message: fixed link fromGroup location-iterator to use instance
diff: @@ -126,8 +126,10 @@ export namespace LinkIterator {
  const unit = group.units[0]
  const groupCount = Unit.isAtomic(unit) ? unit.links.edgeCount * 2 : 0
  const instanceCount = group.units.length
  - const location = StructureElement.create(unit)
  - const getLocation = (groupIndex: number) => {
  + const location = StructureElement.create()
  + const getLocation = (groupIndex: number, instanceIndex: number) => {
  + const unit = group.units[instanceIndex]
  + location.unit = unit
  location.element = unit.elements[(unit as Unit.Atomic).links.a[groupIndex]]
  return location
  }
  