diff --git a/lib/doc/UserGuide.lyx b/lib/doc/UserGuide.lyx
index 918db5d7fc..18908ba1d9 100644
--- a/lib/doc/UserGuide.lyx
+++ b/lib/doc/UserGuide.lyx
@@ -44899,24 +44899,6 @@ Customization ! of menus
 \end_inset
 
 
-\end_layout
-
-\begin_layout Standard
-\begin_inset Note Greyedout
-status open
-
-\begin_layout Plain Layout
-
-\series bold
-Note:
-\series default
- You have to restart LyX before the change of the user interface file take
- effect.
-\end_layout
-
-\end_inset
-
-
 \end_layout
 
 \begin_layout Standard
@@ -44954,7 +44936,7 @@ Menu
 \family sans
 Toolbar
 \family default
- entries must be ended with an explicit 
+ entries must be finished with an explicit 
 \family sans
 End
 \family default
@@ -45091,6 +45073,23 @@ bookmark-save 6
 to the navigate menu section in the .inc-file to have the sixth bookmark.
 \end_layout
 
+\begin_layout Subsubsection
+Icon Set
+\end_layout
+
+\begin_layout Standard
+Here you can change the appearance of LyX's toolbar buttons.
+ The currently available icon sets are compared in 
+\begin_inset CommandInset href
+LatexCommand href
+name "this image"
+target "http://wiki.lyx.org/uploads/LyX/NewInLyX20/themes.png"
+
+\end_inset
+
+.
+\end_layout
+
 \begin_layout Subsubsection
 Automatic help
 \end_layout
@@ -45111,15 +45110,7 @@ Session
 \begin_layout Standard
 With the option 
 \family sans
-Allow saving
-\begin_inset space \thinspace{}
-\end_inset
-
-/
-\begin_inset space \thinspace{}
-\end_inset
-
-restoring of window layout and geometries
+Restore window layouts and geometries
 \family default
  LyX's main window will be opened with the size and layout that was used
  in the last LyX session.
@@ -45142,6 +45133,15 @@ Load opened files from last session
  opens all files that were opened in the last LyX session.
 \end_layout
 
+\begin_layout Standard
+The button 
+\family sans
+Clear all session information
+\family default
+ deletes all information from previous LyX sessions (cursor positions, names
+ of last used documents, etc.).
+\end_layout
+
 \begin_layout Subsubsection
 Documents
 \begin_inset CommandInset label
@@ -45164,11 +45164,42 @@ Backup ! Documents
 \end_layout
 
 \begin_layout Standard
-If the option 
+
 \family sans
-Backup documents
+Backup original documents when saving
 \family default
- is set, you can specify the time between backup saves.
+ creates a backup copy of the file in the state when it was opened or when
+ it was saved the last time.
+ It is stored in the same folder as your document and has the file extension
+ 
+\begin_inset Quotes eld
+\end_inset
+
+
+\family sans
+.lyx~
+\family default
+
+\begin_inset Quotes erd
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Standard
+With the option 
+\family sans
+Backup documents, every
+\family default
+, you can specify the time between backup saves.
+\end_layout
+
+\begin_layout Standard
+
+\family sans
+Save documents compressed by default
+\family default
+ saves the files always in a compressed format.
 \end_layout
 
 \begin_layout Standard
@@ -45198,6 +45229,43 @@ Open documents in tabs
  LyX.
 \end_layout
 
+\begin_layout Standard
+With the option 
+\family sans
+Single close-tab button
+\family default
+ there will only be one button (
+\family sans
+
+\begin_inset Graphics
+	filename ../images/closetab.png
+	scale 75
+
+\end_inset
+
+
+\family default
+) at the right side of the tab bar to close tabs.
+ Otherwise every document tab has its own close button.
+\end_layout
+
+\begin_layout Standard
+\begin_inset Note Greyedout
+status open
+
+\begin_layout Plain Layout
+
+\series bold
+Note:
+\series default
+ For the last option you have to restart LyX before the chang takes effect.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
 \begin_layout Subsection
 Screen Fonts
 \begin_inset Index idx
diff --git a/lib/doc/de/UserGuide.lyx b/lib/doc/de/UserGuide.lyx
index 5ddcc14025..8550760e7a 100644
--- a/lib/doc/de/UserGuide.lyx
+++ b/lib/doc/de/UserGuide.lyx
@@ -42571,28 +42571,6 @@ Anpassung ! der Menüs
 \end_inset
 
