diff --git a/examples/network/categories/data/JOIN ME WITH GRAPHVIZ.html b/examples/network/categories/data/JOIN ME WITH GRAPHVIZ.html
deleted file mode 100644
index 908aaa94..00000000
--- a/examples/network/categories/data/JOIN ME WITH GRAPHVIZ.html	
+++ /dev/null
@@ -1,219 +0,0 @@
-<!doctype html>
-<html>
-<head>
-  <title>Network | DOT language playground</title>
-
-  <script type="text/javascript" src="../../../../dist/vis.js"></script>
-  <link href="../../../../dist/vis.css" rel="stylesheet" type="text/css" />
-
-  <style type="text/css">
-    body, html {
-      font: 10pt sans;
-      width: 100%;
-      height: 100%;
-      padding: 0;
-      margin: 0;
-      color: #4d4d4d;
-    }
-
-    #frame {
-      width: 100%;
-      height: 99%;
-    }
-    #frame td {
-      padding: 10px;
-      height: 100%;
-    }
-    #error {
-      color: red;
-    }
-
-    #data {
-      width: 100%;
-      height: 100%;
-      border: 1px solid #d3d3d3;
-    }
-
-    #mynetwork {
-      float: left;
-      width: 100%;
-      height: 100%;
-      border: 1px solid #d3d3d3;
-      box-sizing: border-box;
-      -moz-box-sizing: border-box;
-      overflow: hidden;
-    }
-
-    textarea.example {
-      display: none;
-    }
-  </style>
-  <script src="../../../googleAnalytics.js"></script>
-</head>
-<body onload="drawExample('example1')">
-
-<table id="frame">
-  <col width="50%">
-  <col width="50%">
-  <tr>
-    <td colspan="2" style="height: 50px;">
-      <h1>DOT language playground</h1>
-      <div>
-        <a href="javascript: drawExample('example1')">example 1</a>
-        <a href="javascript: drawExample('example2')">example 2</a>
-        <a href="javascript: drawExample('example3')">example 3</a>
-      </div>
-      <div>
-        <br>
-        <button id="draw">Draw</button>
-        <span id="error"></span>
-      </div>
-    </td>
-  </tr>
-  <tr>
-    <td>
-      <textarea id="data"></textarea>
-    </td>
-    <td>
-      <div id="mynetwork"></div>
-    </td>
-  </tr>
-</table>
-
-<script type="text/javascript">
-  var network = null;
-  var data = null;
-
-  var btnDraw = document.getElementById('draw');
-  var txtData = document.getElementById('data');
-  var txtError = document.getElementById('error');
-  btnDraw.onclick = draw;
-
-  // resize the network when window resizes
-  window.onresize = function () {
-    network.redraw()
-  };
-
-  function destroy() {
-    if (network !== null) {
-      network.destroy();
-      network = null;
-    }
-  }
-
-  // parse and draw the data
-  function draw () {
-    destroy();
-    try {
-      txtError.innerHTML = '';
-
-      // Provide a string with data in DOT language
-      data = {
-        dot: txtData.value
-      };
-
-      // create a network
-      var container = document.getElementById('mynetwork');
-      var options = {
-        physics: {
-          barnesHut: {
-            springLength: 200
-          }
-        }
-      };
-      network = new vis.Network(container, data, options);
-    }
-    catch (err) {
-      // set the cursor at the position where the error occurred
-      var match = /\(char (.*)\)/.exec(err);
-      if (match) {
-        var pos = Number(match[1]);
-        if(txtData.setSelectionRange) {
-          txtData.focus();
-          txtData.setSelectionRange(pos, pos);
-        }
-      }
-
-      // show an error message
-      txtError.innerHTML =  err.toString();
-    }
-  }
-
-  /**
-   * Draw an example
