Subject: bug#68369: [BUG] Unexpected behaviour with Rmail starting from message #22

From: Eli Zaretskii <[email-masked]>
Date: Wed, 10 Jan 2024 16:42:44 +0200

> Date: Wed, 10 Jan 2024 13:01:32 +0000
> From: [email-masked]
> 
> A. Open any Rmail mailbox with at least 22 messages. Suppose for 
> simplicity that this Rmail mailbox is connected via imap to a remote 
> mailbox which won't receive any new message for the duration of our 
> experiment.
> B. Place yourself over any message from 1 to 21: the echo area says 
> nothing. Now press the key "g" to update your mailbox, the echo area 
> displays "0 new messages read"
> C. Place yourself over message number 22 or higher (say we choose number 
> 22): the echo area now says "Showing message 22...done"!! Now press the 
> key "g" to update your mailbox, the echo area now displays "Showing 
> message 22...done"!!
> 
> What is going on from message #22?

See rmail-show-message-verbose-min.

This is not a bug.