Add some "used with permission" mentions where external resources are referenced.

Permission was validated prior to adding these markings.
2025-10-02 21:25:24 +00:00 · 2016-01-15 09:53:51 -08:00 · 2016-01-15 09:53:51 -08:00 · 07b954d148
commit 07b954d148
parent 45adb3100b
3 changed files with 4 additions and 1 deletions
--- a/Lib/datetime.py
+++ b/Lib/datetime.py
@ -896,6 +896,7 @@ class date:

        ISO calendar algorithm taken from
        http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm
+        (used with permission)
        """
        year = self._year
        week1monday = _isoweek1monday(year)