mass changes; fix titles; add examples; correct typos; clarifications;
 unified style; etc.
diff --git a/Doc/libmac.tex b/Doc/libmac.tex
index 62babda..545b62c 100644
--- a/Doc/libmac.tex
+++ b/Doc/libmac.tex
@@ -2,7 +2,7 @@
 
 The modules in this chapter are available on the Apple Macintosh only.
 
-\section{Built-in module \sectcode{mac}}
+\section{Built-in Module \sectcode{mac}}
 
 \bimodindex{mac}
 This module provides a subset of the operating system dependent
@@ -22,7 +22,7 @@
 \code{unlink},
 as well as the exception \code{error}.
 
-\section{Standard module \sectcode{macpath}}
+\section{Standard Module \sectcode{macpath}}
 
 \stmodindex{macpath}
 This module provides a subset of the pathname manipulation functions