What's the process for proposing a symbol in the Unicode table?

[James Kass]

On 2024-02-17 7:18 PM, Doug Ewell via Unicode wrote:
> As above. The amount of effort required for a symbol like this is
> reasonable and justified. Not everything that has ever been written is a
>   candidate for encoding as a character. Good justification and evidence
> for this one will be needed.
The Wikipedia page linked earlier,
https://en.wikipedia.org/wiki/Flourish_of_approval
... suggests using the German pfennig symbol (₰) as a substitute for the 
krul.  Evidence that U+20B0 GERMAN PENNY SIGN is being used as a krul in 
real world computer data interchange could be helpful to a proposal.