rsc: more edits
rsc: more edits

Fake-Footer: Russ Cox <5ad239cb8a44f659eaaee0aa1ea5b94947abe557@golang.org>
Trust: Rob Pike <4dc7c9ec434ed06502767136789763ec11d2c4b7@golang.org>
Change-Id: I6bcc1c502b7375e3cc9e8efd42639206e330d03c
Reviewed-on: https://go-review.googlesource.com/c/scratch/+/324749
Trust: Russ Cox <5ad239cb8a44f659eaaee0aa1ea5b94947abe557@golang.org>
Run-TryBot: Russ Cox <5ad239cb8a44f659eaaee0aa1ea5b94947abe557@golang.org>
Reviewed-by: Russ Cox <5ad239cb8a44f659eaaee0aa1ea5b94947abe557@golang.org>

golang/scratch