OpenType Feature File is an application created in 1996.
#1400on PLDB | 28Years Old |
An OpenType feature file is a text file that contains the typographic layout feature specifications for an OpenType font in an easy-to-read format. It may also contain override values for certain fields in the font tables. It is read in during the creation or editing of an OpenType font.
# Script and language coverage
languagesystem DFLT dflt;
languagesystem latn dflt;
# Ligature formation
feature liga {
substitute f i by f_i;
substitute f l by f_l;
} liga;
# Kerning
feature kern {
position A Y -100;
position a y -80;
position s f' <0 0 10 0> t;
} kern;