   * tag a commit
                     * @param @optional message
                     * @param @optional annotation
                     */</span>
                    tag <span class="string"><span class="delimiter">'</span><span class="content">a message</span><span class="delimiter">'</span></span>, <span class="string"><span class="delimiter">'</span><span class="content">an annotation</span><span class="delimiter">'</span></span>
                    <span class="comment">/**
                     * merg