Барт Гопник wrote: > Why value of "-r" switch in "--best" is limited to 6? > > The maximum Rice order is 8 (not 6) for the stream to be Subset compatible. Because -r 8 is noticeable slower? The size difference is 0,0003%, the speed difference is 30...40%. BTW, you can also use -A=... options to increase compression ratio.