bpo-36974: expand call protocol documentation (GH-13844)
CC @encukou
I'm also adding Petr Viktorin as contributor for vectorcall in the "what's new" section.
https://bugs.python.org/issue36974
Automerge-Triggered-By: @encukou
Automerge-Triggered-By: @encukou
diff --git a/Doc/c-api/exceptions.rst b/Doc/c-api/exceptions.rst
index cd6df00..2edcbf7 100644
--- a/Doc/c-api/exceptions.rst
+++ b/Doc/c-api/exceptions.rst
@@ -697,6 +697,8 @@
``0`` on success, ``-1`` on failure.
+.. _recursion:
+
Recursion Control
=================
@@ -704,6 +706,8 @@
level, both in the core and in extension modules. They are needed if the
recursive code does not necessarily invoke Python code (which tracks its
recursion depth automatically).
+They are also not needed for *tp_call* implementations
+because the :ref:`call protocol <call>` takes care of recursion handling.
.. c:function:: int Py_EnterRecursiveCall(const char *where)