ss="fl">2</span><span class="op">]</span><span class="op">]</span><span class="op">$</span><span class="va">x</span> <span class="op">==</span> <span class="va">x_coord</span> <span class="op">&amp;</span> <span class="va">hover</span><span class="op">$</span><span class="va">y</span> <span class="op">&gt;</span> <span class="va">pbuilt</span><span class="op">$</span><span class="va">data</span><span class="op">[[</span><span class="fl">2</span><span class="op">]</span><span class="op">]</span><span class="