From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 13 Jul 2021 14:41:12 +0000 (-0700)
Subject: bpo-43126: Expand docs on io.IOBase.readlines() method (GH-27061) (GH-27113)
X-Git-Tag: v3.10.0rc1~134
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9b369c952cbefb064dda6cb781e66cc1b793fffa;p=thirdparty%2FPython%2Fcpython.git

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>
---

diff --git a/Doc/library/io.rst b/Doc/library/io.rst
index f9ffc19fac48..0881015c7fad 100644
--- a/Doc/library/io.rst
+++ b/Doc/library/io.rst
@@ -391,6 +391,9 @@ I/O Base Classes
       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()``.