-   * @param {String} id HTML id of the textarea containing the example code
-   */
-  function drawExample(id) {
-    txtData.value = document.getElementById(id).value;
-    draw();
-  }
-</script>
-
-<textarea id="example1" class="example">
-  digraph {
-  node [shape=circle fontSize=16]
-  edge [length=100, color=gray, fontColor=black]
-
-  A -> A[label=0.5];
-  B -> B[label=1.2] -> C[label=0.7] -- A;
-  B -> D;
-  D -> {B; C}
-  D -> E[label=0.2];
-  F -> F;
-  A [
-  fontColor=white,
-  color=red,
-  ]
-  }
-</textarea>
-
-<textarea id="example2" class="example">
-  digraph topology
-  {
-  node[shape=circle fontSize=12]
-  edge[length=170 fontSize=12]
-  "10.0.255.1" -> "10.0.255.3"[label="1.000"];
-  "10.0.255.1" -> "10.0.255.2"[label="1.000"];
-  "10.0.255.1" -> "10.0.255.2"[label="1.000"];
-  "10.0.255.1" -> "10.0.255.3"[label="1.000"];
-  "10.0.255.2" -> "10.0.255.1"[label="1.000"];
-  "10.0.255.2" -> "10.0.255.3"[label="1.000"];
-  "10.0.255.3" -> "10.0.255.1"[label="1.000"];
-  "10.0.255.3" -> "10.0.255.2"[label="1.000"];
-  "10.0.255.3" -> "10.0.3.0/24"[label="HNA", shape=solid];
-  "10.0.3.0/24"[shape=box];
-  "10.0.255.2" -> "10.0.2.0/24"[label="HNA"];
-  "10.0.2.0/24"[shape=box];
-  "10.0.255.1" -> "10.0.1.0/24"[label="HNA"];
-  "10.0.1.0/24"[shape=box];
-  }
-</textarea>
-
-<textarea id="example3" class="example">
-  digraph G  {
-  // note: not all attributes are recognized and supported by Network
-  //       unrecognized attributes are ignored
-
-  node[width=.25,height=.375,fontsize=15]
-  node [shape=filled fillcolor=#F1AAF0]
-  0-> 0 ;
-  1-> 1 ;
-  2-> 2 ;
-  3-> 3 ;
-  4-> 4 ;
-  5-> 5 ;
-  6-> 6 ;
-  7-> 5 ;
-  8-> 8 ;
-  9-> 9 ;
-  10-> 10 ;
-  11-> 10 ;
-  12-> 12 ;
-  13-> 5 ;
-  14-> 10 ;
-  15-> 0 ;
-  }
-</textarea>
-
-</body>
-</html>
diff --git a/examples/network/categories/data/dotLanguage/data/cellular_automata.gv.txt b/examples/network/categories/data/dotLanguage/data/cellular_automata.gv.txt
new file mode 100644
index 00000000..495d7db7
--- /dev/null
+++ b/examples/network/categories/data/dotLanguage/data/cellular_automata.gv.txt
@@ -0,0 +1,23 @@
+digraph G  {
+  // note: not all attributes are recognized and supported by Network
+  //       unrecognized attributes are ignored
+
+  node[width=.25,height=.375,fontsize=15]
+  node [shape=filled fillcolor=#F1AAF0]
+  0-> 0 ;
+  1-> 1 ;
+  2-> 2 ;
+  3-> 3 ;
+  4-> 4 ;
+  5-> 5 ;
+  6-> 6 ;
+  7-> 5 ;
+  8-> 8 ;
+  9-> 9 ;
+  10-> 10 ;
+  11-> 10 ;
+  12-> 12 ;
+  13-> 5 ;
+  14-> 10 ;
+  15-> 0 ;
+}
diff --git a/examples/network/categories/data/dotLanguage/data/computer_network.gv.txt b/examples/network/categories/data/dotLanguage/data/computer_network.gv.txt
new file mode 100644
index 00000000..03f631a2
--- /dev/null
+++ b/examples/network/categories/data/dotLanguage/data/computer_network.gv.txt
@@ -0,0 +1,19 @@
+digraph topology
+{
+  node[shape=circle fontSize=12]
+  edge[length=170 fontSize=12]
+  "10.0.255.1" -> "10.0.255.3"[label="1.000"];
+  "10.0.255.1" -> "10.0.255.2"[label="1.000"];
+  "10.0.255.1" -> "10.0.255.2"[label="1.000"];
+  "10.0.255.1" -> "10.0.255.3"[label="1.000"];
+  "10.0.255.2" -> "10.0.255.1"[label="1.000"];
+  "10.0.255.2" -> "10.0.255.3"[label="1.000"];
+  "10.0.255.3" -> "10.0.255.1"[label="1.000"];
+  "10.0.255.3" -> "10.0.255.2"[label="1.000"];
+  "10.0.255.3" -> "10.0.3.0/24"[label="HNA", shape=solid];
+  "10.0.3.0/24"[shape=box];
+  "10.0.255.2" -> "10.0.2.0/24"[label="HNA"];
