f them tagged, and with branch <code>master</code> checked out:</p>
</div>
<div class="listingblock">
<div class="content">
<pre>           HEAD (refers to branch 'master')
            |
            v
a---b---c  branch 'master' (refers to commit 'c')
    ^
    |
  tag 'v2.0' (refers to commit 'b')</pre>
</div>
</div>
<div class="paragraph">
<p>When a commit is created in this state, the branch is updated to refer to
the new commit. Specifically, <em>git commit</em> creates a new commit <code>d</code>, whose