> What about regions that treat the comma as a decimal separator? A good reason not to change it from a period to a comma, not really relevant to whether to ch

> What about regions that treat the comma as a decimal separator? A good reason not to change it from a period to a comma, not really relevant to whether to change it from a period to something else. > I agree with the other commenter that this is no different than using periods in IPv4 addresses. IP addresses have no useful concept of "before" or "after", whereas these do.