From a44b4ca069749fa0e483953af625eebe040dcb4e Mon Sep 17 00:00:00 2001
From: Adeel <adeelbm@outlook.com>
Date: Thu, 28 May 2020 12:44:11 +0300
Subject: [PATCH] Fix indentation check for first content line

---
 YamlDotNet.Test/Serialization/SerializationTests.cs | 12 ++++++++++++
 YamlDotNet/Core/Scanner.cs                          |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/YamlDotNet.Test/Serialization/SerializationTests.cs b/YamlDotNet.Test/Serialization/SerializationTests.cs
index 823c841a4..f2277cacc 100644
--- a/YamlDotNet.Test/Serialization/SerializationTests.cs
+++ b/YamlDotNet.Test/Serialization/SerializationTests.cs
@@ -193,6 +193,18 @@ public void DeserializeCustomTags()
                 .ShouldBeEquivalentTo(new { X = 10, Y = 20 }, o => o.ExcludingMissingMembers());
         }
 
+        [Fact]
+        public void DeserializeWithGapsBetweenKeys()
+        {
+            var yamlReader = new StringReader(@"Text: >
+  Some Text.
+  
+Value: foo");
+            var result = Deserializer.Deserialize(yamlReader);
+
+            result.Should().NotBeNull();
+        }
+
         [Fact]
         public void SerializeCustomTags()
         {
diff --git a/YamlDotNet/Core/Scanner.cs b/YamlDotNet/Core/Scanner.cs
index fa6a81a64..097d7f725 100644
--- a/YamlDotNet/Core/Scanner.cs
+++ b/YamlDotNet/Core/Scanner.cs
@@ -1693,7 +1693,7 @@ private int ScanBlockScalarBreaks(int currentIndent, StringBuilder breaks, bool
                 throw new SemanticErrorException(end, cursor.Mark(), "While scanning a literal block scalar, found extra spaces in first line.");
             }
 
-            if (!isLiteral && maxIndent > cursor.LineOffset)
+            if (!isLiteral && maxIndent > cursor.LineOffset && indentOfFirstLine > -1)
             {
                 // S98Z
                 throw new SemanticErrorException(end, cursor.Mark(), "While scanning a literal block scalar, found more spaces in lines above first content line.");