From f7edec22f76f0c19fb6990e13510aab957860ee0 Mon Sep 17 00:00:00 2001
From: Andrew Gerrand <adg@golang.org>
Date: Wed, 13 Nov 2013 14:31:58 +1100
Subject: [release-branch.go1.2] go/doc: add full stop of Japanese, Chinese and
 Korean.
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««« CL 21130043 / 0685a9549d5a
go/doc: add full stop of Japanese, Chinese and Korean.

This fix will show a good synopsis on package listings in that languages.

R=adg, r
CC=golang-dev
https://golang.org/cl/21130043

»»»

R=golang-dev
CC=golang-dev
https://golang.org/cl/25720043
---
 src/pkg/go/doc/synopsis.go      | 3 +++
 src/pkg/go/doc/synopsis_test.go | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/src/pkg/go/doc/synopsis.go b/src/pkg/go/doc/synopsis.go
index d1ad86c741..c90080b7cc 100644
--- a/src/pkg/go/doc/synopsis.go
+++ b/src/pkg/go/doc/synopsis.go
@@ -22,6 +22,9 @@ func firstSentenceLen(s string) int {
 		if q == ' ' && p == '.' && (!unicode.IsUpper(pp) || unicode.IsUpper(ppp)) {
 			return i
 		}
+		if p == '。' || p == '．' {
+			return i
+		}
 		ppp, pp, p = pp, p, q
 	}
 	return len(s)
diff --git a/src/pkg/go/doc/synopsis_test.go b/src/pkg/go/doc/synopsis_test.go
index fd7081a07c..59b253cb8d 100644
--- a/src/pkg/go/doc/synopsis_test.go
+++ b/src/pkg/go/doc/synopsis_test.go
@@ -28,6 +28,8 @@ var tests = []struct {
 	{"P. Q.   ", 8, "P. Q."},
 	{"Package Καλημέρα κόσμε.", 36, "Package Καλημέρα κόσμε."},
 	{"Package こんにちは 世界\n", 31, "Package こんにちは 世界"},
+	{"Package こんにちは。世界", 26, "Package こんにちは。"},
+	{"Package 안녕．世界", 17, "Package 안녕．"},
 	{"Package foo does bar.", 21, "Package foo does bar."},
 	{"Copyright 2012 Google, Inc. Package foo does bar.", 27, ""},
 	{"All Rights reserved. Package foo does bar.", 20, ""},
-- 
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