Patch #1537850: tempfile.NamedTemporaryFile now has a "delete" parameter
which can be set to False to prevent the default delete-on-close
behavior.
diff --git a/Doc/lib/libtempfile.tex b/Doc/lib/libtempfile.tex
index 9b4d848..cbecb1e 100644
--- a/Doc/lib/libtempfile.tex
+++ b/Doc/lib/libtempfile.tex
@@ -53,7 +53,7 @@
 \begin{funcdesc}{NamedTemporaryFile}{\optional{mode=\code{'w+b'}\optional{,
                                      bufsize=\code{-1}\optional{,
                                      suffix\optional{, prefix\optional{,
-                                     dir}}}}}}
+                                     dir\optional{, delete}}}}}}}
 This function operates exactly as \function{TemporaryFile()} does,
 except that the file is guaranteed to have a visible name in the file
 system (on \UNIX, the directory entry is not unlinked).  That name can
@@ -61,7 +61,10 @@
 the name can be used to open the file a second time, while the
 named temporary file is still open, varies across platforms (it can
 be so used on \UNIX; it cannot on Windows NT or later).
+If \var{delete} is true (the default), the file is deleted as soon as
+it is closed.
 \versionadded{2.3}
+\versionadded[The \var{delete} parameter]{2.6}
 \end{funcdesc}
 
 \begin{funcdesc}{mkstemp}{\optional{suffix\optional{,