Delete this post please

[jazei-AR]

delete it is solved using dipraphs. thank youHi, do you know a patched font for use in powerline and in text of course for writting text in Vim with chemistry formula. I mean I need this character <=> in supra-index, similar to this example: -CO₃ ₌ but this last = in upper site, at top site not below not botton. (if you don't understand fetch carbonate in chemistry formula for see it. )
sorry my poor English.
Thank you and Regards!