SF bug #592859: os.chmod is underdocumented
Document constants for permission bits.
diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex
index c93c835..a2c013b 100644
--- a/Doc/lib/libos.tex
+++ b/Doc/lib/libos.tex
@@ -653,6 +653,28 @@
\begin{funcdesc}{chmod}{path, mode}
Change the mode of \var{path} to the numeric \var{mode}.
+\var{mode} may take one of the following values:
+\begin{itemize}
+ \item \code{S_ISUID}
+ \item \code{S_ISGID}
+ \item \code{S_ENFMT}
+ \item \code{S_ISVTX}
+ \item \code{S_IREAD}
+ \item \code{S_IWRITE}
+ \item \code{S_IEXEC}
+ \item \code{S_IRWXU}
+ \item \code{S_IRUSR}
+ \item \code{S_IWUSR}
+ \item \code{S_IXUSR}
+ \item \code{S_IRWXG}
+ \item \code{S_IRGRP}
+ \item \code{S_IWGRP}
+ \item \code{S_IXGRP}
+ \item \code{S_IRWXO}
+ \item \code{S_IROTH}
+ \item \code{S_IWOTH}
+ \item \code{S_IXOTH}
+\end{itemize}
Availability: \UNIX, Windows.
\end{funcdesc}