[R] Updating Tom Short's R Reference Card, contacting him?

I am uncertain about how to acknowledge the fact that $ can do partial matching in the space of about 30 characters. One option is this: x[["name"]] column named "name" x$name same as above (almost always) Is that better or worse than ignoring this issue, or is there an even bett

[R] Updating Tom Short's R Reference Card, contacting him?

I made an update/reboot of Tom Short's classic and public domain "R Reference Card". His is from late 2004 and I've found myself giving it to new R users with additional notes about packages. If anyone knows how to reach Tom, that would be great. I am titling this reboot "Short R Reference", in