commit 9b369c952cbefb064dda6cb781e66cc1b793fffa
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Tue Jul 13 07:41:12 2021 -0700
committer GitHub <noreply@github.com> Tue Jul 13 16:41:12 2021 +0200
tree 7cb7b899e883dcf929a43245675fa87367a1af13
parent 1cc6769e4146951d47528a97e56ba1e8e9ee7fc1

bpo-43126: Expand docs on io.IOBase.readlines() method (GH-27061) (GH-27113)

Co-authored-by: Łukasz Langa <lukasz@langa.pl>
(cherry picked from commit 3b5b99da4b256a31933112f4a2385386149c19e1)

Co-authored-by: andrei kulakov <andrei.avk@gmail.com>

Doc/library/io.rst

diff --git a/Doc/library/io.rst b/Doc/library/io.rst
index f9ffc19..0881015 100644
--- a/Doc/library/io.rst
+++ b/Doc/library/io.rst
@@ -391,6 +391,9 @@
       to control the number of lines read: no more lines will be read if the
       total size (in bytes/characters) of all lines so far exceeds *hint*.
 
+      *hint* values of ``0`` or less, as well as ``None``, are treated as no
+      hint.
+
       Note that it's already possible to iterate on file objects using ``for
       line in file: ...`` without calling ``file.readlines()``.