 
-\end_layout
-
-\begin_layout Standard
-
-\lang english
-\begin_inset Note Greyedout
-status open
-
-\begin_layout Plain Layout
-
-\series bold
-Achtung
-\lang english
-:
-\series default
- You have to restart LyX before the change of the user interface file take
- effect.
-\end_layout
-
-\end_inset
-
-
 \end_layout
 
 \begin_layout Standard
@@ -42676,8 +42654,6 @@ Lastfiles
 \end_layout
 
 \begin_layout Standard
-
-\lang english
 \begin_inset VSpace smallskip*
 \end_inset
 
@@ -42708,26 +42684,18 @@ LyX-function
 
 \begin_layout Standard
 \noindent
-
-\lang english
 \begin_inset VSpace smallskip*
 \end_inset
 
-All LyX-functions are listed in the Menü 
+Alle LyX-Funktionen sind im Menü 
 \family sans
-Help\SpecialChar \menuseparator
-LyX
-\begin_inset space ~
-\end_inset
-
-Functions
+Hilfe\SpecialChar \menuseparator
+LyX-Funktionen
 \family default
-.
+ aufgelistet.
 \end_layout
 
 \begin_layout Standard
-
-\lang english
 \begin_inset VSpace medskip
 \end_inset
 
@@ -42737,18 +42705,16 @@ Functions
 \begin_layout Standard
 
 \lang english
-An Beispiel: Assuming you use the Menü 
+Ein Beispiel: Assuming you use the Menü 
 \family sans
-Navigate\SpecialChar \menuseparator
-Bookmarks
+Navigieren\SpecialChar \menuseparator
+Lesezeichen
 \family default
  quite often und therefore want six available bookmarks, you can add the
  line
 \end_layout
 
 \begin_layout Standard
-
-\lang english
 \begin_inset VSpace smallskip*
 \end_inset
 
@@ -42775,14 +42741,35 @@ bookmark-save 6
 
 \begin_layout Standard
 \noindent
-
-\lang english
 \begin_inset VSpace smallskip*
 \end_inset
 
+
+\lang english
 to the navigate Menü section in the .inc-file to have the sixth bookmark.
 \end_layout
 
+\begin_layout Subsubsection
+Symboldesign
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+Here you can change the appearance of LyXs toolbar buttons.
+ The currently available icon sets are
+\lang ngerman
+ in 
+\begin_inset CommandInset href
+LatexCommand href
+name "diesem Bild"
+target "http://wiki.lyx.org/uploads/LyX/NewInLyX20/themes.png"
+
+\end_inset
+
+ gegenübergestellt.
+\end_layout
+
 \begin_layout Subsubsection
 Automatische Hilfe
 \end_layout
@@ -42790,9 +42777,9 @@ Automatische Hilfe
 \begin_layout Standard
 
 \lang english
-The Option 
+Die Option 
 \family sans
-Enable tool tips in main work area
+Tooltips im Hauptarbeitsbereich aktivieren
 \family default
  enables tool tips showing the content of closed insets like index entries
  oder footnotes.
@@ -42805,28 +42792,20 @@ Sitzung
 \begin_layout Standard
 
