Support older PYTHON_API_VERSIONs for backwards compatibility.

Modules/Setup.dist

@@ -151,9 +151,7 @@ GLHACK=-Dclear=__GLclear
 #_codecs _codecsmodule.c	# access to the builtin codecs and codec registry
 #_testcapi _testcapimodule.c    # Python C API test module
 
-#unicodedata unicodedata.c unicodedatabase.c
-                        # static Unicode character database
-#ucnhash ucnhash.c # Unicode Character Name expansion hash table
+#unicodedata unicodedata.c    # static Unicode character database
 
 #_locale _localemodule.c  # access to ISO C locale support
 

Modules/pyexpat.c

@@ -257,8 +257,10 @@ getcode(enum HandlerTypes slot, char* func_name, int lineno)
 			nulltuple,	/* consts */
 			nulltuple,	/* names */
 			nulltuple,	/* varnames */
+#if PYTHON_API_VERSION >= 1010
 			nulltuple,	/* freevars */
 			nulltuple,	/* cellvars */
+#endif
 			filename,	/* filename */
 			name,		/* name */
 			lineno,		/* firstlineno */
@@ -290,8 +292,11 @@ call_with_frame(PyCodeObject *c, PyObject* func, PyObject* args)
 			tstate,			/*back*/
 			c,			/*code*/
 			tstate->frame->f_globals,	/*globals*/
-			NULL,			/*locals*/
-			NULL);                  /* closure */
+			NULL			/*locals*/
+#if PYTHON_API_VERSION >= 1010
+			,NULL			/*closure*/
+#endif
+		);
 	if (f == NULL)
 		return NULL;
 	tstate->frame = f;