Reflow paragraph to work around LaTeX2HTML dropping a space.
Make all references to the os module hyperlinks.
diff --git a/Doc/lib/libposix.tex b/Doc/lib/libposix.tex
index c334893..1e7016d 100644
--- a/Doc/lib/libposix.tex
+++ b/Doc/lib/libposix.tex
@@ -4,7 +4,7 @@
\declaremodule{builtin}{posix}
\platform{Unix}
\modulesynopsis{The most common \POSIX{} system calls (normally used
-via module \module{os}).}
+ via module \module{os}).}
This module provides access to operating system functionality that is
@@ -13,12 +13,12 @@
\strong{Do not import this module directly.} Instead, import the
module \refmodule{os}, which provides a \emph{portable} version of this
-interface. On \UNIX{}, the \module{os} module provides a superset of
+interface. On \UNIX{}, the \refmodule{os} module provides a superset of
the \module{posix} interface. On non-\UNIX{} operating systems the
\module{posix} module is not available, but a subset is always
-available through the \module{os} interface. Once \module{os} is
+available through the \refmodule{os} interface. Once \refmodule{os} is
imported, there is \emph{no} performance penalty in using it instead
-of \module{posix}. In addition, \module{os}\refstmodindex{os}
+of \module{posix}. In addition, \refmodule{os}\refstmodindex{os}
provides some additional functionality, such as automatically calling
\function{putenv()} when an entry in \code{os.environ} is changed.
@@ -68,8 +68,8 @@
\begin{datadesc}{environ}
A dictionary representing the string environment at the time the
interpreter was started. For example, \code{environ['HOME']} is the
-pathname of your home directory, equivalent to \code{getenv("HOME")}
-in C.
+pathname of your home directory, equivalent to
+\code{getenv("HOME")} in C.
Modifying this dictionary does not affect the string environment
passed on by \function{execv()}, \function{popen()} or