go/ast: note that in BasicLit CHARs and STRINGs are quoted
This reapplies CL 244960, for some reason CL 264181 removed this comment.
Updates #39590
Change-Id: Ia37268812c6929020b0cd583d2c7fa48a098377c
GitHub-Last-Rev:
2acee37fedc7f2edfffec4f2e4c465708f210a97
GitHub-Pull-Request: golang/go#69019
Reviewed-on: https://go-review.googlesource.com/c/go/+/607517
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Tim King <taking@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>