Marked makedirs(), removedirs(), renames() as added in 1.5.2.
diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex
index b0ca13f..996c38c 100644
--- a/Doc/lib/libos.tex
+++ b/Doc/lib/libos.tex
@@ -85,6 +85,7 @@
\end{datadesc}
\begin{funcdesc}{makedirs}{path\optional{, mode}}
+\versionadded{1.5.2}
Recursive directory creation function. Like \function{mkdir()},
but makes all intermediate-level directories needed to contain the
leaf directory. Throws an \exception{os.error} exception if the leaf
@@ -93,6 +94,7 @@
\end{funcdesc}
\begin{funcdesc}{removedirs}{path}
+\versionadded{1.5.2}
Recursive directory removal function. Works like
\function{rmdir()} except that, if the leaf directory is
successfully removed, directories corresponding to rightmost path
@@ -103,6 +105,7 @@
\end{funcdesc}
\begin{funcdesc}{renames}{path}
+\versionadded{1.5.2}
Recursive directory or file renaming function.
Works like \function{rename()}, except creation of any intermediate
directories needed to make the new pathname good is attempted first.