[3.8] bpo-38600: Change the mark up of NULL in the C API documentation. (GH-16950) (GH-16999)
Replace all *NULL* with ``NULL``.
(cherry picked from commit 25fc088607c855060ed142296dc1bd0125fad1af)
diff --git a/Doc/c-api/number.rst b/Doc/c-api/number.rst
index 74932f6..55ddb9c 100644
--- a/Doc/c-api/number.rst
+++ b/Doc/c-api/number.rst
@@ -17,25 +17,25 @@
.. c:function:: PyObject* PyNumber_Add(PyObject *o1, PyObject *o2)
- Returns the result of adding *o1* and *o2*, or *NULL* on failure. This is the
+ Returns the result of adding *o1* and *o2*, or ``NULL`` on failure. This is the
equivalent of the Python expression ``o1 + o2``.
.. c:function:: PyObject* PyNumber_Subtract(PyObject *o1, PyObject *o2)
- Returns the result of subtracting *o2* from *o1*, or *NULL* on failure. This is
+ Returns the result of subtracting *o2* from *o1*, or ``NULL`` on failure. This is
the equivalent of the Python expression ``o1 - o2``.
.. c:function:: PyObject* PyNumber_Multiply(PyObject *o1, PyObject *o2)
- Returns the result of multiplying *o1* and *o2*, or *NULL* on failure. This is
+ Returns the result of multiplying *o1* and *o2*, or ``NULL`` on failure. This is
the equivalent of the Python expression ``o1 * o2``.
.. c:function:: PyObject* PyNumber_MatrixMultiply(PyObject *o1, PyObject *o2)
- Returns the result of matrix multiplication on *o1* and *o2*, or *NULL* on
+ Returns the result of matrix multiplication on *o1* and *o2*, or ``NULL`` on
failure. This is the equivalent of the Python expression ``o1 @ o2``.
.. versionadded:: 3.5
@@ -43,14 +43,14 @@
.. c:function:: PyObject* PyNumber_FloorDivide(PyObject *o1, PyObject *o2)
- Return the floor of *o1* divided by *o2*, or *NULL* on failure. This is
+ Return the floor of *o1* divided by *o2*, or ``NULL`` on failure. This is
equivalent to the "classic" division of integers.
.. c:function:: PyObject* PyNumber_TrueDivide(PyObject *o1, PyObject *o2)
Return a reasonable approximation for the mathematical value of *o1* divided by
- *o2*, or *NULL* on failure. The return value is "approximate" because binary
+ *o2*, or ``NULL`` on failure. The return value is "approximate" because binary
floating point numbers are approximate; it is not possible to represent all real
numbers in base two. This function can return a floating point value when
passed two integers.
@@ -58,7 +58,7 @@
.. c:function:: PyObject* PyNumber_Remainder(PyObject *o1, PyObject *o2)
- Returns the remainder of dividing *o1* by *o2*, or *NULL* on failure. This is
+ Returns the remainder of dividing *o1* by *o2*, or ``NULL`` on failure. This is
the equivalent of the Python expression ``o1 % o2``.
@@ -66,7 +66,7 @@
.. index:: builtin: divmod
- See the built-in function :func:`divmod`. Returns *NULL* on failure. This is
+ See the built-in function :func:`divmod`. Returns ``NULL`` on failure. This is
the equivalent of the Python expression ``divmod(o1, o2)``.
@@ -74,21 +74,21 @@
.. index:: builtin: pow
- See the built-in function :func:`pow`. Returns *NULL* on failure. This is the
+ See the built-in function :func:`pow`. Returns ``NULL`` on failure. This is the
equivalent of the Python expression ``pow(o1, o2, o3)``, where *o3* is optional.
- If *o3* is to be ignored, pass :c:data:`Py_None` in its place (passing *NULL* for
+ If *o3* is to be ignored, pass :c:data:`Py_None` in its place (passing ``NULL`` for
*o3* would cause an illegal memory access).
.. c:function:: PyObject* PyNumber_Negative(PyObject *o)
- Returns the negation of *o* on success, or *NULL* on failure. This is the
+ Returns the negation of *o* on success, or ``NULL`` on failure. This is the
equivalent of the Python expression ``-o``.
.. c:function:: PyObject* PyNumber_Positive(PyObject *o)
- Returns *o* on success, or *NULL* on failure. This is the equivalent of the
+ Returns *o* on success, or ``NULL`` on failure. This is the equivalent of the
Python expression ``+o``.
@@ -96,70 +96,70 @@
.. index:: builtin: abs
- Returns the absolute value of *o*, or *NULL* on failure. This is the equivalent
+ Returns the absolute value of *o*, or ``NULL`` on failure. This is the equivalent
of the Python expression ``abs(o)``.
