diff --git a/JS.fsx b/JS.fsx
old mode 100644
new mode 100755
diff --git a/README.md b/README.md
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new mode 100755
diff --git a/Shared.fsx b/Shared.fsx
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new mode 100755
diff --git a/TS.fsx b/TS.fsx
old mode 100644
new mode 100755
index c98974df0..535ad7198
--- a/TS.fsx
+++ b/TS.fsx
@@ -545,13 +545,20 @@ let EmitAddedInterface (ai: JsonItems.ItemsType.Root) =
     match ai.Extends with 
     | Some e -> Pt.printl "interface %s extends %s {" ai.Name.Value ai.Extends.Value
     | None -> Pt.printl "interface %s {" ai.Name.Value
-    
+
     ai.Properties |> Array.iter (fun p -> Pt.printWithAddedIndent "%s: %s;" p.Name p.Type)
     ai.Methods |> Array.collect (fun m -> m.Signatures) |> Array.iter (Pt.printWithAddedIndent "%s;")
     ai.Indexer |> Array.collect (fun i -> i.Signatures) |> Array.iter (Pt.printWithAddedIndent "%s;")
     Pt.printl "}"
     Pt.printl ""
 
+    if ai.ConstructorSignatures.Length > 0 then
+        Pt.printl "declare var %s: {" ai.Name.Value
+        Pt.printWithAddedIndent "prototype: %s;" ai.Name.Value
+        ai.ConstructorSignatures |> Array.iter (Pt.printWithAddedIndent "%s;")
+        Pt.printl "}"
+        Pt.printl "" 
+
 let EmitTheWholeThing flavor (target:TextWriter) =
     Pt.reset()
     Pt.printl "/////////////////////////////"
diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index ebbd5b55d..e55bc54e4 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -12610,6 +12610,15 @@ interface ProgressEventInit extends EventInit {
     total?: number;
 }
 
+interface HTMLTemplateElement extends HTMLElement {
+    content: DocumentFragment;
+}
+
+declare var HTMLTemplateElement: {
+    prototype: HTMLTemplateElement;
+    new(): HTMLTemplateElement;
+}
+
 declare type EventListenerOrEventListenerObject = EventListener | EventListenerObject;
 
 interface ErrorEventHandler {
diff --git a/build.cmd b/build.cmd
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new mode 100755
diff --git a/build.fsx b/build.fsx
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new mode 100755
diff --git a/inputfiles/addedTypes.json b/inputfiles/addedTypes.json
old mode 100644
new mode 100755
index 48de9a027..39a87defc
--- a/inputfiles/addedTypes.json
+++ b/inputfiles/addedTypes.json
@@ -230,5 +230,20 @@
         "interface": "Document",
         "name": "currentScript",
         "type": "HTMLScriptElement"
-     }
+     },
+     {
+        "kind": "interface",
+        "name": "HTMLTemplateElement",
+        "flavor":  "Web",
+        "extends": "HTMLElement",
+        "constructorSignatures": [
+            "new(): HTMLTemplateElement"
+        ],
+        "properties": [
+            {
+                "name": "content",
+                "type": "DocumentFragment"
+            }
+        ]
+    }
 ]
diff --git a/inputfiles/browser.webidl.xml b/inputfiles/browser.webidl.xml
old mode 100644
new mode 100755
diff --git a/inputfiles/comments.json b/inputfiles/comments.json
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new mode 100755
diff --git a/inputfiles/jsTemplate.js b/inputfiles/jsTemplate.js
old mode 100644
new mode 100755
diff --git a/inputfiles/jsTemplate_worker.js b/inputfiles/jsTemplate_worker.js
old mode 100644
new mode 100755
diff --git a/inputfiles/overridingTypes.json b/inputfiles/overridingTypes.json
old mode 100644
new mode 100755
diff --git a/inputfiles/removedTypes.json b/inputfiles/removedTypes.json
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new mode 100755
diff --git a/inputfiles/sample.json b/inputfiles/sample.json
old mode 100644
new mode 100755
index 1286731c8..ed0e2ef43
--- a/inputfiles/sample.json
+++ b/inputfiles/sample.json
@@ -53,6 +53,9 @@
     {
         "kind": "interface",
         "name": "BlobPropertyBag",
+        "constructorSignatures": [
+            "new(): NodeList"
+        ],
         "properties": [
             {
                 "name": "type?",
diff --git a/inputfiles/webworkers.specidl.xml b/inputfiles/webworkers.specidl.xml
old mode 100644
new mode 100755
diff --git a/paket.dependencies b/paket.dependencies
old mode 100644
new mode 100755
diff --git a/paket.lock b/paket.lock
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new mode 100755
diff --git a/sample.xml b/sample.xml
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new mode 100755