In my experience, no such requirement is a binary yes/no. If you have a good character candidate, run it by the list, or just write a proposal. UTC tends to look at all the merits together, instead of a list of things that should all be there or else there won't be a character.
On Sat, Jul 23, 2016 at 9:26 AM, Ken Shirriff <ken.shirr...@gmail.com> wrote: > Someone asked me about the requirement for evidence that proposed new > characters are used in running text. I thought it was in the Symbol > Guidelines (http://www.unicode.org/pending/symbol-guidelines.html) or the > Character Proposals document (http://unicode.org/pending/proposals.html) > but it's not there. Is there a written requirement for running text > somewhere or is it "tradition"? > > Ken >