 \lang english
-With the Option 
+Mit der Option 
 \family sans
-Allow saving
-\begin_inset space \thinspace{}
-\end_inset
-
-/
-\begin_inset space \thinspace{}
-\end_inset
-
-restoring of Fenster layout und geometries
+Aussehen und Größe von Fenstern wiederherstellen
 \family default
- LyX's main Fenster will be opened mit the Größe und layout that was used
+ LyXs Hauptfenster will be opened mit the Größe und layout that was used
  in the last LyX session.
 \end_layout
 
 \begin_layout Standard
 
 \lang english
-The Option 
+Die Option 
 \family sans
-Restore cursor positions
+Cursor-Positionen wiederherstellen
 \family default
  sets the cursor to the position in the file where it has been the last
  time.
@@ -42835,13 +42814,24 @@ Restore cursor positions
 \begin_layout Standard
 
 \lang english
-The Option 
+Die Option 
 \family sans
-Load opened files from last session
+Geöffnete Dateien der letzten Sitzung laden
 \family default
  opens all files that were opened in the last LyX session.
 \end_layout
 
+\begin_layout Standard
+
+\lang english
+Der Knopf 
+\family sans
+Lösche alle Sitzungsinformationen
+\family default
+ deletes all information from previous LyX sessions (cursor positions, names
+ of last used documents, etc.).
+\end_layout
+
 \begin_layout Subsubsection
 Dokumente
 \begin_inset CommandInset label
@@ -42865,19 +42855,52 @@ Sicherung ! Dokumente
 
 \begin_layout Standard
 
-\lang english
-If the Option 
 \family sans
-Backup Dokuments
+\lang english
+Sichere Originaldokumente beim Speichern
 \family default
- is set, you can specify the time between backup saves.
+ creates a backup copy of the file in the state when it was opened or when
+ it was saved the last time.
+ It is stored in the same folder as your document and has the file extension
+ 
+\begin_inset Quotes eld
+\end_inset
+
+
+\family sans
+.lyx~
+\family default
+
+\begin_inset Quotes erd
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+With the option 
+\family sans
+Sicherung der Dokumente alle
+\family default
+, you can specify the time between backup saves.
 \end_layout
 
 \begin_layout Standard
 
 \family sans
 \lang english
-Maximum last files
+Save documents compressed by default
+\family default
+ saves the files always in a compressed format.
+\end_layout
+
+\begin_layout Standard
+
+\family sans
+\lang english
+Maximale Anzahl letzter Dateien
 \family default
  is the number of last opened files that LyX should display in the Menü
  
@@ -42897,12 +42920,52 @@ Recent
 \lang english
 If the Option 
 \family sans
-Open Dokuments in tabs
+Dokument in Registerkarten öffnen
 \family default
  is not used, then every file will be opened in its own new instance of
  LyX.
 \end_layout
 
+\begin_layout Standard
+
+\lang english
+With the option 
+\family sans
+Globaler Knopf zum Schließen von Registerkarten
+\family default
+ there will only be one Knopf (
+\family sans
+
+\begin_inset Graphics
+	filename ../../images/closetab.png
+	scale 75
+
+\end_inset
+
+
+\family default
+) at the right side der Reiterleiste to close Registerkarten.
+ Otherwise every document Registerkarte has its own close Knopf.
+\end_layout
+
+\begin_layout Standard
+\begin_inset Note Greyedout
+status open
+
+\begin_layout Plain Layout
+
+\series bold
+Achtung:
+\series default
+ Für die letzte Option muss LyX neu gestartet werden, ehe die Änderung aktiv
+ wird.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
 \begin_layout Subsection
 Bildschirmschriften
 \begin_inset CommandInset label
@@ -43077,7 +43140,8 @@ reference "sub:Dokumentschrift-und-Schriftgröße"
 \lang english
 With the Option 
 \family sans
-Use Pixmap Cache to speed up font rendering
+Pixmap-Zwischenspeicher benutzen, um die Darstellung von Zeichen zu beschleunige
+n
 \family default
  enabled, LyX needs to redraw the screen less often.
  This results in better performance, especially on slow systems.
@@ -43208,9 +43272,9 @@ Bearbeiten
 \begin_layout Standard
 
