Update vendored library golang.org/x/text

vendor/golang.org/x/text/message/pipeline/message.go

@@ -6,7 +6,6 @@ package pipeline
 
 import (
 	"encoding/json"
-	"errors"
 	"strings"
 
 	"golang.org/x/text/language"
@@ -24,8 +23,28 @@ import (
 // the format string "%d file(s) remaining".
 // See the examples directory for examples of extracted messages.
 
-// Messages is used to store translations for a single language.
-type Messages struct {
+// Config contains configuration for the translation pipeline.
+type Config struct {
+	SourceLanguage language.Tag
+
+	// Supported indicates the languages for which data should be generated.
+	// If unspecified, it will attempt to derive the set of supported languages
+	// from the context.
+	Supported []language.Tag
+
+	Packages []string
+
+	// TODO:
+	// - Printf-style configuration
+	// - Template-style configuration
+	// - Extraction options
+	// - Rewrite options
+	// - Generation options
+}
+
+// A Locale is used to store all information for a single locale. This type is
+// used both for extraction and injection.
+type Locale struct {
 	Language language.Tag    `json:"language"`
 	Messages []Message       `json:"messages"`
 	Macros   map[string]Text `json:"macros,omitempty"`
@@ -36,7 +55,7 @@ type Message struct {
 	// ID contains a list of identifiers for the message.
 	ID IDList `json:"id"`
 	// Key is the string that is used to look up the message at runtime.
-	Key         string `json:"key,omitempty"`
+	Key         string `json:"key"`
 	Meaning     string `json:"meaning,omitempty"`
 	Message     Text   `json:"message"`
 	Translation Text   `json:"translation"`
@@ -46,11 +65,6 @@ type Message struct {
 
 	Placeholders []Placeholder `json:"placeholders,omitempty"`
 
-	// Fuzzy indicates that the provide translation needs review by a
-	// translator, for instance because it was derived from automated
-	// translation.
-	Fuzzy bool `json:"fuzzy,omitempty"`
-
 	// TODO: default placeholder syntax is {foo}. Allow alternative escaping
 	// like `foo`.
 
@@ -100,20 +114,6 @@ func (m *Message) Substitute(msg string) (sub string, err error) {
 	return sub, err
 }
 
-var errIncompatibleMessage = errors.New("messages incompatible")
-
-func checkEquivalence(a, b *Message) error {
-	for _, v := range a.ID {
-		for _, w := range b.ID {
-			if v == w {
-				return nil
-			}
-		}
-	}
-	// TODO: canonicalize placeholders and check for type equivalence.
-	return errIncompatibleMessage
-}
-
 // A Placeholder is a part of the message that should not be changed by a
 // translator. It can be used to hide or prettify format strings (e.g. %d or
 // {{.Count}}), hide HTML, or mark common names that should not be translated.