diff --git a/_docs/examplecontent.tmpl.html b/_docs/examplecontent.tmpl.html
index d514e0a9d..3409c0226 100644
--- a/_docs/examplecontent.tmpl.html
+++ b/_docs/examplecontent.tmpl.html
@@ -3,23 +3,23 @@
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = '{{.Example.Name}}.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/{{.CurrentBranch}}/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = '{{.Example.Name}}.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/{{.CurrentBranch}}/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/alphablending.content.html b/_docs/public/examples/alphablending.content.html
index 71304a722..3c39b219c 100644
--- a/_docs/public/examples/alphablending.content.html
+++ b/_docs/public/examples/alphablending.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'alphablending.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'alphablending.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/audio.content.html b/_docs/public/examples/audio.content.html
index 9f89fb158..e8ab53324 100644
--- a/_docs/public/examples/audio.content.html
+++ b/_docs/public/examples/audio.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'audio.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'audio.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/blocks.content.html b/_docs/public/examples/blocks.content.html
index 24f5c81a0..78f3fba45 100644
--- a/_docs/public/examples/blocks.content.html
+++ b/_docs/public/examples/blocks.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'blocks.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'blocks.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/font.content.html b/_docs/public/examples/font.content.html
index 4d17ccb1c..b3b09918a 100644
--- a/_docs/public/examples/font.content.html
+++ b/_docs/public/examples/font.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'font.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'font.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/gamepad.content.html b/_docs/public/examples/gamepad.content.html
index a65b211ef..e0b9b7854 100644
--- a/_docs/public/examples/gamepad.content.html
+++ b/_docs/public/examples/gamepad.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'gamepad.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'gamepad.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/hsv.content.html b/_docs/public/examples/hsv.content.html
index 4723a45d8..12f0d6902 100644
--- a/_docs/public/examples/hsv.content.html
+++ b/_docs/public/examples/hsv.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'hsv.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'hsv.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/hue.content.html b/_docs/public/examples/hue.content.html
index 015e7db33..911781ab8 100644
--- a/_docs/public/examples/hue.content.html
+++ b/_docs/public/examples/hue.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'hue.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'hue.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/keyboard.content.html b/_docs/public/examples/keyboard.content.html
index 09c3bbfe1..c3abc0c3c 100644
--- a/_docs/public/examples/keyboard.content.html
+++ b/_docs/public/examples/keyboard.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'keyboard.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'keyboard.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/masking.content.html b/_docs/public/examples/masking.content.html
index edf34bfc5..a7aa19f88 100644
--- a/_docs/public/examples/masking.content.html
+++ b/_docs/public/examples/masking.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'masking.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'masking.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/mosaic.content.html b/_docs/public/examples/mosaic.content.html
index af9589373..e0872893c 100644
--- a/_docs/public/examples/mosaic.content.html
+++ b/_docs/public/examples/mosaic.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'mosaic.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'mosaic.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/noise.content.html b/_docs/public/examples/noise.content.html
index fd7f5f9d4..614d25d90 100644
--- a/_docs/public/examples/noise.content.html
+++ b/_docs/public/examples/noise.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'noise.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'noise.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/paint.content.html b/_docs/public/examples/paint.content.html
index 0002ca92d..e64539a64 100644
--- a/_docs/public/examples/paint.content.html
+++ b/_docs/public/examples/paint.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'paint.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'paint.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/perspective.content.html b/_docs/public/examples/perspective.content.html
index 836d011e6..0ca4f90a5 100644
--- a/_docs/public/examples/perspective.content.html
+++ b/_docs/public/examples/perspective.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'perspective.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'perspective.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/piano.content.html b/_docs/public/examples/piano.content.html
index 88905ce2f..6f2b77fe8 100644
--- a/_docs/public/examples/piano.content.html
+++ b/_docs/public/examples/piano.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'piano.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'piano.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/rotate.content.html b/_docs/public/examples/rotate.content.html
index 3f0d9e87e..2e4a0a214 100644
--- a/_docs/public/examples/rotate.content.html
+++ b/_docs/public/examples/rotate.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'rotate.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'rotate.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>
diff --git a/_docs/public/examples/sprites.content.html b/_docs/public/examples/sprites.content.html
index 68bfd5ab5..d5e9d8d7f 100644
--- a/_docs/public/examples/sprites.content.html
+++ b/_docs/public/examples/sprites.content.html
@@ -17,23 +17,23 @@ limitations under the License.
 <script>
 'use strict';
 window.addEventListener('load', function() {
-  function isProduction() {
-    var l = window.top.location;
-    if (l.hash === '#_production') {
-      return true;
+    function isProduction() {
+        var l = window.top.location;
+        if (l.hash === '#_production') {
+            return true;
+        }
+        if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
+            return false;
+        }
+        return true;
     }
-    if (l.hostname === 'localhost' || l.hostname === '127.0.0.1') {
-      return false;
-    }
-    return true;
-  }
 
-  var s = document.createElement('script');
-  var src = 'sprites.js';
-  if (isProduction()) {
-    src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
-  }
-  s.src = src;
-  document.body.appendChild(s);
+    var s = document.createElement('script');
+    var src = 'sprites.js';
+    if (isProduction()) {
+        src = '//hajimehoshi.github.io/ebiten.pagestorage/master/' + src;
+    }
+    s.src = src;
+    document.body.appendChild(s);
 });
 </script>