InvalidLine

public static readonly LocalizedLine InvalidLine = new LocalizedLine
{
    Asset = null,
    Metadata = System.Array.Empty<string>(),
    RawText = "!! ERROR: Missing line!",
    Substitutions = System.Array.Empty<string>(),
    TextID = "<missing>",
    Text = new Markup.MarkupParseResult { Text = "!! ERROR: Missing line!", Attributes = new System.Collections.Generic.List<Markup.MarkupAttribute>() }
};