code review 5543054: go/doc: rewrote and completed test framework

go/doc: rewrote and completed test framework

Packages to test are kept in ./testdata together
with the corresponding golden (packagename.out)
file.

To update the golden files, run: go test -update

[gri, 2012-01-13 21:30:11]

Hello rsc@golang.org (cc: golang-dev@googlegroups.com),

I'd like you to review this change to
https://go.googlecode.com/hg/

[gri, 2012-01-17 23:22:01]

Hello rsc@golang.org (cc: golang-dev@googlegroups.com),

Please take another look.

[rsc, 2012-01-18 19:17:37]

LGTM

Nice.

[gri, 2012-01-18 22:11:49]

*** Submitted as http://code.google.com/p/go/source/detail?r=2fc359321899 ***

go/doc: rewrote and completed test framework

Packages to test are kept in ./testdata together
with the corresponding golden (packagename.out)
file.

To update the golden files, run: go test -update

R=rsc
CC=golang-dev
http://codereview.appspot.com/5543054