>
<div class="content">
<pre>$ edit; git add; git commit

     HEAD (refers to commit 'e')
      |
      v
      e
     /
a---b---c---d  branch 'master' (refers to commit 'd')
    ^
    |
  tag 'v2.0' (refers to commit 'b')</pre>
</div>
</div>
<div class="paragraph">
<p>There is now a new commit <code>e</code>, but it is referenced only by <code>HEAD</code>. We can
of course add yet another commit in this state:</p>
</div>
<div class="listingblock">
<div class="content">
<pre>$ edit; git add; git commit

  