tree adccce7072b03c2fd2fd38486018c523e046a53e
parent d21b37bbe7b98316cc58df65a6032c3f3c20a605
author Russ Cox <rsc@golang.org> 1412624973 -0400
committer Russ Cox <rsc@golang.org> 1412624973 -0400
golang-hg db10387ebca641ad069757fcbba005abf9e69b3f

os: recomment MkdirAll

The internal comments are not completely precise about
what is going on, and they are causing confusion.

Fixes #8283.

LGTM=r
R=r
CC=golang-codereviews
https://golang.org/cl/151460043