s a good time to mention what&#8217;s different
between your last version and now, if it&#8217;s something significant. You do not
need the exact same body in your second cover letter; focus on explaining to
reviewers the changes you&#8217;ve made that may not be as visible.</p>
</div>
<div class="paragraph">
<p>You will also need to go and find the Message-Id of your previous cover letter.
You can either note it when you send the first series, from the output of <code>git
send-email</code>, or you can look