Fixed index references to modules.
diff --git a/Doc/libppath.tex b/Doc/libppath.tex
index 6bd8a20..01f05a1 100644
--- a/Doc/libppath.tex
+++ b/Doc/libppath.tex
@@ -6,7 +6,7 @@
\strong{Do not import this module directly.} Instead, import the
module \code{os} and use \code{os.path}.
-\stmodindex{os}
+\refstmodindex{os}
\renewcommand{\indexsubitem}{(in module posixpath)}
@@ -38,6 +38,7 @@
an initial \samp{\~\var{user}} is looked up in the password directory through
the built-in module \code{pwd}. If the expansion fails, or if the
path does not begin with a tilde, the path is returned unchanged.
+\refbimodindex{pwd}
\end{funcdesc}
\begin{funcdesc}{expandvars}{p}
@@ -54,14 +55,14 @@
\begin{funcdesc}{isfile}{p}
Return true if \var{p} is an existing regular file. This follows
-symbolic links, so both \code{islink()} and \code{isfile()} can be true for the same
-path.
+symbolic links, so both \code{islink()} and \code{isfile()} can be
+true for the same path.
\end{funcdesc}
\begin{funcdesc}{isdir}{p}
Return true if \var{p} is an existing directory. This follows
-symbolic links, so both \code{islink()} and \code{isdir()} can be true for the same
-path.
+symbolic links, so both \code{islink()} and \code{isdir()} can be true
+for the same path.
\end{funcdesc}
\begin{funcdesc}{islink}{p}
@@ -97,7 +98,7 @@
\begin{funcdesc}{samefile}{p\, q}
Return true if both pathname arguments refer to the same file or directory
(as indicated by device number and i-node number).
-Raise an exception if a stat call on either pathname fails.
+Raise an exception if a \code{stat()} call on either pathname fails.
\end{funcdesc}
\begin{funcdesc}{split}{p}