In some cases the localized form differs only subtly from the script 'norm', in others the forms are radically distinct. For example, a number of letters in the Bulgarian and Serbian alphabets have forms distinct from their Russian counterparts and from each other. The glyph for ffl replaces the sequence of glyphs f f l.įunction: Many scripts used to write multiple languages over wide geographical areas have developed localized variant forms of specific letters, which are used by individual literary communities. This feature covers the ligatures which the designer/manufacturer judges should be used in normal conditions. Function: Replaces a sequence of glyphs with a single glyph which is preferred for typographic purposes.