Letters are not icons. "Letters are things, not pictures of things." -- Eric Gill Github did a great writeup on the perils of using fonts for icons. One reaso

Letters are not icons. "Letters are things, not pictures of things." -- Eric Gill Github did a great writeup on the perils of using fonts for icons. One reason was the one mentioned here, users overriding them with their own preferred fonts. https://github.com/blog/2112-delivering-octicons-with-svg https://github.com/blog/2112-delivering-octicons-with-svg