Talk:Sentinel value

this article got it totally wrong. Please read McConnell once again.

Clark's book?
from what I've heard, this name Sentinel comes from the book by Arther Clark by the same name where a "Sentinal" on the moon ends its signal to it's creator when it's discovered by humans —Preceding unsigned comment added by TMV943 (talk • contribs) 17:23, 23 October 2007 (UTC)

Linked list
Isn't the example in section == Linked list == an example of a sentinel node — and NOT of a sentinel value — with all its characteristics ?? Such an example is already contained in article sentinel node ! --Nomen4Omen (talk) 14:24, 20 October 2019 (UTC)