Normalize XML header attribute syntax.

Use double-quotes for the attribute values, as in the rest of each
file.  Lowercase the utf-8 encoding value.

Matches the Weblate normalized output.

app/src/main/res/values-ar/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <!--FirstStartActivity-->

app/src/main/res/values-bg/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Отворено и заслужаващо доверие приложение за нецентрализирано синхронизиране на файлове.</string>

app/src/main/res/values-ca-rES/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Una aplicació de sincronització de fitxers oberta, confiable i descentralitzada.</string>

app/src/main/res/values-cs/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Otevřená, důvěryhodná a decentralizovaná aplikace pro sdílení souborů.</string>

app/src/main/res/values-da/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">En åben, troværdig og decentraliseret fil-synkroniserings applikation.</string>

app/src/main/res/values-de-rDE/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <!--FirstStartActivity-->
   <!--Title for dialog displayed on first start-->

app/src/main/res/values-de/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Eine offene, vertrauenswürdige und dezentralisierte Anwendung zur Dateisynchronisation.</string>

app/src/main/res/values-el/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Μια ανοιχτή, αξιόπιστη και αποκεντρωμένη εφαρμογή συγχρονισμού αρχείων.</string>

app/src/main/res/values-eo/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <!--FirstStartActivity-->
   <!--Title for dialog displayed on first start-->

app/src/main/res/values-es-rEC/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <!--FirstStartActivity-->
   <!--Title for dialog displayed on first start-->

app/src/main/res/values-es-rMX/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Una aplicación para sincronización de archivos abierta, confiable y descentralizada.</string>

app/src/main/res/values-es/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Una aplicación de sincronización de ficheros abierta, de confianza y descentralizada.</string>

app/src/main/res/values-eu/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Sinkronizazio aplikazio irekia, konfiantzazkoa eta zentralizatu gabea.</string>

app/src/main/res/values-fi/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Avoin, luotettava ja hajautettu tiedostojensynkronointisovellus.</string>

app/src/main/res/values-fr/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Une application ouverte, fiable et décentralisée pour synchroniser des fichiers.</string>

app/src/main/res/values-hi-rIN/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">सिंकथिंग</string>
   <!--FirstStartActivity-->

app/src/main/res/values-hu/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Egy nyílt, megbízható és decentralizált fájl szinkronizáló alkalmazás.</string>

app/src/main/res/values-in/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Aplikasi penyelarasan berkas yang terbuka, tepercaya dan terdesentralisasi.</string>

app/src/main/res/values-it/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Un\'applicazione affidabile, decentralizzata e aperta per la sincronizzazione di file.</string>

app/src/main/res/values-iw-rIL/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <!--FirstStartActivity-->
   <!--Title for dialog displayed on first start-->

app/src/main/res/values-ja/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">オープンで、信頼できる、分散型ファイル同期アプリケーション。</string>

app/src/main/res/values-ko/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">개방적이고 믿을 수 있는 분산형 파일 동기화 응용 프로그램</string>

app/src/main/res/values-lt/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <!--FirstStartActivity-->
   <!--Title for dialog displayed on first start-->

app/src/main/res/values-nb/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">En åpen, pålitelig og desentralisert filsynkroniseringsapplikasjon.</string>

app/src/main/res/values-nl-rBE/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <!--FirstStartActivity-->

app/src/main/res/values-nl/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Een open, betrouwbare en gedecentraliseerde toepassing voor bestandssynchronisatie.</string>

app/src/main/res/values-nn/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Ein open, påliteleg og desentralisert app for filsynkronisering.</string>

app/src/main/res/values-pl/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Otwarta, godna zaufania oraz zdecentralizowana aplikacja do synchronizacji plików.</string>

app/src/main/res/values-pt-rBR/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Uma aplicação aberta, confiável e descentralizada para sincronização de arquivos.</string>

app/src/main/res/values-pt/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Uma aplicação de sincronização de ficheiros aberta, fiável e descentralizada.</string>

app/src/main/res/values-ro/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">O aplicație de sincronizare de fișiere în mod deschis, de încredere și descentralizat.</string>

app/src/main/res/values-ru/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Открытое, надёжное и децентрализованное приложение для синхронизации файлов.</string>

app/src/main/res/values-si-rLK/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">සයින්තින්</string>
   <!--FirstStartActivity-->

app/src/main/res/values-si/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">සයින්තින්</string>
   <!--FirstStartActivity-->

app/src/main/res/values-sk/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Otvorená, dôveryhodná a decentralizovaná aplikácia pre synchronizáciu súborov.</string>

app/src/main/res/values-sl/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <!--FirstStartActivity-->
   <!--Title for dialog displayed on first start-->

app/src/main/res/values-sr/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <!--FirstStartActivity-->
   <!--Title for dialog displayed on first start-->

app/src/main/res/values-sv/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">En öppen, pålitlig och decentraliserad filsynkroniserings applikation.</string>

app/src/main/res/values-ta/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <!--FirstStartActivity-->
   <!--Title for dialog displayed on first start-->

app/src/main/res/values-tr/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Açık, güvenilir ve merkezi olmayan bir dosya eşitleme uygulaması.</string>

app/src/main/res/values-uk/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Додаток для вікритої, надійної та децентралізованої синхронізації файлів.</string>

app/src/main/res/values-vi/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">Một ứng dụng đồng bộ hoá tệp phi tập trung, mở và đáng tin cậy.</string>

app/src/main/res/values-zh-rCN/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">开放、分布式且值得信赖的文件同步应用。</string>

app/src/main/res/values-zh-rHK/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">一個開放、可靠、去中心化的檔案同步應用程式。</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
   <string name="app_name">Syncthing</string>
   <string name="app_description">一個開放、可靠、去中心化的檔案同步應用程式。</string>