Subject: bug#22846: 25.0.91; Long pauses viewing HTML email; can we show progress?

From: Eli Zaretskii <[email-masked]>
Date: Tue, 01 Mar 2016 05:36:33 +0200

> From: Lars Ingebrigtsen <[email-masked]>
> Cc: [email-masked]
> Date: Tue, 01 Mar 2016 08:25:50 +1100
> 
> > Are you talking about delayed-warnings-list, delayed-warnings-hook,
> > and display-delayed-warnings?
> 
> You can control the timeout and cancel the warnings automatically with
> the delayed-warnings stuff?

I don't know, I just mentioned the only feature that sounds like what
you wanted.  It's supposed to be fully documented.