�� in the
  <a href="https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6cmap.html">Apple TrueType specification</a>, Macintosh language codes in
  the ‘cmap’ table are 1 higher than the QuickDraw language code).
  Although Apple has deprecated the
  Macintosh encodings in favor of Unicode in 2002, present-day
  renderers may still encounter such fonts. For example, users
  sometimes want to open electronic documents that were created a long
  time ago, and certain file formats contain