Allow markdown for about section of the profile

At the moment I experiment how to use the profile page in my day to day work. E.g. put a link in my email signature so that people can book appointments and find other useful stuff. While preparing my profile page I noticed that it would be really nice if I could use markdown to give it some more structure. At the moment the profile looks like this (plain text):

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If we could convert the markdown into html to have some of the text bold, italic, maybe a headline it would look way nicer and would be easier to read.