You're right, of course, but my point (and maybe I didn't make it very effectively) was that to acquire a similarly thorough understanding of macros would requi

You're right, of course, but my point (and maybe I didn't make it very effectively) was that to acquire a similarly thorough understanding of macros would require way more information - I wasn't trying to make the point that a complete description of CDS could be given in a couple of paragraphs.