4 files changed, 7 insertions, 3 deletions
diff --git a/Doc/lib/liballos.tex b/Doc/lib/liballos.tex
index cfd7e46482..fca7567fc2 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 a04c84965c..e81404cf74 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 a36915fc7f..8660909602 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 7d824cf1ef..787a84ee85 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