rhudson(a)ix.netcom.com writes: Yes. Not by a whole lot unless they are in an inner loop. I used to have a program that would strip comments out, so that you could keep a maintainable commented version of a program, and run it through the filter to produce a faster, smaller version. Of course, once Applesoft compilers became common, it was no longer necessary. Anyone have an extra copy of TASC (Microsoft's Applesoft compiler) for sale?