Disallowing mixed scripts in labels is not necessarily workable. Consider that in South Korea it is common to use the English "ing" gerund ending in otherwise

Disallowing mixed scripts in labels is not necessarily workable. Consider that in South Korea it is common to use the English "ing" gerund ending in otherwise Hangul text. That said, that would be the a very good step towards ameliorating the confusables issue in IDNs.