diff --git a/Doc/lib/libamoeba.tex b/Doc/lib/libamoeba.tex
index 1f7015f..747c5f3 100644
--- a/Doc/lib/libamoeba.tex
+++ b/Doc/lib/libamoeba.tex
@@ -119,7 +119,7 @@
 \end{funcdesc}
 
 \begin{funcdesc}{tod_gettime}{}
-Returns the time (in seconds since the Epoch, in UCT, as for POSIX) from
+Returns the time (in seconds since the Epoch, in UCT, as for \POSIX{}) from
 a time server.
 \end{funcdesc}
 
diff --git a/Doc/lib/liblocale.tex b/Doc/lib/liblocale.tex
index 602988b..a0ecf39 100644
--- a/Doc/lib/liblocale.tex
+++ b/Doc/lib/liblocale.tex
@@ -3,9 +3,9 @@
 
 \label{module-locale}
 
-The \code{locale} module opens access to the POSIX locale database and
-functionality. The POSIX locale mechanism allows applications to
-integrate certain cultural aspects into an applications, without
+The \code{locale} module opens access to the \POSIX{} locale database
+and functionality. The \POSIX{} locale mechanism allows applications
+to integrate certain cultural aspects into an applications, without
 requiring the programmer to know all the specifics of each country
 where the software is executed.
 
diff --git a/Doc/lib/libnntplib.tex b/Doc/lib/libnntplib.tex
index b721efb..c2d470a 100644
--- a/Doc/lib/libnntplib.tex
+++ b/Doc/lib/libnntplib.tex
@@ -32,7 +32,7 @@
 3798 Re: a few questions about the Mac implementation 
 3799 Re: PROPOSAL: A Generic Python Object Interface for Python C Modules
 3802 Re: executable python scripts 
-3803 Re: POSIX wait and SIGCHLD
+3803 Re: \POSIX{} wait and SIGCHLD
 >>> s.quit()
 '205 news.cwi.nl closing connection.  Goodbye.'
 >>> 
diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex
index 1853b3f..763d2f3 100644
--- a/Doc/lib/libos.tex
+++ b/Doc/lib/libos.tex
@@ -13,7 +13,7 @@
 Python's built-in OS dependent modules is such that as long as the same
 functionality is available, it uses the same interface; e.g., the
 function \code{os.stat(\var{file})} returns stat info about a \var{file} in a
-format compatible with the POSIX interface.
+format compatible with the \POSIX{} interface.
 
 Extensions peculiar to a particular OS are also available through the
 \code{os} module, but using them is of course a threat to portability!
@@ -43,20 +43,20 @@
 
 \begin{datadesc}{curdir}
 The constant string used by the OS to refer to the current directory,
-e.g. \code{'.'} for POSIX or \code{':'} for the Mac.
+e.g. \code{'.'} for \POSIX{} or \code{':'} for the Mac.
 \end{datadesc}
 
 \begin{datadesc}{pardir}
 The constant string used by the OS to refer to the parent directory,
-e.g. \code{'..'} for POSIX or \code{'::'} for the Mac.
+e.g. \code{'..'} for \POSIX{} or \code{'::'} for the Mac.
 \end{datadesc}
 
 \begin{datadesc}{sep}
 The character used by the OS to separate pathname components,
-e.g. \code{'/'} for POSIX or \code{':'} for the Mac.  Note that knowing this
-is not sufficient to be able to parse or concatenate pathnames---better
-use \code{os.path.split()} and \code{os.path.join()}---but it is
-occasionally useful.
+e.g. \code{'/'} for \POSIX{} or \code{':'} for the Mac.  Note that
+knowing this is not sufficient to be able to parse or concatenate
+pathnames --- better use \code{os.path.split()} and
+\code{os.path.join()}---but it is occasionally useful.
 \end{datadesc}
 
 \begin{datadesc}{altsep}
@@ -67,7 +67,7 @@
 
 \begin{datadesc}{pathsep}
 The character conventionally used by the OS to separate search patch
-components (as in \code{\$PATH}), e.g.\ \code{':'} for POSIX or
+components (as in \code{\$PATH}), e.g.\ \code{':'} for \POSIX{} or
 \code{';'} for MS-DOS.
 \end{datadesc}
 
diff --git a/Doc/lib/libposix.tex b/Doc/lib/libposix.tex
index 803cbbc..ddd467b 100644
--- a/Doc/lib/libposix.tex
+++ b/Doc/lib/libposix.tex
@@ -3,7 +3,7 @@
 \bimodindex{posix}
 
 This module provides access to operating system functionality that is
-standardized by the C Standard and the POSIX standard (a thinly disguised
+standardized by the C Standard and the \POSIX{} standard (a thinly disguised
 \UNIX{} interface).
 
 \strong{Do not import this module directly.}  Instead, import the
@@ -19,7 +19,7 @@
 \refstmodindex{os}
 
 The descriptions below are very terse; refer to the corresponding
-\UNIX{} manual (or POSIX documentation) entry for more information.
+\UNIX{} manual (or \POSIX{} documentation) entry for more information.
 Arguments called \var{path} refer to a pathname given as a string.
 
