ass="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
            <span class="k">if</span> <span class="n">sent</span><span class="p">[</span><span class="n">sent_ptr</span><span class="p">]</span> <span class="o">==</span> <span class="s2">&quot; &quot;</span><span class="p">:</span>
                <span class="c1"># Move sent pointer to whitespace token to reserve whitespace</span>
                <span class="c1"># cf. to prevent double white-space, we move pointe