From f35e5e756127b1ffe7413f373d85a0e7352a29b6 Mon Sep 17 00:00:00 2001
From: Marko Lahma <marko.lahma@gmail.com>
Date: Sat, 30 Jul 2022 15:32:37 +0300
Subject: [PATCH] Fix block entry indicator check

---
 YamlDotNet.Test/RepresentationModel/YamlStreamTests.cs | 10 ++++++++++
 YamlDotNet/Core/Scanner.cs                             |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/YamlDotNet.Test/RepresentationModel/YamlStreamTests.cs b/YamlDotNet.Test/RepresentationModel/YamlStreamTests.cs
index 2eafe9f21..8dc96b3dd 100644
--- a/YamlDotNet.Test/RepresentationModel/YamlStreamTests.cs
+++ b/YamlDotNet.Test/RepresentationModel/YamlStreamTests.cs
@@ -218,6 +218,16 @@ public void AllAliasesMustBeResolved()
             Assert.Throws<AnchorNotFoundException>(() => original.Load(Yaml.ReaderFrom("invalid-reference.yaml")));
         }
 
+        [Fact]
+        public void CanReadValueWithQuotes()
+        {
+            var yamlStream = new YamlStream();
+            yamlStream.Load(Yaml.ParserForText("description: -\"\" should be zero"));
+            var nodes = yamlStream.Documents.Single().AllNodes.ToArray();
+            Assert.Equal("description", nodes[1].ToString());
+            Assert.Equal("-\"\" should be zero", nodes[2].ToString());
+        }
+
         private void RoundtripTest(string yamlFileName)
         {
             var original = new YamlStream();
diff --git a/YamlDotNet/Core/Scanner.cs b/YamlDotNet/Core/Scanner.cs
index 081f46769..1cd133306 100644
--- a/YamlDotNet/Core/Scanner.cs
+++ b/YamlDotNet/Core/Scanner.cs
@@ -398,7 +398,7 @@ private void FetchNextToken()
                     FetchBlockEntry();
                     return;
                 }
-                else if (analyzer.Check("?:,[]{}#&*!|>'\"%@`", 1))
+                else if (analyzer.Check(",[]{}", 1))
                 {
                     tokens.Enqueue(new Error("Invalid key indicator format.", cursor.Mark(), cursor.Mark()));
                 }