commit ce4a1af3534d2f87310816bf06b8d42c1ba45c79
author Katrina Owen <katrina.owen@gmail.com> Wed Jan 27 11:21:50 2016 -0700
committer Brad Fitzpatrick <bradfitz@golang.org> Wed Jan 27 19:01:21 2016 +0000
tree ff44bf14165122338bc83008e43448dced7335e0
parent d117a43c4902b2e5ea407a63c8413b8befd81459

content: change variable names in exported names article

It was confusing to some people that the article mentions Foo, FOO, and foo, when
the code example doesn't contain those names.

This replaces the foos with variations on Pi, which is the
constant used in the example.

Fixes golang/go#13045

Change-Id: I4ea572915dbd56a2fcbef6ea3691e1be397460cd
Reviewed-on: https://go-review.googlesource.com/18987
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>