[3.11] gh-107801: Improve the docs of the SEEK_* constants (GH-108099) (#108100)

(cherry picked from commit 02079b010c39a89b284e8f0bb6d5f378e554260e)

Co-authored-by: Erlend E. Aasland <erlend@python.org>

diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index 1d0d1049ebd7ed96d6e3af1669b5f7476913a19a..993236c521a87ed1bc053148ea5a8fed37ca5b3c 100644 (file)
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -1070,16 +1070,26 @@ as internal buffering of data.
           SEEK_CUR
           SEEK_END
 
-   Parameters to the :func:`lseek` function. Their values are 0, 1, and 2,
-   respectively.
+   Parameters to the :func:`lseek` function and the :meth:`~io.IOBase.seek`
+   method on :term:`file-like objects <file object>`,
+   for whence to adjust the file position indicator.
+
+   :const:`SEEK_SET`
+      Adjust the file position relative to the beginning of the file.
+   :const:`SEEK_CUR`
+      Adjust the file position relative to the current file position.
+   :const:`SEEK_END`
+      Adjust the file position relative to the end of the file.
+
+   Their values are 0, 1, and 2, respectively.
 
 
 .. data:: SEEK_HOLE
           SEEK_DATA
 
    Parameters to the :func:`lseek` function and the :meth:`~io.IOBase.seek`
-   method on file objects, for seeking file data and holes on sparsely
-   allocated files.
+   method on :term:`file-like objects <file object>`,
+   for seeking file data and holes on sparsely allocated files.
 
    :data:`!SEEK_DATA`
       Adjust the file offset to the next location containing data,