Issue #28496: Mark up constants 0, 1 and -1 that denote return values or
special input values as literal text.
diff --git a/Doc/c-api/set.rst b/Doc/c-api/set.rst
index 8de0394..64b6dde 100644
--- a/Doc/c-api/set.rst
+++ b/Doc/c-api/set.rst
@@ -114,7 +114,7 @@
.. c:function:: int PySet_Contains(PyObject *anyset, PyObject *key)
- Return 1 if found, 0 if not found, and -1 if an error is encountered. Unlike
+ Return ``1`` if found, ``0`` if not found, and ``-1`` if an error is encountered. Unlike
the Python :meth:`__contains__` method, this function does not automatically
convert unhashable sets into temporary frozensets. Raise a :exc:`TypeError` if
the *key* is unhashable. Raise :exc:`PyExc_SystemError` if *anyset* is not a
@@ -125,8 +125,8 @@
Add *key* to a :class:`set` instance. Also works with :class:`frozenset`
instances (like :c:func:`PyTuple_SetItem` it can be used to fill-in the values
- of brand new frozensets before they are exposed to other code). Return 0 on
- success or -1 on failure. Raise a :exc:`TypeError` if the *key* is
+ of brand new frozensets before they are exposed to other code). Return ``0`` on
+ success or ``-1`` on failure. Raise a :exc:`TypeError` if the *key* is
unhashable. Raise a :exc:`MemoryError` if there is no room to grow. Raise a
:exc:`SystemError` if *set* is not an instance of :class:`set` or its
subtype.
@@ -138,7 +138,7 @@
.. c:function:: int PySet_Discard(PyObject *set, PyObject *key)
- Return 1 if found and removed, 0 if not found (no action taken), and -1 if an
+ Return ``1`` if found and removed, ``0`` if not found (no action taken), and ``-1`` if an
error is encountered. Does not raise :exc:`KeyError` for missing keys. Raise a
:exc:`TypeError` if the *key* is unhashable. Unlike the Python :meth:`~set.discard`
method, this function does not automatically convert unhashable sets into