path/filepath: better documentation for WalkFunc Define the properties of the arguments better. In particular, explain that the path is (sort of) relative to the argument to Walk.
path/filepath: better documentation for WalkFunc
Define the properties of the arguments better. In particular,
explain that the path is (sort of) relative to the argument to
Walk.

Fixes issue 4119.

R=golang-dev, iant
CC=golang-dev
http://codereview.appspot.com/6721048

dsriram/golang,tv42/old-go,gnanderson/go,apparentlymart/golang,pombredanne/go-deleteme,tv42/old-go,tv42/old-go,gnanderson/go,dsriram/golang,apparentlymart/golang,dsriram/golang,dsriram/golang,gnanderson/go,gnanderson/go,pombredanne/go-deleteme,apparentlymart/golang,dsriram/golang,pombredanne/go-deleteme,gnanderson/go,pombredanne/go-deleteme,tv42/old-go,apparentlymart/golang,dsriram/golang,apparentlymart/golang,pombredanne/go-deleteme,gnanderson/go,tv42/old-go,pombredanne/go-deleteme,apparentlymart/golang,apparentlymart/golang,tv42/old-go,gnanderson/go,dsriram/golang,tv42/old-go,pombredanne/go-deleteme