Maintainer policy for GDB

[Eli Zaretskii]

> Date: Fri, 18 Nov 2005 21:44:55 -0500
> From: Christopher Faylor <me@cgf.cx>
> 
> Dunno if it helps but, coincidentally enough, I've transitioned this
> list to using a feature of the mailing list software which adds a
> "X-IsSubscribed: yes" to the header of a message if the sender was
> subscribed.

Thanks, I will look into programming Emacs to use this header.

Do you happen to know whether this header is used by other mailing
lists?  That is, are we talking about a solution that's private to
this list, or is it more general than that?  This is important for the
decision how to add this option to Emacs.