Serialized block comments with newline characters generates invalid output

[krisrok]

Describe the bug
Using

[YamlMember(Description="Hello\nWorld)]
public int Foo { get; set; }

Expected result:

# Hello
# World
Foo: 0

Current implementation yields invalid YAML:

# Hello
World
Foo: 0

[EdwardCooke]

The PR to fix this has been merged. Closing the issue.