 \lang english
-The Option 
+Die Option 
 \family sans
-Cursor follows scrollbar
+Cursor folgt Scrollbar
 \family default
  sets the cursor to the top of the currently displayed Dokument part when
  scrolling.
@@ -43231,19 +43295,19 @@ Cursor width
 \begin_layout Standard
 
 \lang english
-The Option 
+Die Option 
 \family sans
-Sort environments alphabetically
+Absatzlayouts alphabetisch sortieren
 \family default
- sorts the entries in the pull-down box für the paragraph environments.
+sorts the entries in the pull-down box für the paragraph environments.
 \end_layout
 
 \begin_layout Standard
 
 \lang english
-The Option 
+Die Option 
 \family sans
-Group environments by their category
+Absatzlayouts nach Kategorien gruppieren
 \family default
  groups the entries in the pull-down box für the paragraph environments.
 \end_layout
@@ -43251,7 +43315,7 @@ Group environments by their category
 \begin_layout Standard
 
 \lang english
-The math macro editing Option determines the editing style, siehe the Abschnitt
+Die math macro editing Option determines the editing style, siehe the Abschnitt
  
 \emph on
 Math Macros
diff --git a/lib/doc/es/UserGuide.lyx b/lib/doc/es/UserGuide.lyx
index 850b0bfecc..96266dcdd2 100644
--- a/lib/doc/es/UserGuide.lyx
+++ b/lib/doc/es/UserGuide.lyx
@@ -45266,24 +45266,6 @@ Apariencia
 Interfaz de usuario
 \end_layout
 
-\begin_layout Standard
-\begin_inset Note Greyedout
-status collapsed
-
-\begin_layout Plain Layout
-
-\series bold
-Nota:
-\series default
- Debes reiniciar LyX para que los cambios en los archivos .ui y .bind tengan
- efecto.
-\end_layout
-
-\end_inset
-
-
-\end_layout
-
 \begin_layout Subsubsection
 Archivo de la interfaz de usuario
 \begin_inset Index idx
@@ -45459,6 +45441,25 @@ Navigate, "navigate_bookmarks"
 .
 \end_layout
 
+\begin_layout Subsubsection
+Colección de iconos
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+Here you can change the appearance of LyX's toolbar buttons.
+ The currently available icon sets are compared in 
+\begin_inset CommandInset href
+LatexCommand href
+name "this image"
+target "http://wiki.lyx.org/uploads/LyX/NewInLyX20/themes.png"
+
+\end_inset
+
+.
+\end_layout
+
 \begin_layout Subsubsection
 Ayuda automática
 \end_layout
@@ -45501,7 +45502,19 @@ Cargar los archivos abiertos de la última sesión
 \family default
  hace que se abran todos los archivos que estuvieran abiertos en la última
  sesión de LyX.
- 
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+The button 
+\family sans
+\lang spanish
+Limpiar la información de todas las sesiones
+\family default
+\lang english
+ deletes all information from previous LyX sessions (cursor positions, names
+ of last used documents, etc.).
 \end_layout
 
 \begin_layout Subsubsection
@@ -45525,16 +45538,78 @@ Documentos ! Copias de seguridad
 
 \end_layout
 
+\begin_layout Standard
+
+\family sans
+Hacer copias de seguridad de los documentos originales al guardar
+\lang english
+ 
+\family default
+creates a backup copy of the file in the state when it was opened or when
+ it was saved the last time.
+ It is stored in the same folder as your document and has the file extension
+ 
+\begin_inset Quotes eld
+\end_inset
+
+
+\family sans
+.lyx~
+\family default
+
+\begin_inset Quotes erd
+\end_inset
+
+.
+\end_layout
+
 \begin_layout Standard
 Si está marcada la opción 
 \family sans
-Copias de seguridad
+Hacer copias de seguridad cada 
 \family default
  puedes especificar el intervalo de tiempo entre copias de seguridad.
 \end_layout
 
