Add a mention of PYTHONBREAKPOINT to breakpoint() docs (#104430)

python · May 13, 2023 · 1be80ed · 1be80ed
1 parent 57139a6
commit 1be80ed
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diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
@@ -168,6 +168,13 @@ are always available.  They are listed here in alphabetical order.
    If :func:`sys.breakpointhook` is not accessible, this function will
    raise :exc:`RuntimeError`.
 
+   By default, the behavior of :func:`breakpoint` can be changed with
+   the :envvar:`PYTHONBREAKPOINT` environment variable.
+   See :func:`sys.breakpointhook` for usage details.
+
+   Note that this is not guaranteed if :func:`sys.breakpointhook`
+   has been replaced.
+
    .. audit-event:: builtins.breakpoint breakpointhook breakpoint
 
    .. versionadded:: 3.7