.. c:function:: PyObject* PyNumber_Invert(PyObject *o)
- Returns the bitwise negation of *o* on success, or *NULL* on failure. This is
+ Returns the bitwise negation of *o* on success, or ``NULL`` on failure. This is
the equivalent of the Python expression ``~o``.
.. c:function:: PyObject* PyNumber_Lshift(PyObject *o1, PyObject *o2)
- Returns the result of left shifting *o1* by *o2* on success, or *NULL* on
+ Returns the result of left shifting *o1* by *o2* on success, or ``NULL`` on
failure. This is the equivalent of the Python expression ``o1 << o2``.
.. c:function:: PyObject* PyNumber_Rshift(PyObject *o1, PyObject *o2)
- Returns the result of right shifting *o1* by *o2* on success, or *NULL* on
+ Returns the result of right shifting *o1* by *o2* on success, or ``NULL`` on
failure. This is the equivalent of the Python expression ``o1 >> o2``.
.. c:function:: PyObject* PyNumber_And(PyObject *o1, PyObject *o2)
- Returns the "bitwise and" of *o1* and *o2* on success and *NULL* on failure.
+ Returns the "bitwise and" of *o1* and *o2* on success and ``NULL`` on failure.
This is the equivalent of the Python expression ``o1 & o2``.
.. c:function:: PyObject* PyNumber_Xor(PyObject *o1, PyObject *o2)
- Returns the "bitwise exclusive or" of *o1* by *o2* on success, or *NULL* on
+ Returns the "bitwise exclusive or" of *o1* by *o2* on success, or ``NULL`` on
failure. This is the equivalent of the Python expression ``o1 ^ o2``.
.. c:function:: PyObject* PyNumber_Or(PyObject *o1, PyObject *o2)
- Returns the "bitwise or" of *o1* and *o2* on success, or *NULL* on failure.
+ Returns the "bitwise or" of *o1* and *o2* on success, or ``NULL`` on failure.
This is the equivalent of the Python expression ``o1 | o2``.
.. c:function:: PyObject* PyNumber_InPlaceAdd(PyObject *o1, PyObject *o2)
- Returns the result of adding *o1* and *o2*, or *NULL* on failure. The operation
+ Returns the result of adding *o1* and *o2*, or ``NULL`` on failure. The operation
is done *in-place* when *o1* supports it. This is the equivalent of the Python
statement ``o1 += o2``.
.. c:function:: PyObject* PyNumber_InPlaceSubtract(PyObject *o1, PyObject *o2)
- Returns the result of subtracting *o2* from *o1*, or *NULL* on failure. The
+ Returns the result of subtracting *o2* from *o1*, or ``NULL`` on failure. The
operation is done *in-place* when *o1* supports it. This is the equivalent of
the Python statement ``o1 -= o2``.
.. c:function:: PyObject* PyNumber_InPlaceMultiply(PyObject *o1, PyObject *o2)
- Returns the result of multiplying *o1* and *o2*, or *NULL* on failure. The
+ Returns the result of multiplying *o1* and *o2*, or ``NULL`` on failure. The
operation is done *in-place* when *o1* supports it. This is the equivalent of
the Python statement ``o1 *= o2``.
.. c:function:: PyObject* PyNumber_InPlaceMatrixMultiply(PyObject *o1, PyObject *o2)
- Returns the result of matrix multiplication on *o1* and *o2*, or *NULL* on
+ Returns the result of matrix multiplication on *o1* and *o2*, or ``NULL`` on
failure. The operation is done *in-place* when *o1* supports it. This is
the equivalent of the Python statement ``o1 @= o2``.
@@ -168,7 +168,7 @@
.. c:function:: PyObject* PyNumber_InPlaceFloorDivide(PyObject *o1, PyObject *o2)
- Returns the mathematical floor of dividing *o1* by *o2*, or *NULL* on failure.
+ Returns the mathematical floor of dividing *o1* by *o2*, or ``NULL`` on failure.
The operation is done *in-place* when *o1* supports it. This is the equivalent
of the Python statement ``o1 //= o2``.
@@ -176,7 +176,7 @@
.. c:function:: PyObject* PyNumber_InPlaceTrueDivide(PyObject *o1, PyObject *o2)
Return a reasonable approximation for the mathematical value of *o1* divided by
- *o2*, or *NULL* on failure. The return value is "approximate" because binary
+ *o2*, or ``NULL`` on failure. The return value is "approximate" because binary
floating point numbers are approximate; it is not possible to represent all real
numbers in base two. This function can return a floating point value when
passed two integers. The operation is done *in-place* when *o1* supports it.
