From 8510a1ba8ac813f5e5fc146f593cefa46b7cf675 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Tue, 18 Oct 2022 10:56:12 +0100
Subject: [PATCH] fix build.

---
 src/Markup/Avalonia.Markup/Avalonia.Markup.csproj | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Markup/Avalonia.Markup/Avalonia.Markup.csproj b/src/Markup/Avalonia.Markup/Avalonia.Markup.csproj
index 6711c3dd3d..6b25cbbeab 100644
--- a/src/Markup/Avalonia.Markup/Avalonia.Markup.csproj
+++ b/src/Markup/Avalonia.Markup/Avalonia.Markup.csproj
@@ -2,6 +2,7 @@
   <PropertyGroup>
     <TargetFrameworks>net6.0;netstandard2.0</TargetFrameworks>
     <RootNamespace>Avalonia</RootNamespace>
+    <LangVersion>11</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <None Remove="Markup\Parsers\Nodes\ExpressionGrammer" />