+  "10.0.2.0/24"[shape=box];
+  "10.0.255.1" -> "10.0.1.0/24"[label="HNA"];
+  "10.0.1.0/24"[shape=box];
+}
diff --git a/examples/network/categories/data/dotLanguage/data/simple.gv.txt b/examples/network/categories/data/dotLanguage/data/simple.gv.txt
new file mode 100644
index 00000000..50fb06e3
--- /dev/null
+++ b/examples/network/categories/data/dotLanguage/data/simple.gv.txt
@@ -0,0 +1,15 @@
+digraph {
+  node [shape=circle fontsize=16]
+  edge [length=100, color=gray, fontcolor=black]
+
+  A -> A[label=0.5];
+  B -> B[label=1.2] -> C[label=0.7] -- A;
+  B -> D;
+  D -> {B; C}
+  D -> E[label=0.2];
+  F -> F;
+  A [
+    fontcolor=white,
+    color=red,
+  ]
+}
diff --git a/examples/network/categories/data/dotLanguage/dotLanguage.html b/examples/network/categories/data/dotLanguage/dotLanguage.html
new file mode 100644
index 00000000..1d83f48d
--- /dev/null
+++ b/examples/network/categories/data/dotLanguage/dotLanguage.html
@@ -0,0 +1,22 @@
+<html>
+<head>
+  <title>Network | DOT Language</title>
+
+  <script src="../../../../../dist/vis.js"></script>
+  <link href="../../../../../dist/vis.css" rel="stylesheet" type="text/css" />
+  <script src="../../../../googleAnalytics.js"></script>
+</head>
+<body>
+<p>
+  Network supports the DOT language.
+</p>
+<div id="mynetwork"></div>
+
+<script type="text/javascript">
+  var container = document.getElementById('mynetwork');
+  var dot = 'dinetwork {node[shape=circle]; 1 -> 1 -> 2; 2 -> 3; 2 -- 4; 2 -> 1 }';
+  var data = vis.network.convertDot(dot);
+  var network = new vis.Network(container, data);
+</script>
+</body>
+</html>
diff --git a/examples/network/categories/data/dotLanguage/dotPlayground.html b/examples/network/categories/data/dotLanguage/dotPlayground.html
new file mode 100644
index 00000000..01542247
--- /dev/null
+++ b/examples/network/categories/data/dotLanguage/dotPlayground.html
@@ -0,0 +1,195 @@
+<!doctype html>
+<html>
+<head>
+  <title>Network | DOT language playground</title>
+
+  <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
+  <script src="../../../../../dist/vis.js"></script>
+  <link href="../../../../../dist/vis.css" rel="stylesheet" type="text/css" />
+
+  <style type="text/css">
+    body, html {
+      font: 10pt sans;
+      width: 100%;
+      height: 100%;
+      padding: 0;
+      margin: 0;
+      color: #4d4d4d;
+    }
+
+    #frame {
+      width: 100%;
+      height: 99%;
+    }
+    #frame td {
+      padding: 10px;
+      height: 100%;
+    }
+    #error {
+      color: red;
+    }
+
+    #data {
+      width: 100%;
+      height: 100%;
+      border: 1px solid #d3d3d3;
+    }
+
+    #mynetwork {
+      float: left;
+      width: 100%;
+      height: 100%;
+      border: 1px solid #d3d3d3;
+      box-sizing: border-box;
+      -moz-box-sizing: border-box;
+      overflow: hidden;
+    }
+
+    textarea.example {
+      display: none;
+    }
+  </style>
+  <script src="../../../../googleAnalytics.js"></script>
+</head>
+<body>
+
+<table id="frame">
+  <col width="50%">
+  <col width="50%">
+  <tr>
+    <td colspan="2" style="height: 50px;">
+      <h1>DOT language playground</h1>
+
+      <p id="warning" style="color: red; display: none;">
+        Error: Cannot fetch the example data because of security restrictions in JavaScript. Run the example from a server instead of as a local file to resolve this problem. Alternatively, you can copy/paste the data of DOT graphs manually in the textarea below.
