add sequenced tag to dictionary header

common.go

@@ -156,7 +156,7 @@ func (kanji dbKanjiList) crush() dbRecordList {
 	return results
 }
 
-func writeDb(outputPath, title, revision string, recordData map[string]dbRecordList, stride int, pretty bool) error {
+func writeDb(outputPath, title, revision string, sequenced bool, recordData map[string]dbRecordList, stride int, pretty bool) error {
 	var zbuff bytes.Buffer
 	zip := zip.NewWriter(&zbuff)
 
@@ -201,14 +201,16 @@ func writeDb(outputPath, title, revision string, recordData map[string]dbRecordL
 
 	var err error
 	var db struct {
-		Title    string `json:"title"`
-		Format   int    `json:"format"`
-		Revision string `json:"revision"`
+		Title     string `json:"title"`
+		Format    int    `json:"format"`
+		Revision  string `json:"revision"`
+		Sequenced bool   `json:"sequenced"`
 	}
 
 	db.Title = title
 	db.Format = databaseFormat
 	db.Revision = revision
+	db.Sequenced = sequenced
 
 	for recordType, recordEntries := range recordData {
 		if _, err := writeDbRecords(recordType, recordEntries); err != nil {

edict.go

@@ -195,7 +195,7 @@ func jmdictExtractTerms(edictEntry jmdict.JmdictEntry, language string) []dbTerm
 			}
 		}
 		for _, reading := range edictEntry.Readings {
-			if reading.NoKanji != nil  {
+			if reading.NoKanji != nil {
 				convert(reading, nil)
 			}
 		}
@@ -260,6 +260,7 @@ func jmdictExportDb(inputPath, outputPath, language, title string, stride int, p
 		outputPath,
 		title,
 		jmdictRevision,
+		true,
 		recordData,
 		stride,
 		pretty,

enamdict.go

@@ -127,6 +127,7 @@ func jmnedictExportDb(inputPath, outputPath, language, title string, stride int,
 		outputPath,
 		title,
 		jmnedictRevision,
+		true,
 		recordData,
 		stride,
 		pretty,

epwing.go

@@ -213,6 +213,7 @@ func epwingExportDb(inputPath, outputPath, language, title string, stride int, p
 		outputPath,
 		title,
 		strings.Join(revisions, ";"),
+		true,
 		recordData,
 		stride,
 		pretty,

frequency.go

@@ -83,6 +83,7 @@ func frequncyExportDb(inputPath, outputPath, language, title string, stride int,
 		outputPath,
 		title,
 		frequencyRevision,
+		false,
 		recordData,
 		stride,
 		pretty,

kanjidic.go

@@ -187,6 +187,7 @@ func kanjidicExportDb(inputPath, outputPath, language, title string, stride int,
 		outputPath,
 		title,
 		kanjidicRevision,
+		false,
 		recordData,
 		stride,
 		pretty,

rikai.go

@@ -180,6 +180,7 @@ func rikaiExportDb(inputPath, outputPath, language, title string, stride int, pr
 		outputPath,
 		title,
 		rikaiRevision,
+		true,
 		recordData,
 		stride,
 		pretty,