Hi John, thanks for the quick check!
> Does it happen with -fhtml? No, indeed, here it doesn't happen. > configure --disable-gc Happens also with --disable-gc here. > Maybe it is a bug in your graphics driver? Or some other library, indeed. I guess I leave it at this, right, and we simply ignore since it produces documents correctly. Best Norbert -- PREINING Norbert https://www.preining.info Fujitsu Research Labs + IFMGA Guide + TU Wien + TeX Live + Debian Dev GPG: 0x860CDC13 fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13