Implements a PDF CID font
This is a subclass of PDF::Font::Loader::FontObj for representing PDF CID fonts, introduced with PDF v1.3.
The main defining characteristic of CID (Type0) fonts is their abililty to support multi-byte (usually 2-byte) encodings.
This class is used for all fonts with a multi-byte (or potentially multi-byte) encoding such as
This class inherits from PDF::Font::Loader::FontObj and has all its methods available.