https://issues.dlang.org/show_bug.cgi?id=15162
John Colvin <john.loughran.col...@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |john.loughran.colvin@gmail. | |com --- Comment #1 from John Colvin <john.loughran.col...@gmail.com> --- Not totally sure, but I think you're just seeing https://github.com/D-Programming-Language/phobos/blob/master/std/utf.d#L1169 --