 Errors are reported as exceptions; the usual exceptions are given
@@ -52,8 +52,8 @@
 
 \renewcommand{\indexsubitem}{(exception in module posix)}
 \begin{excdesc}{error}
-This exception is raised when a POSIX function returns a
-POSIX-related error (e.g., not for illegal argument types).  Its
+This exception is raised when a \POSIX{} function returns a
+\POSIX{}-related error (e.g., not for illegal argument types).  Its
 string value is \code{'posix.error'}.  The accompanying value is a
 pair containing the numeric error code from \code{errno} and the
 corresponding string, as would be printed by the C function
@@ -214,7 +214,7 @@
 \end{funcdesc}
 
 \begin{funcdesc}{mkfifo}{path\optional{\, mode}}
-Create a FIFO (a POSIX named pipe) named \var{path} with numeric mode
+Create a FIFO (a \POSIX{} named pipe) named \var{path} with numeric mode
 \var{mode}.  The default \var{mode} is 0666 (octal).  The current
 umask value is first masked out from the mode.
 (Not on MS-DOS.)
diff --git a/Doc/lib/libppath.tex b/Doc/lib/libppath.tex
index 01f05a1..5298012 100644
--- a/Doc/lib/libppath.tex
+++ b/Doc/lib/libppath.tex
@@ -2,7 +2,7 @@
 \label{module-posixpath}
 \stmodindex{posixpath}
 
-This module implements some useful functions on POSIX pathnames.
+This module implements some useful functions on \POSIX{} pathnames.
 
 \strong{Do not import this module directly.}  Instead, import the
 module \code{os} and use \code{os.path}.
@@ -78,7 +78,7 @@
 function checks whether \var{p}'s parent, \file{\var{p}/..}, is on a
 different device than \var{p}, or whether \file{\var{p}/..} and
 \var{p} point to the same i-node on the same device --- this should
-detect mount points for all \UNIX{} and POSIX variants.
+detect mount points for all \UNIX{} and \POSIX{} variants.
 \end{funcdesc}
 
 \begin{funcdesc}{join}{p\optional{\, q\optional{\, ...}}}
diff --git a/Doc/lib/libtermios.tex b/Doc/lib/libtermios.tex
index 1db8af8..afdd141 100644
--- a/Doc/lib/libtermios.tex
+++ b/Doc/lib/libtermios.tex
@@ -1,15 +1,15 @@
 \section{Built-in Module \sectcode{termios}}
 \label{module-termios}
 \bimodindex{termios}
-\indexii{Posix}{I/O control}
+\indexii{\POSIX{}}{I/O control}
 \indexii{tty}{I/O control}
 
 \renewcommand{\indexsubitem}{(in module termios)}
 
-This module provides an interface to the Posix calls for tty I/O
-control.  For a complete description of these calls, see the Posix or
+This module provides an interface to the \POSIX{} calls for tty I/O
+control.  For a complete description of these calls, see the \POSIX{} or
 \UNIX{} manual pages.  It is only available for those \UNIX{} versions
-that support Posix \code{termios} style tty I/O control (and then
+that support \POSIX{} \code{termios} style tty I/O control (and then
 only if configured at installation time).
 
 All functions in this module take a file descriptor \var{fd} as their
@@ -94,13 +94,13 @@
 %
 \section{Standard Module \sectcode{TERMIOS}}
 \stmodindex{TERMIOS}
-\indexii{Posix}{I/O control}
+\indexii{\POSIX{}}{I/O control}
 \indexii{tty}{I/O control}
 
 \renewcommand{\indexsubitem}{(in module TERMIOS)}
 
 This module defines the symbolic constants required to use the
-\code{termios} module (see the previous section).  See the Posix or
+\code{termios} module (see the previous section).  See the \POSIX{} or
 \UNIX{} manual pages (or the source) for a list of those constants.
 \refbimodindex{termios}
 
diff --git a/Doc/lib/libthread.tex b/Doc/lib/libthread.tex
index fcee360..911c145 100644
--- a/Doc/lib/libthread.tex
+++ b/Doc/lib/libthread.tex
@@ -13,7 +13,7 @@
 \index{semaphores, binary}
 
 The module is optional.  It is supported on Windows NT and '95, SGI
-IRIX, Solaris 2.x, as well as on systems that have a POSIX thread
+IRIX, Solaris 2.x, as well as on systems that have a \POSIX{} thread
 (a.k.a. ``pthread'') implementation.
 \index{pthreads}
 \indexii{threads}{posix}
diff --git a/Doc/lib/libunix.tex b/Doc/lib/libunix.tex
index 05db4a9..9e1ea53 100644
--- a/Doc/lib/libunix.tex
+++ b/Doc/lib/libunix.tex
@@ -7,10 +7,10 @@
 \begin{description}
 
 \item[posix]
---- The most common Posix system calls (normally used via module \code{os}).
+--- The most common \POSIX{} system calls (normally used via module \code{os}).
 
 \item[posixpath]
---- Common Posix pathname manipulations (normally used via \code{os.path}).
+--- Common \POSIX{} pathname manipulations (normally used via \code{os.path}).
 
 \item[pwd]
 --- The password database (\code{getpwnam()} and friends).
@@ -28,7 +28,7 @@
 --- GNU's reinterpretation of dbm.
 
 \item[termios]
---- Posix style tty control.
+--- \POSIX{} style tty control.
 
 \item[TERMIOS]
 --- The symbolic constants required to use the \code{termios} module.