 \begin_layout Standard
 
+\family sans
+Guardar los documentos comprimidos por omisión 
+\family default
+\lang english
+saves the files always in a compressed format.
+\begin_inset Note Note
+status open
+
+\begin_layout Plain Layout
+
+\lang english
+\begin_inset Quotes fld
+\end_inset
+
+por omisión
+\begin_inset Quotes frd
+\end_inset
+
+ doesn't seem correct to me.
+ What about 
+\begin_inset Quotes fld
+\end_inset
+
+por estandard
+\begin_inset Quotes frd
+\end_inset
+
+?
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+
 \family sans
 Documentos recientes
 \family default
@@ -45556,6 +45631,52 @@ Abrir documentos en pestañas
  cada archivo se abrirá en su propia nueva ventana de LyX.
 \end_layout
 
+\begin_layout Standard
+
+\lang english
+With the option
+\lang spanish
+ 
+\family sans
+Botón único para cerrar pestañas
+\family default
+ t
+\lang english
+here will only be one button (
+\family sans
+
+\begin_inset Graphics
+	filename ../../images/closetab.png
+	scale 75
+
+\end_inset
+
+
+\family default
+) at the right side of the tab bar to close tabs.
+ Otherwise every document tab has its own close button.
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+\begin_inset Note Greyedout
+status open
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+Note:
+\series default
+ For the last option you have to restart LyX before the chang takes effect.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
 \begin_layout Subsection
 Tipografías de pantalla
 \begin_inset Index idx
diff --git a/lib/doc/fr/UserGuide.lyx b/lib/doc/fr/UserGuide.lyx
index 17de30a70a..a83bd3d5ab 100644
--- a/lib/doc/fr/UserGuide.lyx
+++ b/lib/doc/fr/UserGuide.lyx
@@ -45222,24 +45222,6 @@ Personnalisation ! des menus
 \end_inset
 
 
-\end_layout
-
-\begin_layout Standard
-\begin_inset Note Greyedout
-status open
-
-\begin_layout Plain Layout
-
-\series bold
-Note:
-\series default
- Vous devez redémarrer LyX pour que les modifications du fichier d'interface
- utilisateur soient prises en compte.
-\end_layout
-
-\end_inset
-
-
 \end_layout
 
 \begin_layout Standard
@@ -45415,6 +45397,25 @@ Item "Enregistrer Signet 6" "bookmark-save 6"
  signet.
 \end_layout
 
+\begin_layout Subsubsection
+Jeu d'icônes
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+Here you can change the appearance of LyX's toolbar buttons.
+ The currently available icon sets are compared in 
+\begin_inset CommandInset href
+LatexCommand href
+name "this image"
+target "http://wiki.lyx.org/uploads/LyX/NewInLyX20/themes.png"
+
+\end_inset
+
+.
+\end_layout
+
 \begin_layout Subsubsection
 Aide automatique
 \end_layout
@@ -45440,15 +45441,7 @@ Session
 \begin_layout Standard
 Avec l'option 
 \family sans
-Autorise l'enregistrement
-\begin_inset space \thinspace{}
-\end_inset
-
-/
-\begin_inset space \thinspace{}
-\end_inset
-
-restauration de l'apparence et de la géométrie des fenêtres
+Restaurer l'apparence et de la géométrie des fenêtres
 \family default
 , LyX sera ouvert avec sa fenêtre principale à la position et avec l'arrangement
  qu'elle avait lors de la dernière utilisation.
@@ -45471,6 +45464,21 @@ Charger les fichiers ouverts lors de la dernière session
  LyX.
 \end_layout
 
+\begin_layout Standard
+
+\lang english
+The button
+\lang french
+ 
+\family sans
+Effacer toutes les informations sur la session
+\family default
+ 
+\lang english
+deletes all information from previous LyX sessions (cursor positions, names
+ of last used documents, etc.).
+\end_layout
+
 \begin_layout Subsubsection
 Documents
 \begin_inset CommandInset label
@@ -45492,16 +45500,49 @@ Sauvegarde ! Documents
 
