mkstemp's last argument changed from binary=True to text=False.
diff --git a/Doc/lib/libtempfile.tex b/Doc/lib/libtempfile.tex
index 8b778e9..c56110d 100644
--- a/Doc/lib/libtempfile.tex
+++ b/Doc/lib/libtempfile.tex
@@ -67,7 +67,7 @@
\begin{funcdesc}{mkstemp}{\optional{suffix}
\optional{, prefix}
\optional{, dir}
- \optional{, binary=1}}
+ \optional{, text=False}}
Creates a temporary file in the most secure manner possible. There
are no race conditions in the file's creation, assuming that the
platform properly implements the \constant{O_EXCL} flag for
@@ -90,7 +90,7 @@
If \var{dir} is specified, the file will be created in that directory;
otherwise, a default directory is used.
-If \var{binary} is specified, it indicates whether to open the file in
+If \var{text} is specified, it indicates whether to open the file in
binary mode (the default) or text mode. On some platforms, this makes
no difference.