[3.14] gh-143578: Restore note about patchlevel.h (GH-143596) (#143725)

hugovk · encukou · web-flow · commit dcf499f95f3e · 2026-01-12T13:49:43.000+02:00
Co-authored-by: Petr Viktorin &lt;encukou@gmail.com&gt;
diff --git a/Doc/c-api/apiabiversion.rst b/Doc/c-api/apiabiversion.rst
@@ -46,6 +46,8 @@ See :ref:`stable` for a discussion of API and ABI stability across versions.
    Use this for numeric comparisons, for example,
    ``#if PY_VERSION_HEX >= ...``.
 
+These macros are defined in :source:`Include/patchlevel.h`.
+
 
 Run-time version
 ----------------
