bug: https://github.com/ImageMagick/ImageMagick/issues/143 origin: upstream, https://github.com/ImageMagick/ImageMagick/commit/424d40ebfcde48bb872eba75179d3d73704fdf1f bug-ubuntu: https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1553366 bug-debian: https://bugs.debian.org/823750
