GNU bug report logs - #79330
misleading ring-convert-sequence-to-ring

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Liu Hui <liuhui1610 <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: misleading ring-convert-sequence-to-ring
Date: Thu, 28 Aug 2025 18:47:00 +0800

The docstring of ring-convert-sequence-to-ring says it "convert
sequence SEQ to a ring", but it actually ignores any item equal to the
first item, which is not mentioned:

ELISP> (ring-convert-sequence-to-ring '(a a a))
(2 1 . [nil nil a])

ELISP> (ring-convert-sequence-to-ring '(a b c a b c))
(1 5 . [nil c b c b a])

I think either the function or the docstring need to be fixed.

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