// cccZero (0) and cccAbove (230). If the value is cccOther, it means that
// CCC(r) > 0, but not 230. A value of cccBreak means that CCC(r) == 0 and that
// the rune also has the break category Break (see below).
const (
	cccBreak info = iota << 4
	cccZero
	cccAbove
	cccOther

	cccMask = cccBreak | cccZero | cccAbove | cccOther
)

const (
	starter       = 0

				c.unreadRune()
				return true

			// We don't need to test for IotaSubscript as the only rune that
			// qualifies (U+0345) was already excluded in the switch statement
			// above. See A.4.

			case cccAbove:
				return c.copy()
			default:
				// Some other modifier. We're still allowed to gobble Greek
				// modifiers after this.
				c.copy()
			}
		}
	}
	return i == maxIgnorable
}