diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index f1d71588..b0ea6ff5 100755
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -4756,7 +4756,9 @@ XML:
   - ".ux"
   - ".vbproj"
   - ".vcxproj"
+  - ".vsixmanifest"
   - ".vssettings"
+  - ".vstemplate"
   - ".vxml"
   - ".wixproj"
   - ".wsdl"
diff --git a/samples/XML/CSharpVSPackage.vstemplate b/samples/XML/CSharpVSPackage.vstemplate
new file mode 100644
index 00000000..8998463f
--- /dev/null
+++ b/samples/XML/CSharpVSPackage.vstemplate
@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="utf-8"?>
+<VSTemplate Version="3.0.0" Type="Item" xmlns="http://schemas.microsoft.com/developer/vstemplate/2005" xmlns:sdk="http://schemas.microsoft.com/developer/vstemplate-sdkextension/2010">
+  <TemplateData>
+    <Name>Visual Studio Package</Name>
+    <Description>Visual Studio package loadable in Visual Studio</Description>
+    <Icon>VSPackage.ico</Icon>
+    <TemplateID>VsixVSPackageCSharp</TemplateID>
+    <AppliesTo>VSIX + CSharp</AppliesTo>
+    <ShowByDefault>false</ShowByDefault>
+    <ProjectType>CSharp</ProjectType>
+    <RequiredFrameworkVersion>4.5</RequiredFrameworkVersion>
+    <NumberOfParentCategoriesToRollUp>1</NumberOfParentCategoriesToRollUp>
+    <DefaultName>VSPackage.cs</DefaultName>
+  </TemplateData>
+  <TemplateContent>
+    <References>
+      <Reference>
+        <Assembly>Microsoft.CSharp</Assembly>
+      </Reference>
+      <Reference>
+        <Assembly>System</Assembly>
+      </Reference>
+      <Reference>
+        <Assembly>System.Core</Assembly>
+      </Reference>
+      <Reference>
+        <Assembly>System.Data</Assembly>
+      </Reference>
+      <Reference>
+        <Assembly>System.Design</Assembly>
+      </Reference>
+      <Reference>
+        <Assembly>System.Drawing</Assembly>
+      </Reference>
+      <Reference>
+        <Assembly>System.Windows.Forms</Assembly>
+      </Reference>
+      <Reference>
+        <Assembly>System.Xml</Assembly>
+      </Reference>
+    </References>
+
+    <ProjectItem ReplaceParameters="true" TargetFileName="$packageName$.cs" OpenInEditor="true">VsPkg.cs</ProjectItem>
+    <ProjectItem ReplaceParameters="false" TargetFileName="Resources\$packageName$.ico">Resources\Package.ico</ProjectItem>
+    <ProjectItem ReplaceParameters="true" TargetFileName="VSPackage.resx">VSPackage.resx</ProjectItem>
+    <ProjectItem ReplaceParameters="true" TargetFileName="source.extension.vsixmanifest" ItemType="None" SubType="Designer">source.extension.vsixmanifest</ProjectItem>
+
+    <CustomParameters>
+      <CustomParameter Name="$AddVsixManifestAsset$" Value="VsPackageFromSameProject" />
+      <CustomParameter Name="$productNameResourceId$" Value="110" />
+      <CustomParameter Name="$productDetailsResourceId$" Value="112" />
+      <CustomParameter Name="$iconResourceId$" Value="400" />
+      <CustomParameter Name="$packageName$" Value="$rootSafeItemName$" />
+      <CustomParameter Name="$packageGuid$" Value="$guid1$"/>
+    </CustomParameters>
+  </TemplateContent>
+  <WizardExtension>
+    <Assembly>Microsoft.Vsix.TemplatesPackage, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</Assembly>
+    <FullClassName>Microsoft.Vsix.TemplatesPackage.VsixWizard</FullClassName>
+  </WizardExtension>
+  <WizardExtension>
