Your question raises thoughts
that disturb my complacency.
About the yellow patches in green area
of old rugs, you ask, "Is it common?" I use it as a diagnostic sign of a
natural green, and generally don't think a green is natural unless it
shows this. It's more than common, it's universal. Obviously, since I use
it as a way of defining a green as natural, every green that I judge to be
natural will show it. The conclusion is embedded in the
I'm reminded of a "Peanuts" cartoon that I keep on the
bulletin board in my office. Charlie Brown says, "Something that I was
sure would happen, didn't happen. What should I do?" Linus answers, "Well,
you could admit you were wrong." Charlie Brown responds with "Besides
that, I mean."
The bottom line is that I see it a lot, but may
treat its absence as a sign that the green I'm looking at is