Re: ftdump can show the CID registry, ordering, and supplement?

[Alexei Podtelezhnikov]

>> The execution "ftdump -c" for OpenType/CFF fonts with "holes" in the
>> implemented CIDs, like Hiragino fonts on macOS, generates the output
>> ending with:
>> 
>> --------------------------------------------------
>> (...Charmap printout...),2f9de,2f9df,2f9f4
>> 
>> /CIDSystemInfo dictionary
>>   Registry:            Adobe
>>   Ordering:            Japan1
>>   Supplement:          7
>> 
>>   Implemented CIDs:
>>     0-20316,21072-21074,21371,21558,21722,21933,22920,23058,23059
>> --------------------------------------------------
>> 
>> 
>> The execution for real CID-keyed font generates the output ending
>> with:
>> 
>> --------------------------------------------------
>> (font type entries...)
>>   underline_thickness: 0
>> 
>> /CIDSystemInfo dictionary
>>   Registry:            Adobe
>>   Ordering:            Japan1
>>   Supplement:          1
>> 
>>   Implemented CIDs:
>>     0-8359
>> --------------------------------------------------
>> 
>> Is this what you expected?
> 
> This looks very nice, thanks!
> 
> Minor issue in a comment:
> 
>   * setup 64k-bytes array to scan all CIDs
> 
> should be
> 
>   * set up 64kByte array to scan all CIDs
> 
> 
>    Werner

I like this too. Please commit. 

Alexei