r: add stuff for scratch

Change-Id: I2ffb3f6828cbb035105069f49de16c46d7f28ae4
Reviewed-on: https://go-review.googlesource.com/3613
Reviewed-by: Rob Pike <r@golang.org>
2 files changed
tree: 85d9a86f38e2c8fadea952078c992bc37f92f13e
  1. r/
  2. rsc/
  3. sameer/