Introducing Adobe Blank « Typblography
▻http://blogs.adobe.com/typblography/2013/03/introducing-adobe-blank.html
Earlier this year, the Adobe Type Team was approached by one of our other development teams to produce a special-purpose font with two fascinating—at least to me—characteristics:
All Unicode code points are covered.
All code points are rendered using a non-spacing and non-marking glyph.