String widePunctOnly = widen.transform(punctOnly);
assertContainsNone("Should be wide", ASCII, wideLettersAndSpace);
assertContainsNone("Should be wide", ASCII, widePunctOnly);
String back;
back = narrow.transform(wideLettersAndSpace);
assertEquals("Should be narrow", lettersAndSpace, back);
back = narrow.transform(widePunctOnly);
assertEquals("Should be narrow", punctOnly, back);
Transliterator latin = Transliterator.getInstance("any-Latn");