chore: small changes · ChunbleBee/OpenRTFDoc@1740886

Build: src/RtfDom/Tests/RtfDomTests.cs#L5

The type or namespace name 'RtfParser' could not be found (are you missing a using directive or an assembly reference?)

Build: src/RtfDom/Tests/RtfDomTests.cs#L5

The type or namespace name 'RtfParser' could not be found (are you missing a using directive or an assembly reference?)

Process completed with exit code 1.

Build: src/RtfModels/FontReference.cs#L7

Non-nullable property 'FontName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Build: src/RtfModels/FontReference.cs#L8

Non-nullable property 'Encoding' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Build: src/RtfModels/RtfControlWordMapping.cs#L18

Possible null reference argument for parameter 'param' in 'AsciiStringWord.AsciiStringWord(string param)'.

Build: src/RtfModels/RtfControlWordMapping.cs#L31