/Doc/lib/libtypes.tex
index 70940cf..d799a1c 100644
--- a/Doc/lib/libtypes.tex
+++ b/Doc/lib/libtypes.tex
@@ -662,6 +662,7 @@
See the \emph{Python Reference Manual} for more information.
\subsubsection{Type Objects}
+\label{bltin-type-objects}
Type objects represent the various object types. An object's type is
accessed by the built-in function \code{type()}. There are no special
@@ -673,6 +674,7 @@
Types are written like this: \code{<type 'int'>}.
\subsubsection{The Null Object}
+\label{bltin-null-object}
This object is returned by functions that don't explicitly return a
value. It supports no special operations. There is exactly one null
@@ -681,6 +683,7 @@
It is written as \code{None}.
\subsubsection{File Objects}
+\label{bltin-file-objects}
File objects are implemented using \C{}'s \code{stdio} package and can be
created with the built-in function \code{open()} described under
diff --git a/Doc/libtypes.tex b/Doc/libtypes.tex
index 70940cf..d799a1c 100644
--- a/Doc/libtypes.tex
+++ b/Doc/libtypes.tex
@@ -662,6 +662,7 @@
See the \emph{Python Reference Manual} for more information.
\subsubsection{Type Objects}
+\label{bltin-type-objects}
Type objects represent the various object types. An object's type is
accessed by the built-in function \code{type()}. There are no special
@@ -673,6 +674,7 @@
Types are written like this: \code{<type 'int'>}.
\subsubsection{The Null Object}
+\label{bltin-null-object}
This object is returned by functions that don't explicitly return a
value. It supports no special operations. There is exactly one null
@@ -681,6 +683,7 @@
It is written as \code{None}.
\subsubsection{File Objects}
+\label{bltin-file-objects}
File objects are implemented using \C{}'s \code{stdio} package and can be
created with the built-in function \code{open()} described under