On Fri, Mar 25, 2016 at 01:55:13AM +0100, Rafal Luzynski wrote: [...] > This means that all applications using %B to retrieve the month > name standalone should use %OB from now. Such applications as cal(1) would not be able to print month names properly in a way that would work with different glibc versions. Looks like this is a change incompatible in both ways. -- ldv