 \end_layout
 
+\begin_layout Standard
+
+\family sans
+Faire une sauvegarde des documents originaux lors de l'enregistrement
+\family default
+\lang english
+ creates a backup copy of the file in the state when it was opened or when
+ it was saved the last time.
+ It is stored in the same folder as your document and has the file extension
+ 
+\begin_inset Quotes eld
+\end_inset
+
+
+\family sans
+.lyx~
+\family default
+
+\begin_inset Quotes erd
+\end_inset
+
+.
+\end_layout
+
 \begin_layout Standard
 Quand l'option 
 \family sans
-Sauvegarde automatique
+Sauvegarde automatique, toutes les
 \family default
  est activée, vous pouvez préciser le temps entre deux sauvegardes.
 \end_layout
 
 \begin_layout Standard
 
+\family sans
+Enregistrer les documents compressés implicitement
+\family default
+\lang english
+ saves the files always in a compressed format.
+\end_layout
+
+\begin_layout Standard
+
 \family sans
 Nombre maximum de fichiers récents
 \family default
@@ -45517,6 +45558,52 @@ récents
 .
 \end_layout
 
+\begin_layout Standard
+
+\lang english
+With the option
+\lang french
+ 
+\family sans
+Bouton unique pour fermer les onglets
+\family default
+ 
+\lang english
+there will only be one button (
+\family sans
+
+\begin_inset Graphics
+	filename ../../images/closetab.png
+	scale 75
+
+\end_inset
+
+
+\family default
+) at the right side of the tab bar to close tabs.
+ Otherwise every document tab has its own close button.
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+\begin_inset Note Greyedout
+status open
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+Note:
+\series default
+ For the last option you have to restart LyX before the chang takes effect.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
 \begin_layout Subsection
 Polices d'Écran
 \begin_inset Index idx
diff --git a/lib/doc/ja/UserGuide.lyx b/lib/doc/ja/UserGuide.lyx
index 0944bf3ff4..79c412e79d 100644
--- a/lib/doc/ja/UserGuide.lyx
+++ b/lib/doc/ja/UserGuide.lyx
@@ -50003,23 +50003,6 @@ status collapsed
 \end_inset
 
 
-\end_layout
-
-\begin_layout Standard
-\begin_inset Note Greyedout
-status open
-
-\begin_layout Plain Layout
-
-\series bold
-【註】
-\series default
-操作画面設定ファイルやキー設定ファイルを変更した場合には、有効にするためにLyXを再起動する必要があります。
-\end_layout
-
-\end_inset
-
-
 \end_layout
 
 \begin_layout Standard
@@ -50173,6 +50156,27 @@ bookmark-save 6
 を.incファイルの「Navigate（移動）」メニュー部分に書き加えると、しおりが6つになります。
 \end_layout
 
+\begin_layout Subsubsection
+
+\lang english
+Icon Set
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+Here you can change the appearance of LyX's toolbar buttons.
+ The currently available icon sets are compared in 
+\begin_inset CommandInset href
+LatexCommand href
+name "this image"
+target "http://wiki.lyx.org/uploads/LyX/NewInLyX20/themes.png"
+
+\end_inset
+
+.
+\end_layout
+
 \begin_layout Subsubsection
 自動ヘルプ
 \end_layout
@@ -50191,10 +50195,15 @@ bookmark-save 6
 
 \begin_layout Standard
 
+\lang english
+With the option 
 \family sans
-ウィンドウ座標の保存・復帰を許可
+Restore window layouts and geometries
 \family default
-オプションが有効になっていると、LyXのメインウィンドウは、最後のセッションで使用された位置とレイアウトで起動します。
+ LyX's main window will be opened with the size and layout that was used
+ in the last LyX session
+\lang japanese
+。
 \end_layout
 
