# M:Yarn.Markup.LineParser.MarkupDiagnostic.op\_Equality(Yarn.Markup.LineParser.MarkupDiagnostic,Yarn.Markup.LineParser.MarkupDiagnostic)

TYPENAME\_UNKNOWN in [MarkupDiagnostic](https://docs.yarnspinner.dev/api/csharp/yarn.markup/yarn.markup.lineparser/yarn.markup.lineparser.markupdiagnostic)

## Summary

```csharp
(no declaration available)
```