Flag used in pango.types.GLYPH_UNKNOWN_FLAG to turn a gunichar value of a valid Unicode character into an unknown-character glyph for that gunichar.
Such unknown-character glyphs may be rendered as a 'hex box'.
Flag used in pango.types.GLYPH_UNKNOWN_FLAG to turn a gunichar value of a valid Unicode character into an unknown-character glyph for that gunichar.
Such unknown-character glyphs may be rendered as a 'hex box'.