modify the condition of the first character so that any characters in…

… category L without lower case characters are valid #15
gophersjp · Feb 27, 2014 · d7d32fe · d7d32fe
1 parent 85989cd
commit d7d32fe
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/src/pkg/go/doc/comment.go b/src/pkg/go/doc/comment.go
@@ -183,7 +183,7 @@ func heading(line string) string {
 
 	// a heading must start with an uppercase letter
 	r, _ := utf8.DecodeRuneInString(line)
-	if !unicode.IsLetter(r) || !unicode.IsUpper(r) {
+	if !unicode.IsLetter(r) || unicode.IsLower(r) {
 		return ""
 	}
 

diff --git a/src/pkg/go/doc/comment_test.go b/src/pkg/go/doc/comment_test.go
@@ -31,6 +31,13 @@ var headingTests = []struct {
 	{"Use n+m", false},
 	{"Scanning:", false},
 	{"N:M", false},
+	{"これはヘッダです", true},
+	{"これはヘッダではありません。", false},
+	{"コレも、ヘッダではないです", false},
+	{"ヘッダです", true},
+	{"此れもヘッダでないです。", false},
+	{"此れはヘッダで須", true},
+	{"これはヘッダでない！", false},
 }
 
 func TestIsHeading(t *testing.T) {