+ <h3>Encoding a gap</h3>
+ <p>There's one extra wrinkle. What if one of the series has a missing
+ value, i.e. what if your series are something like </p>
+
+ <table><tr>
+ <td valign=top>
+ <table>
+ <table class=thinborder>
+ <tr><th>x</th><th>A</th></tr>
+ <tr><td>2</td><td>2</td></tr>
+ <tr><td>4</td><td>4</td></tr>
+ <tr><td>6</td><td>(gap)</td></tr>
+ <tr><td>8</td><td>8</td></tr>
+ <tr><td>10</td><td>10</td></tr>
+ </table>
+ </td>
+ <td valign=top style="padding-left:25px;">
+ <table class=thinborder>
+ <tr><th>x</th><th>B</th></tr>
+ <tr><td>1</td><td>3</td></tr>
+ <tr><td>3</td><td>5</td></tr>
+ <tr><td>5</td><td>7</td></tr>
+ </table>
+ </td>
+ </tr></table>
+
+ <div id="graph3" style="float: right; margin-right: 50px; width: 400px; height: 300px;"></div>
+ <p>The gap would normally be encoded as a null, or missing value. But when you use <code>connectSeparatedPoints</code>, that has a special meaning. Instead, you have to use <code>NaN</code>. This is a bit of a hack, but it gets the job done.</p>
+
+ <script type="text/javascript">
+ g2 = new Dygraph(
+ document.getElementById("graph3"),
+"x,A,B \n" +
+"1,,3 \n" +
+"2,2, \n" +
+"3,,5 \n" +
+"4,4, \n" +
+"5,,7 \n" +
+"6,NaN, \n" +
+"8,8, \n" +
+"10,10, \n"
+ , {
+ connectSeparatedPoints: true,
+ drawPoints: true
+ }
+ );
+ </script>
+
+ <table><tr>
+ <td valign=top>
+ (CSV)
+ <pre>x,A,B
+1,,3
+2,2,
+3,,5
+4,4,
+5,,7
+6,NaN,
+8,8,
+10,10,</pre>
+ </td>
+ <td valign=top style="padding-left: 25px;">
+ (native)
+ <pre>[ [1, null, 3],
+ [2, 2, null],
+ [3, null, 5],
+ [4, 4, null],
+ [5, null, 7],
+ [6, NaN, null],
+ [8, 8, null],
+ [10, 10, null] ]</pre>
+ </td>
+ </tr></table>
+