Replying to list messages

[Terry Reedy]

Ben Finney wrote:

> For Thunderbird (which I see you're using, Paul), the open bug report
> is <URL:https://bugzilla.mozilla.org/show_bug.cgi?id=45715>.
> Meanwhile, you can install an add-on to provide the function
> <URL:http://www.juergen-ernst.de/addons/replytolist.html>.

When I read the list as a newsgroup (gmane.comp.python.general), the 
Reply button of Thunderbird replies to the newsgroup.  There is also a 
Replay All button and Message/Reply to Sender only menu selection.