> Transitioning off a long established core mainframe app is not necessarily so easy I don't think the author implied it was easy, just that it should have bee

> Transitioning off a long established core mainframe app is not necessarily so easy I don't think the author implied it was easy, just that it should have been done at some point in the 25 years since the system was first implemented. The last paragraph is just an exortation to use Unicode everywhere all the time, today.