Anyone can propose the addition of a new character to Unicode. It doesn't take $18,000 as some people think. You just need to convince the Unicode Consortium that it makes sense (preferably with solid evidence on use of the character). The process is discussed at: http://unicode.org/pending/proposals.html
I have a proposal of my own in the works to add a character to Unicode, so I'll see how it goes. There's a discussion of how someone successfully got the power symbol added to Unicode at https://github.com/jloughry/Unicode so take a look if you're thinking of proposing a character.
I have a proposal of my own in the works to add a character to Unicode, so I'll see how it goes. There's a discussion of how someone successfully got the power symbol added to Unicode at https://github.com/jloughry/Unicode so take a look if you're thinking of proposing a character.