Added \label{} for logical addressing.
diff --git a/Doc/lib/liballos.tex b/Doc/lib/liballos.tex
index cfd7e46..fca7567 100644
--- a/Doc/lib/liballos.tex
+++ b/Doc/lib/liballos.tex
@@ -1,10 +1,11 @@
\chapter{Generic Operating System Services}
+\label{allos}
The modules described in this chapter provide interfaces to operating
system features that are available on (almost) all operating systems,
such as files and a clock. The interfaces are generally modelled
-after the \UNIX{} or C interfaces but they are available on most other
-systems as well. Here's an overview:
+after the \UNIX{} or \C{} interfaces but they are available on most
+other systems as well. Here's an overview:
\begin{description}
diff --git a/Doc/lib/libcrypto.tex b/Doc/lib/libcrypto.tex
index a04c849..e81404c 100644
--- a/Doc/lib/libcrypto.tex
+++ b/Doc/lib/libcrypto.tex
@@ -1,4 +1,5 @@
\chapter{Cryptographic Services}
+\label{crypto}
\index{cryptography}
The modules described in this chapter implement various algorithms of
diff --git a/Doc/lib/libmm.tex b/Doc/lib/libmm.tex
index a36915f..8660909 100644
--- a/Doc/lib/libmm.tex
+++ b/Doc/lib/libmm.tex
@@ -1,4 +1,5 @@
\chapter{Multimedia Services}
+\label{mmedia}
The modules described in this chapter implement various algorithms or
interfaces that are mainly useful for multimedia applications. They
diff --git a/Doc/lib/libposixfile.tex b/Doc/lib/libposixfile.tex
index 7d824cf..787a84e 100644
--- a/Doc/lib/libposixfile.tex
+++ b/Doc/lib/libposixfile.tex
@@ -1,7 +1,8 @@
% Manual text and implementation by Jaap Vermeulen
\section{Standard Module \sectcode{posixfile}}
+\label{module-posixfile}
\bimodindex{posixfile}
-\indexii{posix}{file object}
+\indexii{\POSIX{}}{file object}
\emph{Note:} This module will become obsolete in a future release.
The locking operation that it provides is done better and more