func (w *SnowballWord) FitsInR1(x int) bool {
	return w.R1start <= len(w.RS)-x
}
func (w *SnowballWord) FitsInR1(x int) bool {
	return w.R1start <= len(w.RS)-x
}
func ( w * SnowballWord ) FitsInR1 ( x int ) bool { return w . R1start <= len ( w . RS ) - x }
// Returns true if `x` runes would fit into R1.
//
Returns true if x runes would fit into R1 .