='period'>.</span><span class='id identifier rubyid_unshift'>unshift</span><span class='lparen'>(</span><span class='id identifier rubyid_remainder'>remainder</span><span class='rparen'>)</span>
    <span class='kw'>end</span>

    <span class='id identifier rubyid_existing_text'>existing_text</span> <span class='op'>=</span> <span class='id identifier rubyid_cur_label'>cur_label</span><span class='period'>.</span><span class='id identifier rubyid_text'>text</span>
    <span class='id identifier rubyid_cur_