From: Benjamin Peterson <benjamin@python.org>
Date: Thu, 29 Aug 2013 21:29:30 +0000 (-0400)
Subject: improve comment
X-Git-Tag: v3.4.0a2~75
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=da0bea213dd3c0cdf7a31936963c30203384dcc4;p=thirdparty%2FPython%2Fcpython.git

improve comment
---

diff --git a/Lib/datetime.py b/Lib/datetime.py
index b64637f2d4db..1789714034c9 100644
--- a/Lib/datetime.py
+++ b/Lib/datetime.py
@@ -23,10 +23,10 @@ _MAXORDINAL = 3652059 # date.max.toordinal()
 # for all computations.  See the book for algorithms for converting between
 # proleptic Gregorian ordinals and many other calendar systems.
 
-# -1 is a placeholder for 0.
+# -1 is a placeholder for indexing purposes.
 _DAYS_IN_MONTH = [-1, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
 
-_DAYS_BEFORE_MONTH = [-1] # -1 is a placeholder for 0.
+_DAYS_BEFORE_MONTH = [-1] # -1 is a placeholder for indexing purposes.
 dbm = 0
 for dim in _DAYS_IN_MONTH[1:]:
     _DAYS_BEFORE_MONTH.append(dbm)