Issue #20530: Argument Clinic's signature format has been revised again.
The new syntax is highly human readable while still preventing false
positives.  The syntax also extends Python syntax to denote "self" and
positional-only parameters, allowing inspect.Signature objects to be
totally accurate for all supported builtins in Python 3.4.
diff --git a/Objects/methodobject.c b/Objects/methodobject.c
index ead7443..f2616d4 100644
--- a/Objects/methodobject.c
+++ b/Objects/methodobject.c
@@ -182,13 +182,13 @@
 static PyObject *
 meth_get__text_signature__(PyCFunctionObject *m, void *closure)
 {
-    return _PyType_GetTextSignatureFromInternalDoc(m->m_ml->ml_doc);
+    return _PyType_GetTextSignatureFromInternalDoc(m->m_ml->ml_name, m->m_ml->ml_doc);
 }
 
 static PyObject *
 meth_get__doc__(PyCFunctionObject *m, void *closure)
 {
-    return _PyType_GetDocFromInternalDoc(m->m_ml->ml_doc);
+    return _PyType_GetDocFromInternalDoc(m->m_ml->ml_name, m->m_ml->ml_doc);
 }
 
 static PyObject *