k3d/share/shaders/k3d_shifteddrtile.sl:43:#define isOdd(x) \
k3d/share/shaders/k3d_shifteddrtile.sl:77:	if (isOdd(row) == 0) {
k3d/share/shaders/k3d_shiftedmoontile.sl:38:#define isOdd(x) \
k3d/share/shaders/k3d_shiftedmoontile.sl:72:	if (isOdd(row) == 0)
