diff --git a/7.3.583 b/7.3.583
new file mode 100644
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--- /dev/null
+++ b/7.3.583
@@ -0,0 +1,79 @@
+To: vim_dev@googlegroups.com
+Subject: Patch 7.3.583
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.3.583
+Problem:    PyObject_NextNotImplemented is not defined before Python 2.7.
+	    (Danek Duvall)
+Solution:   Add #ifdefs.
+Files:	    src/if_python.c
+
+
+*** ../vim-7.3.582/src/if_python.c	2012-06-29 19:14:48.000000000 +0200
+--- src/if_python.c	2012-06-30 12:59:38.000000000 +0200
+***************
+*** 214,220 ****
+  # define Py_Finalize dll_Py_Finalize
+  # define Py_IsInitialized dll_Py_IsInitialized
+  # define _PyObject_New dll__PyObject_New
+! # define _PyObject_NextNotImplemented (*dll__PyObject_NextNotImplemented)
+  # define _Py_NoneStruct (*dll__Py_NoneStruct)
+  # define PyObject_Init dll__PyObject_Init
+  # define PyObject_GetIter dll_PyObject_GetIter
+--- 214,222 ----
+  # define Py_Finalize dll_Py_Finalize
+  # define Py_IsInitialized dll_Py_IsInitialized
+  # define _PyObject_New dll__PyObject_New
+! # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000
+! #  define _PyObject_NextNotImplemented (*dll__PyObject_NextNotImplemented)
+! # endif
+  # define _Py_NoneStruct (*dll__Py_NoneStruct)
+  # define PyObject_Init dll__PyObject_Init
+  # define PyObject_GetIter dll_PyObject_GetIter
+***************
+*** 310,316 ****
+--- 312,320 ----
+  static PyObject*(*dll__PyObject_New)(PyTypeObject *, PyObject *);
+  static PyObject*(*dll__PyObject_Init)(PyObject *, PyTypeObject *);
+  static PyObject* (*dll_PyObject_GetIter)(PyObject *);
++ # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000
+  static iternextfunc dll__PyObject_NextNotImplemented;
++ # endif
+  static PyObject* dll__Py_NoneStruct;
+  # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000
+  static int (*dll_PyType_IsSubtype)(PyTypeObject *, PyTypeObject *);
+***************
+*** 430,436 ****
+--- 434,442 ----
+      {"_PyObject_New", (PYTHON_PROC*)&dll__PyObject_New},
+      {"PyObject_Init", (PYTHON_PROC*)&dll__PyObject_Init},
+      {"PyObject_GetIter", (PYTHON_PROC*)&dll_PyObject_GetIter},
++ # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000
+      {"_PyObject_NextNotImplemented", (PYTHON_PROC*)&dll__PyObject_NextNotImplemented},
++ # endif
+      {"_Py_NoneStruct", (PYTHON_PROC*)&dll__Py_NoneStruct},
+  # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000
+      {"PyType_IsSubtype", (PYTHON_PROC*)&dll_PyType_IsSubtype},
+*** ../vim-7.3.582/src/version.c	2012-06-29 23:57:50.000000000 +0200
+--- src/version.c	2012-06-30 13:20:46.000000000 +0200
+***************
+*** 716,717 ****
+--- 716,719 ----
+  {   /* Add new patch number below this line */
++ /**/
++     583,
+  /**/
+
+-- 
+hundred-and-one symptoms of being an internet addict:
+90. Instead of calling you to dinner, your spouse sends e-mail.
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
+///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\  an exciting new programming language -- http://www.Zimbu.org        ///
+ \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///