property_name : PropertyName
JoiningType
JoiningType :: # (opaque)
Unicode Joining_Type (jt) from DerivedJoiningType.txt. It describes
cursive joining capability; it does not select or position glyphs.
of_scalar : Scalar -> Value
alias_count : Value -> U8
Value : Value
PropertyName : { short : Str, long : Str }
Run : { range : TextRange, value : Value }
AliasError : [UnknownAlias]