[3.12] gh-123570: Add link to `weakref.ref` from `weakref_slot` docs in `dataclasses...

gh-123570: Add link to `weakref.ref` from `weakref_slot` docs in `dataclasses` (GH-123571)
(cherry picked from commit c3ed775899eedd47d37f8f1840345b108920e400)

Co-authored-by: sobolevn <mail@sobolevn.me>

diff --git a/Doc/library/dataclasses.rst b/Doc/library/dataclasses.rst
index 8f7b19755591cbfe10881b673bda4d4e52a93864..87c8725dd83c0994264c13d6d3c7686356dd8c30 100644 (file)
--- a/Doc/library/dataclasses.rst
+++ b/Doc/library/dataclasses.rst
@@ -215,7 +215,8 @@ Module contents
 
    - *weakref_slot*: If true (the default is ``False``), add a slot
      named "__weakref__", which is required to make an instance
-     weakref-able.  It is an error to specify ``weakref_slot=True``
+     :func:`weakref-able <weakref.ref>`.
+     It is an error to specify ``weakref_slot=True``
      without also specifying ``slots=True``.
 
     .. versionadded:: 3.11