Patch #1490190: posixmodule now includes os.chflags() and os.lchflags()
functions on platforms where the underlying system calls are available.
diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex
index 355d8fa..cbb35f3 100644
--- a/Doc/lib/libos.tex
+++ b/Doc/lib/libos.tex
@@ -758,6 +758,26 @@
 \versionadded{2.3}
 \end{funcdesc}
 
+\begin{funcdesc}{chflags}{path, flags}
+Set the flags of \var{path} to the numeric \var{flags}.
+\var{flags} may take a combination (bitwise OR) of the following values
+(as defined in the \module{stat} module):
+\begin{itemize}
+  \item \code{UF_NODUMP}
+  \item \code{UF_IMMUTABLE}
+  \item \code{UF_APPEND}
+  \item \code{UF_OPAQUE}
+  \item \code{UF_NOUNLINK}
+  \item \code{SF_ARCHIVED}
+  \item \code{SF_IMMUTABLE}
+  \item \code{SF_APPEND}
+  \item \code{SF_NOUNLINK}
+  \item \code{SF_SNAPSHOT}
+\end{itemize}
+Availability: Macintosh, \UNIX.
+\versionadded{2.6}
+\end{funcdesc}
+
 \begin{funcdesc}{chroot}{path}
 Change the root directory of the current process to \var{path}.
 Availability: Macintosh, \UNIX.
@@ -804,6 +824,13 @@
 Availability: Macintosh, \UNIX.
 \end{funcdesc}
 
+\begin{funcdesc}{lchflags}{path, flags}
+Set the flags of \var{path} to the numeric \var{flags}, like
+\function{chflags()}, but do not follow symbolic links.
+Availability: \UNIX.
+\versionadded{2.6}
+\end{funcdesc}
+
 \begin{funcdesc}{lchown}{path, uid, gid}
 Change the owner and group id of \var{path} to the numeric \var{uid}
 and gid. This function will not follow symbolic links.