Use it to determine which browsers need to load additional fonts in order to render text on the page.
https://github.com/Modernizr/Modernizr/blob/master/feature-detects/unicode.js
See also unicode-range feature detection and relevant spec:
https://github.com/Modernizr/Modernizr/blob/master/feature-detects/unicode-range.js
http://www.w3.org/TR/2013/CR-css-fonts-3-20131003/#descdef-unicode-range
Version: unspecified
Severity: normal