Info Catalog groff: Character Classes groff: Fonts and Symbols groff: Artificial Fonts

groff: Special Fonts

 
 5.17.6 Special Fonts
 --------------------
 
 Special fonts are those that 'gtroff' searches when it cannot find the
 requested glyph in the current font.  The Symbol font is usually a
 special font.
 
    'gtroff' provides the following two requests to add more special
 fonts.  ⇒Using Symbols, for a detailed description of the glyph
 searching mechanism in 'gtroff'.
 
    Usually, only non-TTY devices have special fonts.
 
  -- Request: .special [s1 s2 ...]
  -- Request: .fspecial f [s1 s2 ...]
      Use the 'special' request to define special fonts.  Initially, this
      list is empty.
 
      Use the 'fspecial' request to designate special fonts only when
      font F is active.  Initially, this list is empty.
 
      Previous calls to 'special' or 'fspecial' are overwritten; without
      arguments, the particular list of special fonts is set to empty.
      Special fonts are searched in the order they appear as arguments.
 
      All fonts that appear in a call to 'special' or 'fspecial' are
      loaded.
 
      ⇒Using Symbols, for the exact search order of glyphs.
 

Info Catalog groff: Character Classes groff: Fonts and Symbols groff: Artificial Fonts