(gobject:define-genum "PangoCoverageLevel" coverage-level
  (:export t
   :type-initializer "pango_coverage_level_get_type")
  (:none 0)
  (:fallback 1)
  (:approximate 2)
  (:exact 3))  

:none

The character is not representable with the font.

:fallback

The character is represented in a way that may be comprehensible but is not the correct graphical form. For instance, a Hangul character represented as a a sequence of Jamos, or a Latin transliteration of a Cyrillic word.

:approximage

The character is represented as basically the correct graphical form, but with a stylistic variant inappropriate for the current script.

:exact

The character is represented as the correct graphical form.