+      </p>
+      <script>
+        if (location.href.substr(0, 5) == 'file:') {
+          $('#warning').show();
+        }
+      </script>
+
+      <p>
+        Play around with the DOT language in the textarea below, or select one of the following examples:
+      </p>
+      <p style="margin-left: 30px;">
+        <a href="#" class="example" data-url="data/simple.gv.txt">simple</a>,
+        <a href="#" class="example" data-url="data/computer_network.gv.txt">computer network</a>,
+        <a href="#" class="example" data-url="data/cellular_automata.gv.txt">cellular automata</a>,
+        <a href="#" class="example" data-url="graphvizGallery/fsm.gv.txt">fsm *</a>,
+        <a href="#" class="example" data-url="graphvizGallery/hello.gv.txt">hello *</sup></a>,
+        <a href="#" class="example" data-url="graphvizGallery/process.gv.txt">process *</sup></a>,
+        <a href="#" class="example" data-url="graphvizGallery/siblings.gv.txt">siblings *</sup></a>,
+        <a href="#" class="example" data-url="graphvizGallery/softmaint.gv.txt">softmaint *</sup></a>,
+        <a href="#" class="example" data-url="graphvizGallery/traffic_lights.gv.txt">traffic lights *</sup></a>,
+        <a href="#" class="example" data-url="graphvizGallery/transparency.gv.txt">transparency *</sup></a>,
+        <a href="#" class="example" data-url="graphvizGallery/twopi2.gv.txt">twopi2 *</sup></a>,
+        <a href="#" class="example" data-url="graphvizGallery/unix.gv.txt">unix *</sup></a>,
+        <a href="#" class="example" data-url="graphvizGallery/world.gv.txt">world *</sup></a>
+      </p>
+      <p>
+        The examples marked with a star (*) come straight from the <a href="http://www.graphviz.org/Gallery.php">gallery of GraphViz</a>.
+      </p>
+      <div>
+        <br>
+        <button id="draw">Draw</button>
+        <span id="error"></span>
+      </div>
+    </td>
+  </tr>
+  <tr>
+    <td>
+      <textarea id="data">
+digraph {
+  node [shape=circle fontsize=16]
+  edge [length=100, color=gray, fontcolor=black]
+
+  A -> A[label=0.5];
+  B -> B[label=1.2] -> C[label=0.7] -- A;
+  B -> D;
+  D -> {B; C}
+  D -> E[label=0.2];
+  F -> F;
+  A [
+    fontcolor=white,
+    color=red,
+  ]
+}
+      </textarea>
+    </td>
+    <td>
+      <div id="mynetwork"></div>
+    </td>
+  </tr>
+</table>
+
+<script type="text/javascript">
+  var btnDraw = document.getElementById('draw');
+  var txtData = document.getElementById('data');
+  var txtError = document.getElementById('error');
+  btnDraw.onclick = draw;
+
+  // resize the network when window resizes
+  window.onresize = function () {
+    network.redraw()
+  };
+
+  $('button.example').click(function (event) {
+    var url = $(event.target).data('url');
+    $.get(url).done(function(dotData) {
+      txtData.value = dotData;
+      draw();
+    });
+  });
+
+  $('a.example').click(function (event) {
+    var url = $(event.target).data('url');
+    $.get(url).done(function(dotData) {
+      txtData.value = dotData;
+      draw();
+    });
+  });
+
+  $(window).load(draw);
+
+  // create a network
+  var container = document.getElementById('mynetwork');
+  var options = {
+    physics: {
+      stabilization: false,
+      barnesHut: {
+        springLength: 200
+      }
+    }
+  };
+  var data = {};
+  var network = new vis.Network(container, data, options);
+
+  // parse and draw the data
+  function draw () {
+    try {
+      txtError.innerHTML = '';
+
+      // Provide a string with data in DOT language
+      data = vis.network.convertDot(txtData.value);
+
+      network.setData(data);
+    }
+    catch (err) {
+      // set the cursor at the position where the error occurred
+      var match = /\(char (.*)\)/.exec(err);
+      if (match) {
+        var pos = Number(match[1]);
+        if(txtData.setSelectionRange) {
+          txtData.focus();
+          txtData.setSelectionRange(pos, pos);
+        }
+      }
+
+      // show an error message
+      txtError.innerHTML =  err.toString();
+    }
+  }
+</script>
+</body>
+</html>
diff --git a/examples/network/graphviz/data/fsm.gv.txt b/examples/network/categories/data/dotLanguage/graphvizGallery/fsm.gv.txt
similarity index 100%
rename from examples/network/graphviz/data/fsm.gv.txt
rename to examples/network/categories/data/dotLanguage/graphvizGallery/fsm.gv.txt
diff --git a/examples/network/graphviz/data/hello.gv.txt b/examples/network/categories/data/dotLanguage/graphvizGallery/hello.gv.txt
similarity index 100%
