eh, maybe this will be better?

Author: skirpichev

peps/pep-0757.rst

@@ -114,7 +114,7 @@ Export API
    * If :c:member:`digits` is ``NULL``, only use the :c:member:`value` member.
    * If :c:member:`digits` is not ``NULL``, use :c:member:`negative`,
      :c:member:`ndigits` and :c:member:`digits` members.
- 
+
    .. c:member:: int64_t value
 
       The native integer value of the exported :class:`int` object.
@@ -154,11 +154,8 @@ If :c:member:`PyLongExport.digits` is not ``NULL``, a private field of the
    :c:func:`PyLong_FreeExport` must be called when the export is no longer
    needed.
 
-   .. admonition:: CPython implementation detail
-      :class: warning
-
-      This function always succeeds if *obj* is a Python :class:`int` object
-      or a subclass.
+   **CPython implementation detail**: This function always succeeds if *obj* is
+   a Python :class:`int` object or a subclass.
 
 
 On CPython 3.14, no memory copy is needed in :c:func:`PyLong_Export`, it's just
@@ -169,11 +166,8 @@ a thin wrapper to expose Python :class:`int` internal digits array.
 
    Release the export *export_long* created by :c:func:`PyLong_Export`.
 
-   .. admonition:: CPython implementation detail
-      :class: warning
-
-      Calling :c:func:`PyLong_FreeExport` is optional if *export_long->digits*
-      is ``NULL``.
+   **CPython implementation detail**: Calling :c:func:`PyLong_FreeExport` is
+   optional if *export_long->digits* is ``NULL``.
 
 
 Import API