ss="r-out co"><span class="r-pr">#&gt;</span> $s</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  s</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> $t0</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  t0</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<s