From:  croy <hate@spam.invalid.net>
Date:  27 May 2019 01:37:44 Hong Kong Time
Newsgroup:  news.mozilla.org/mozilla.support.calendar
Subject:  

Calendar and Lightning the Same Thing?

NNTP-Posting-Host:  63.245.210.105

The newsgroup and the Thunderbird tab call it "Calendar".  There is an extension called
"Lightning".  One and the same?