@@ -184,7 +184,7 @@
.. c:function:: PyObject* PyNumber_InPlaceRemainder(PyObject *o1, PyObject *o2)
- Returns the remainder of dividing *o1* by *o2*, or *NULL* on failure. The
+ Returns the remainder of dividing *o1* by *o2*, or ``NULL`` on failure. The
operation is done *in-place* when *o1* supports it. This is the equivalent of
the Python statement ``o1 %= o2``.
@@ -193,44 +193,44 @@
.. index:: builtin: pow
- See the built-in function :func:`pow`. Returns *NULL* on failure. The operation
+ See the built-in function :func:`pow`. Returns ``NULL`` on failure. The operation
is done *in-place* when *o1* supports it. This is the equivalent of the Python
statement ``o1 **= o2`` when o3 is :c:data:`Py_None`, or an in-place variant of
``pow(o1, o2, o3)`` otherwise. If *o3* is to be ignored, pass :c:data:`Py_None`
- in its place (passing *NULL* for *o3* would cause an illegal memory access).
+ in its place (passing ``NULL`` for *o3* would cause an illegal memory access).
.. c:function:: PyObject* PyNumber_InPlaceLshift(PyObject *o1, PyObject *o2)
- Returns the result of left shifting *o1* by *o2* on success, or *NULL* on
+ Returns the result of left shifting *o1* by *o2* on success, or ``NULL`` on
failure. The operation is done *in-place* when *o1* supports it. This is the
equivalent of the Python statement ``o1 <<= o2``.
.. c:function:: PyObject* PyNumber_InPlaceRshift(PyObject *o1, PyObject *o2)
- Returns the result of right shifting *o1* by *o2* on success, or *NULL* on
+ Returns the result of right shifting *o1* by *o2* on success, or ``NULL`` on
failure. The operation is done *in-place* when *o1* supports it. This is the
equivalent of the Python statement ``o1 >>= o2``.
.. c:function:: PyObject* PyNumber_InPlaceAnd(PyObject *o1, PyObject *o2)
- Returns the "bitwise and" of *o1* and *o2* on success and *NULL* on failure. The
+ Returns the "bitwise and" of *o1* and *o2* on success and ``NULL`` on failure. The
operation is done *in-place* when *o1* supports it. This is the equivalent of
the Python statement ``o1 &= o2``.
.. c:function:: PyObject* PyNumber_InPlaceXor(PyObject *o1, PyObject *o2)
- Returns the "bitwise exclusive or" of *o1* by *o2* on success, or *NULL* on
+ Returns the "bitwise exclusive or" of *o1* by *o2* on success, or ``NULL`` on
failure. The operation is done *in-place* when *o1* supports it. This is the
equivalent of the Python statement ``o1 ^= o2``.
.. c:function:: PyObject* PyNumber_InPlaceOr(PyObject *o1, PyObject *o2)
- Returns the "bitwise or" of *o1* and *o2* on success, or *NULL* on failure. The
+ Returns the "bitwise or" of *o1* and *o2* on success, or ``NULL`` on failure. The
operation is done *in-place* when *o1* supports it. This is the equivalent of
the Python statement ``o1 |= o2``.
@@ -239,7 +239,7 @@
.. index:: builtin: int
- Returns the *o* converted to an integer object on success, or *NULL* on
+ Returns the *o* converted to an integer object on success, or ``NULL`` on
failure. This is the equivalent of the Python expression ``int(o)``.
@@ -247,13 +247,13 @@
.. index:: builtin: float
- Returns the *o* converted to a float object on success, or *NULL* on failure.
+ Returns the *o* converted to a float object on success, or ``NULL`` on failure.
This is the equivalent of the Python expression ``float(o)``.
.. c:function:: PyObject* PyNumber_Index(PyObject *o)
- Returns the *o* converted to a Python int on success or *NULL* with a
+ Returns the *o* converted to a Python int on success or ``NULL`` with a
:exc:`TypeError` exception raised on failure.
@@ -274,7 +274,7 @@
If *o* can be converted to a Python int but the attempt to
convert to a Py_ssize_t value would raise an :exc:`OverflowError`, then the
*exc* argument is the type of exception that will be raised (usually
- :exc:`IndexError` or :exc:`OverflowError`). If *exc* is *NULL*, then the
+ :exc:`IndexError` or :exc:`OverflowError`). If *exc* is ``NULL``, then the
exception is cleared and the value is clipped to *PY_SSIZE_T_MIN* for a negative
integer or *PY_SSIZE_T_MAX* for a positive integer.