 \begin_layout Standard
@@ -50213,6 +50222,17 @@ bookmark-save 6
 オプションは、最後のLyXセッションで開かれていたファイル全てを開きます。
 \end_layout
 
+\begin_layout Standard
+
+\lang english
+The button 
+\family sans
+Clear all session information
+\family default
+ deletes all information from previous LyX sessions (cursor positions, names
+ of last used documents, etc.).
+\end_layout
+
 \begin_layout Subsubsection
 文書
 \begin_inset CommandInset label
@@ -50235,7 +50255,46 @@ status collapsed
 \end_layout
 
 \begin_layout Standard
-文書バックアップオプションが有効にされているときは、バックアップ保存の間隔を指定することができます。
+
+\family sans
+\lang english
+Backup original documents when saving
+\family default
+ creates a backup copy of the file in the state when it was opened or when
+ it was saved the last time.
+ It is stored in the same folder as your document and has the file extension
+ 
+\begin_inset Quotes eld
+\end_inset
+
+
+\family sans
+.lyx~
+\family default
+
+\begin_inset Quotes erd
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+With the option 
+\family sans
+Backup documents, every
+\family default
+, you can specify the time between backup saves.
+\end_layout
+
+\begin_layout Standard
+
+\family sans
+\lang english
+Save documents compressed by default
+\family default
+ saves the files always in a compressed format.
 \end_layout
 
 \begin_layout Standard
@@ -50259,6 +50318,48 @@ status collapsed
 オプションが有効になっていないときには、すべてのファイルは、LyXの新しいインスタンスの中に開かれます。
 \end_layout
 
+\begin_layout Standard
+
+\lang english
+With the option 
+\family sans
+Single close-tab button
+\family default
+ there will only be one button (
+\family sans
+
+\begin_inset Graphics
+	filename ../../images/closetab.png
+	scale 75
+
+\end_inset
+
+
+\family default
+) at the right side of the tab bar to close tabs.
+ Otherwise every document tab has its own close button.
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+\begin_inset Note Greyedout
+status open
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+Note:
+\series default
+ For the last option you have to restart LyX before the change takes effect.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
 \begin_layout Subsection
 画面フォント
 \begin_inset Index idx
diff --git a/po/de.po b/po/de.po
index fa9836e667..330675b690 100644
--- a/po/de.po
+++ b/po/de.po
@@ -96,7 +96,7 @@ msgstr ""
 "Project-Id-Version: LyX 2.1\n"
 "Report-Msgid-Bugs-To: lyx-devel@lists.lyx.org\n"
 "POT-Creation-Date: 2011-09-27 17:15+0200\n"
-"PO-Revision-Date: 2011-10-12 06:08+0100\n"
+"PO-Revision-Date: 2011-10-14 04:30+0100\n"
 "Last-Translator: Uwe Stöhr <uwestoehr@web.de>\n"
 "Language-Team: German <lyx-docs@lists.lyx.org>\n"
 "Language: de\n"
@@ -4124,7 +4124,7 @@ msgstr "&Maximale Anzahl letzter Dateien:"
 
 #: src/frontends/qt4/ui/PrefUi.ui:255
 msgid "&Open documents in tabs"
-msgstr "Dokument in &Unterfenstern öffnen"
+msgstr "Dokument in &Registerkarten öffnen"
 
 #: src/frontends/qt4/ui/PrefUi.ui:262
 msgid ""
@@ -4145,7 +4145,7 @@ msgstr "Zeige den \"Schließen\"-Knopf nicht auf jedem Unterfenster an, sondern
 
 #: src/frontends/qt4/ui/PrefUi.ui:275
 msgid "&Single close-tab button"
-msgstr "&Globaler Knopf zum Schließen von Unterfenstern"
+msgstr "&Globaler Knopf zum Schließen von Registerkarten"
 
 #: src/frontends/qt4/ui/PrefsUi.ui:70
 #: src/frontends/qt4/GuiView.cpp:2571