ChiNegative      1045 magick/geometry.c               flags^=ChiNegative;  /* negate sign */
ChiNegative      1053 magick/geometry.c               if ((flags&ChiNegative) != 0)
ChiNegative      1094 magick/geometry.c     (flags & ChiValue) ? ((flags & ChiNegative) ? "-Z" : "+Z") : "  ");