That's actually purely a visual bug, and one I knew about nonetheless, although I didn't know it could happen in this specific case. Basically (rot13) Pbzob qbbef unir n qvssrerag fcevgr frg guna abezny qbbef, naq vzntvanel inevnagf jrer arire nqqrq. V gevrq gb hfr ahzrevpny ybpxf sbe rirel pnfr bs n Pbzob Qbbe juvpu pbhyq unir vzntvanel pbcvrf nccyvrq, ohg V sbetbg nyy nobhg guvf bar. Hafher vs V'yy svk vg nalgvzr fbba.