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Robert Griesemer 0436a89a2c spec: be more explicit about equivalence of empty string and absent field tags
Note that the spec already makes that point with a comment in the very first
example for struct field tags. This change is simply stating this explicitly
in the actual spec prose.

- gccgo and go/types already follow this rule
- the current reflect package API doesn't distinguish between absent tags
  and empty tags (i.e., there is no discoverable difference)

Fixes #15412.

Change-Id: I92f9c283064137b4c8651630cee0343720717a02
Reviewed-on: https://go-review.googlesource.com/22391
Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
2016-04-25 19:21:40 +00:00
.github doc: update issue template 2016-03-09 00:52:16 +00:00
api api: update next.txt 2016-04-22 23:09:00 +00:00
doc spec: be more explicit about equivalence of empty string and absent field tags 2016-04-25 19:21:40 +00:00
lib/time misc: update timezone database to IANA 2016a 2016-02-03 03:14:59 +00:00
misc cmd/link: use gold when dynamic linking on arm64 2016-04-18 16:14:44 +00:00
src cmd/compile: encapsulate OSLICE* representation 2016-04-25 18:39:33 +00:00
test test: add test for issue 15084 2016-04-25 19:20:40 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: don't ignore y.output 2016-04-17 22:41:13 +00:00
AUTHORS A+C: manual updates 2016-01-08 06:02:39 +00:00
CONTRIBUTING.md doc: use new Gerrit URL and mention our instance in CONTRIBUTING.md 2016-03-09 00:52:42 +00:00
CONTRIBUTORS C: fix jbd's identity 2016-04-07 18:25:13 +00:00
favicon.ico godoc: update favicon 2012-10-11 17:02:36 +11:00
LICENSE doc: update licensing text one more time 2012-03-27 15:09:13 +11:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README.md readme: emphasize issue tracker is for bugs/proposals 2015-10-02 18:44:14 +00:00
robots.txt godoc: serve robots.txt raw 2011-02-19 05:46:20 +11:00

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