What kind of mangling has the LDC2 -X JsonFile "deco" field?

[realhet]

On Thursday, 17 September 2020 at 04:01:11 UTC, Adam D. Ruppe 
wrote:
> On Thursday, 17 September 2020 at 03:06:45 UTC, realhet wrote:
>> Anyone can help me telling how to decode these please?
> Just prepend
>
> _D4name

Thank you very much!