!CRASS ROOTS OFL includes a small number of OpenType Typographic Features. The are special character substitutions that "OpenType aware" applications, such as professional typesetting programs (Adobe Creative Suite, &c.) can implement. Set #1 is generally on by default, and Set #2 may be turned by the user. In addition, all the glyphs may be accessed through direct selection or copy and paste from a character mapping program. #1 Automatic Default Ligature Set: (OpenType ) fi ligature -will be substituted for 'f', 'i' fl ligature -will be substituted for 'f', 'l' #2 Optional, or Discretionaty Ligature Set: (OpenType ) Ampersand - will be substituted for 'E', 't' Plus or Minus - will be substituted for '+', '-' OR - will be substituted foir '+', '/', '-' Snark - will be substituted for '.', '~'