Subject: 27.1; Mention how to unlimit

From: 積丹尼 Dan Jacobson <[email-masked]>
Date: Sat, 19 Jun 2021 21:24:41 +0800

(info "(gnus) Limiting") mentions how to limit, but not then also how to
unlimit back.

Apparently one must "q" quit the summary, and then reenter it.
OK, mention that.