rename from examples/network/graphviz/data/hello.gv.txt
rename to examples/network/categories/data/dotLanguage/graphvizGallery/hello.gv.txt
diff --git a/examples/network/graphviz/data/process.gv.txt b/examples/network/categories/data/dotLanguage/graphvizGallery/process.gv.txt
similarity index 100%
rename from examples/network/graphviz/data/process.gv.txt
rename to examples/network/categories/data/dotLanguage/graphvizGallery/process.gv.txt
diff --git a/examples/network/graphviz/screenshots/fsm.png b/examples/network/categories/data/dotLanguage/graphvizGallery/screenshots/fsm.png
similarity index 100%
rename from examples/network/graphviz/screenshots/fsm.png
rename to examples/network/categories/data/dotLanguage/graphvizGallery/screenshots/fsm.png
diff --git a/examples/network/graphviz/screenshots/hello.png b/examples/network/categories/data/dotLanguage/graphvizGallery/screenshots/hello.png
similarity index 100%
rename from examples/network/graphviz/screenshots/hello.png
rename to examples/network/categories/data/dotLanguage/graphvizGallery/screenshots/hello.png
diff --git a/examples/network/graphviz/screenshots/softmaint.png b/examples/network/categories/data/dotLanguage/graphvizGallery/screenshots/softmaint.png
similarity index 100%
rename from examples/network/graphviz/screenshots/softmaint.png
rename to examples/network/categories/data/dotLanguage/graphvizGallery/screenshots/softmaint.png
diff --git a/examples/network/graphviz/screenshots/traffic_lights.png b/examples/network/categories/data/dotLanguage/graphvizGallery/screenshots/traffic_lights.png
similarity index 100%
rename from examples/network/graphviz/screenshots/traffic_lights.png
rename to examples/network/categories/data/dotLanguage/graphvizGallery/screenshots/traffic_lights.png
diff --git a/examples/network/graphviz/data/siblings.gv.txt b/examples/network/categories/data/dotLanguage/graphvizGallery/siblings.gv.txt
similarity index 100%
rename from examples/network/graphviz/data/siblings.gv.txt
rename to examples/network/categories/data/dotLanguage/graphvizGallery/siblings.gv.txt
diff --git a/examples/network/graphviz/data/softmaint.gv.txt b/examples/network/categories/data/dotLanguage/graphvizGallery/softmaint.gv.txt
similarity index 100%
rename from examples/network/graphviz/data/softmaint.gv.txt
rename to examples/network/categories/data/dotLanguage/graphvizGallery/softmaint.gv.txt
diff --git a/examples/network/graphviz/data/traffic_lights.gv.txt b/examples/network/categories/data/dotLanguage/graphvizGallery/traffic_lights.gv.txt
similarity index 100%
rename from examples/network/graphviz/data/traffic_lights.gv.txt
rename to examples/network/categories/data/dotLanguage/graphvizGallery/traffic_lights.gv.txt
diff --git a/examples/network/graphviz/data/transparency.gv.txt b/examples/network/categories/data/dotLanguage/graphvizGallery/transparency.gv.txt
similarity index 100%
rename from examples/network/graphviz/data/transparency.gv.txt
rename to examples/network/categories/data/dotLanguage/graphvizGallery/transparency.gv.txt
diff --git a/examples/network/graphviz/data/twopi2.gv.txt b/examples/network/categories/data/dotLanguage/graphvizGallery/twopi2.gv.txt
similarity index 100%
rename from examples/network/graphviz/data/twopi2.gv.txt
rename to examples/network/categories/data/dotLanguage/graphvizGallery/twopi2.gv.txt
diff --git a/examples/network/graphviz/data/unix.gv.txt b/examples/network/categories/data/dotLanguage/graphvizGallery/unix.gv.txt
similarity index 100%
rename from examples/network/graphviz/data/unix.gv.txt
rename to examples/network/categories/data/dotLanguage/graphvizGallery/unix.gv.txt
diff --git a/examples/network/graphviz/data/world.gv.txt b/examples/network/categories/data/dotLanguage/graphvizGallery/world.gv.txt
similarity index 100%
rename from examples/network/graphviz/data/world.gv.txt
rename to examples/network/categories/data/dotLanguage/graphvizGallery/world.gv.txt
diff --git a/examples/network/categories/data/dot_language.html b/examples/network/categories/data/dot_language.html
deleted file mode 100644
index 4f3df920..00000000
--- a/examples/network/categories/data/dot_language.html
+++ /dev/null
@@ -1,23 +0,0 @@
-<html>
-<head>
-  <title>Network | DOT Language</title>
-
-  <script type="text/javascript" src="../../../../dist/vis.js"></script>
-  <link href="../../../../dist/vis.css" rel="stylesheet" type="text/css" />
-  <script src="../../../googleAnalytics.js"></script>
-</head>
-<body>
-<p>
-  Network supports the DOT language.