+    <Assembly>NuGet.VisualStudio.Interop, Version=1.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</Assembly>
+    <FullClassName>NuGet.VisualStudio.TemplateWizard</FullClassName>
+  </WizardExtension>
+  <WizardData>
+    <packages repository="extension" repositoryId="Microsoft.Dev14.VsixTemplatesPackage.V2.443cca91-ec20-41e5-a165-f28e56b89650">
+      <package id="Microsoft.VisualStudio.OLE.Interop" version="7.10.6070" />
+      <package id="Microsoft.VisualStudio.Shell.Interop" version="7.10.6071" />
+      <package id="Microsoft.VisualStudio.TextManager.Interop" version="7.10.6070" />
+      <package id="Microsoft.VisualStudio.Shell.Interop.8.0" version="8.0.50727" />
+      <package id="Microsoft.VisualStudio.TextManager.Interop.8.0" version="8.0.50727" />
+      <package id="Microsoft.VisualStudio.Shell.Interop.9.0" version="9.0.30729" />
+      <package id="Microsoft.VisualStudio.Shell.Interop.10.0" version="10.0.30319" />
+      <package id="Microsoft.VisualStudio.Shell.Interop.11.0" version="11.0.61030" />
+      <package id="Microsoft.VisualStudio.Shell.Interop.12.0" version="12.0.30110" />
+      <package id="Microsoft.VisualStudio.Shell.14.0" version="14.3.25407" />
+      <package id="Microsoft.VisualStudio.Shell.Immutable.11.0" version="11.0.50727" />
+      <package id="Microsoft.VisualStudio.Utilities" version="14.3.25407" />
+      <package id="Microsoft.VisualStudio.Shell.Immutable.10.0" version="10.0.30319" />
+      <package id="Microsoft.VisualStudio.Shell.Immutable.14.0" version="14.3.25407" />
+      <package id="Microsoft.VisualStudio.Threading" version="14.1.111" />
+      <package id="Microsoft.VisualStudio.Shell.Immutable.12.0" version="12.0.21003" />
+      <package id="Microsoft.VisualStudio.Imaging" version="14.3.25407" />
+      <package id="Microsoft.VisualStudio.Validation" version="14.1.111" />
+      <package id="Microsoft.VSSDK.BuildTools" version="14.3.25407" />
+    </packages>
+  </WizardData>
+</VSTemplate>
\ No newline at end of file
diff --git a/samples/XML/source.extension.vsixmanifest b/samples/XML/source.extension.vsixmanifest
new file mode 100644
index 00000000..6ac27613
--- /dev/null
+++ b/samples/XML/source.extension.vsixmanifest
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PackageManifest Version="2.0.0" xmlns="http://schemas.microsoft.com/developer/vsx-schema/2011" xmlns:d="http://schemas.microsoft.com/developer/vsx-schema-design/2011">
+  <Metadata>
+    <Identity Id="$guid1$" Version="1.0" Language="en-US" Publisher="$registeredorganization$" />
+    <DisplayName>$packageName$</DisplayName>
+    <Description>$packageName$ Visual Studio Package</Description>
+  </Metadata>
+  <Installation>
+    <InstallationTarget Version="[14.0,15.0)" Id="Microsoft.VisualStudio.Community" />
+  </Installation>
+  <Dependencies>
+    <Dependency Id="Microsoft.Framework.NDP" DisplayName="Microsoft .NET Framework" d:Source="Manual" Version="[4.5,)" />
+    <Dependency Id="Microsoft.VisualStudio.MPF.14.0" DisplayName="Visual Studio MPF 14.0" d:Source="Installed" Version="[14.0]" />
+  </Dependencies>
+  <Assets>
+    <Asset Type="Microsoft.VisualStudio.VsPackage" d:Source="Project" d:ProjectName="%CurrentProject%" Path="|%CurrentProject%;PkgdefProjectOutputGroup|" />
+  </Assets>
+</PackageManifest>