OverflowException: Value was either too large or too small for an unsigned byte.

[bogatykh]

SmartFormat 2.7.0

Framework: .NET Core 3.1

Steps to reproduce:

`

        string template = "Value: **{VĀLUĒ}**";

        Dictionary<string, object> a = new Dictionary<string, object>();

        var smartFormatter = Smart.CreateDefaultSmartFormat();

        var res = smartFormatter.Format(template, a);

`

Exception:
at System.Convert.ThrowByteOverflowException()
at SmartFormat.Core.Parsing.Parser.ParseFormat(String format, String[] formatterExtensionNames)
at SmartFormat.SmartFormatter.Format(IFormatProvider provider, String format, Object[] args)
at SmartFormat.SmartFormatter.Format(String format, Object[] args)

Code above works in 2.6.2 version of SmartFormat reporting "Invalid character in the selector, Invalid character in the selector".

[axunonb]

Thanks. In an effort to show the failing character, unicode was not reflected:

$"'0x{Convert.ToByte(inputChar):X}': "
throws for unicode - is used twice in the project

must be changed to
$"'0x{Convert.ToUInt32(inputChar).ToString("x")}': "
result: '0x100'