-</p>
-<div id="mynetwork"></div>
-
-<script type="text/javascript">
-  var container = document.getElementById('mynetwork');
-  var data = {
-    dot: 'dinetwork {node[shape=circle]; 1 -> 1 -> 2; 2 -> 3; 2 -- 4; 2 -> 1 }'
-  };
-  var network = new vis.Network(container, data);
-</script>
-</body>
-</html>
diff --git a/examples/network/graphviz/graphviz_gallery.html b/examples/network/graphviz/graphviz_gallery.html
deleted file mode 100644
index 913ccacb..00000000
--- a/examples/network/graphviz/graphviz_gallery.html
+++ /dev/null
@@ -1,86 +0,0 @@
-<html>
-<head>
-  <title>Network | Graphviz Gallery</title>
-
-  <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
-  <script type="text/javascript" src="../../../dist/vis.js"></script>
-
-  <style type="text/css">
-    p {
-      width: 600px;
-    }
-    html, body, select {
-      font: 11pt arial;
-    }
-    #mygraph {
-      width: 100%;
-      height: 600px;
-      border: 1px solid lightgray;
-    }
-  </style>
-<script>(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','//www.google-analytics.com/analytics.js','ga');ga('create', 'UA-61231638-1', 'auto');ga('send', 'pageview');</script></head>
-<body>
-
-<script>
-  if (location.href.substr(0, 5) == 'file:') {
-    document.write(
-        '<p style="color: red;">' +
-            'Error: Cannot fetch the example data because of security ' +
-            'restrictions in JavaScript. Run the example from a server ' +
-            'instead of as a local file to resolve this problem. ' +
-            'Alternatively, you can load DOT graphs in ' +
-            'the <a href="../15_dot_language_playground.html" ' +
-            'style="color:red;">playground</a>.' +
-            '</p>');
-  }
-</script>
-
-<p>
-  The following examples are unmodified copies from the
-  <a href="http://www.graphviz.org/Gallery.php" target="_blank">Graphviz Gallery</a>.
-</p>
-<p>
-  Note that some style attributes of Graphviz are not supported by vis.js,
-  and that vis.js offers options not supported by Graphviz (which could make
-  some examples look much nicer).
-</p>
-
-<p>
-  <label for="url">Select an example:</label>
-  <select id="url" onchange="loadData()">
-    <option value="data/fsm.gv.txt">fsm</option>
-    <option value="data/hello.gv.txt">hello</option>
-    <option value="data/process.gv.txt">process</option>
-    <option value="data/siblings.gv.txt">siblings</option>
-    <option value="data/softmaint.gv.txt">softmaint</option>
-    <option value="data/traffic_lights.gv.txt">traffic_lights</option>
-    <option value="data/transparency.gv.txt">transparency</option>
-    <option value="data/twopi2.gv.txt">twopi2</option>
-    <option value="data/unix.gv.txt">unix</option>
-    <option value="data/world.gv.txt">world</option>
-  </select>
-</p>
-
-<div id="mygraph"></div>
-<script type="text/javascript">
-  var container = document.getElementById('mygraph');
-  var url = document.getElementById('url');
-  var network = new vis.Network(container,{},{physics:{barnesHut:{springLength:75,springConstant:0.015}}});
-
-  function loadData () {
-    $.ajax({
-      type: "GET",
-      url: url.value
-    }).done(function(data) {
-      network.setOptions({
-            stabilize: false
-          });
-      network.setData( {
-            dot: data
-          });
-        });
-  }
-  loadData();
-</script>
-</body>
-</html>
diff --git a/lib/network/dotparser.js b/lib/network/dotparser.js
index dd0c73f7..647ff63b 100644
--- a/lib/network/dotparser.js
+++ b/lib/network/dotparser.js
@@ -4,6 +4,8 @@
  *
  * DOT language reference: http://www.graphviz.org/doc/info/lang.html
  *
+ * DOT language attributes: http://graphviz.org/content/attrs
+ *
  * @param {String} data     Text containing a graph in DOT-notation
  * @return {Object} graph   An object containing two parameters:
  *                          {Object[]} nodes

- DOT language playground - - example 1 - example 2 - example 3 - - - - - - -
- -	- -