lots of markup nits, most commonly Unix/unix --> \UNIX
diff --git a/Doc/mac/libmacfs.tex b/Doc/mac/libmacfs.tex
index 944ea1b..12a7cc3 100644
--- a/Doc/mac/libmacfs.tex
+++ b/Doc/mac/libmacfs.tex
@@ -22,10 +22,10 @@
 argument can be one of three things:\ (1) a full or partial Macintosh
 pathname, (2) an \class{FSSpec} object or (3) a 3-tuple
 \code{(\var{wdRefNum}, \var{parID}, \var{name})} as described in
-\citetitle{Inside Macintosh:\ Files}. An \class{FSSpec} can point to
+\citetitle{Inside Macintosh:\ Files}.  An \class{FSSpec} can point to
 a non-existing file, as long as the folder containing the file exists.
-Under MacPython the same is true for a pathname, but not under unix-Pyton
-because of the way pathnames and FSRefs works. See Apple's documentation
+Under MacPython the same is true for a pathname, but not under \UNIX-Python
+because of the way pathnames and FSRefs works.  See Apple's documentation
 for details.
 
 A description of aliases and the
diff --git a/Doc/mac/libmacos.tex b/Doc/mac/libmacos.tex
index b22b39c..e50b99b 100644
--- a/Doc/mac/libmacos.tex
+++ b/Doc/mac/libmacos.tex
@@ -25,7 +25,7 @@
 incompatible between linking models, packages could use this information to give
 more decent error messages. The value is one of \code{'static'} for a
 statically linked Python, \code{'framework'} for Python in a Mac OS X framework,
-\code{'shared'} for Python in a standard unix shared library.
+\code{'shared'} for Python in a standard \UNIX{} shared library.
 Older Pythons could also have the value
 \code{'cfm'} for Mac OS 9-compatible Python.
 \end{datadesc}
diff --git a/Doc/mac/using.tex b/Doc/mac/using.tex
index bfa478e..b21a98e 100644
--- a/Doc/mac/using.tex
+++ b/Doc/mac/using.tex
@@ -6,7 +6,7 @@
 features such as the IDE and the Package Manager that are worth pointing out.
 
 Python on Mac OS 9 or earlier can be quite different from Python on
-Unix or Windows, but is beyond the scope of this manual, as that platform
+\UNIX{} or Windows, but is beyond the scope of this manual, as that platform
 is no longer supported, starting with Python 2.4. See
 \url{http://www.cwi.nl/\textasciitilde jack/macpython} for installers
 for the latest 2.3 release for Mac OS 9 and related documentation.