test/bench/garbage: fix parser benchmark

R=golang-dev, bradfitz
CC=golang-dev
https://codereview.appspot.com/7762046
spec: rewrite the description of panic and recover.
The old description was misleading and inaccurate.

Fixes issue 4774.

R=iant, rsc, gri
CC=golang-dev
https://codereview.appspot.com/7761044
misc/bbedit, misc/notepadplus: remove executable bits from files.

R=golang-dev, dave, iant
CC=golang-dev
https://codereview.appspot.com/7765043

Committer: Ian Lance Taylor <iant@golang.org>