Some logical markup.

Doc/lib/libsite.tex

@@ -15,8 +15,8 @@ This will append site-specific paths to to the module search path.
 It starts by constructing up to four directories from a head and a
 tail part.  For the head part, it uses \code{sys.prefix} and
 \code{sys.exec_prefix}; empty heads are skipped.  For
-the tail part, it uses the empty string (on Mac or Windows) or it uses
-first \file{lib/python\var{version}/site-packages} and then
+the tail part, it uses the empty string (on Macintosh or Windows) or
+it uses first \file{lib/python\var{version}/site-packages} and then
 \file{lib/site-python} (on \UNIX{}).  For each of the distinct
 head-tail combinations, it sees if it refers to an existing directory,
 and if so, adds to \code{sys.path}, and also inspected for path
@@ -73,11 +73,11 @@ Note that \file{bletch} is omitted because it doesn't exist; the
 configuration file.
 
 After these path manipulations, an attempt is made to import a module
-named \code{sitecustomize}\refmodindex{sitecustomize}, which can
+named \module{sitecustomize}\refmodindex{sitecustomize}, which can
 perform arbitrary site-specific customizations.  If this import fails
-with an \code{ImportError} exception, it is silently ignored.
+with an \exception{ImportError} exception, it is silently ignored.
 
 Note that for some non-\UNIX{} systems, \code{sys.prefix} and
 \code{sys.exec_prefix} are empty, and the path manipulations are
 skipped; however the import of
-\code{sitecustomize}\refmodindex{sitecustomize} is still attempted.
+\module{sitecustomize}\refmodindex{sitecustomize} is still attempted.

Doc/libsite.tex

@@ -15,8 +15,8 @@ This will append site-specific paths to to the module search path.
 It starts by constructing up to four directories from a head and a
 tail part.  For the head part, it uses \code{sys.prefix} and
 \code{sys.exec_prefix}; empty heads are skipped.  For
-the tail part, it uses the empty string (on Mac or Windows) or it uses
-first \file{lib/python\var{version}/site-packages} and then
+the tail part, it uses the empty string (on Macintosh or Windows) or
+it uses first \file{lib/python\var{version}/site-packages} and then
 \file{lib/site-python} (on \UNIX{}).  For each of the distinct
 head-tail combinations, it sees if it refers to an existing directory,
 and if so, adds to \code{sys.path}, and also inspected for path
@@ -73,11 +73,11 @@ Note that \file{bletch} is omitted because it doesn't exist; the
 configuration file.
 
 After these path manipulations, an attempt is made to import a module
-named \code{sitecustomize}\refmodindex{sitecustomize}, which can
+named \module{sitecustomize}\refmodindex{sitecustomize}, which can
 perform arbitrary site-specific customizations.  If this import fails
-with an \code{ImportError} exception, it is silently ignored.
+with an \exception{ImportError} exception, it is silently ignored.
 
 Note that for some non-\UNIX{} systems, \code{sys.prefix} and
 \code{sys.exec_prefix} are empty, and the path manipulations are
 skipped; however the import of
-\code{sitecustomize}\refmodindex{sitecustomize} is still attempted.
+\module{sitecustomize}\refmodindex{sitecustomize} is still attempted.