commit 4348166d8bc9c56461e2d0d56f533f311ff66274
Author: Uwe Stöhr <[email protected]>
Date:   Fri Sep 15 00:09:40 2017 +0200

    UserGuide.lyx: accept and distribute all recent changes (part 3/3)
---
 lib/doc/Changelog-UserGuide-LyX_23x.txt |    1 +
 lib/doc/UserGuide.lyx                   |  146 +++++++++----------------------
 lib/doc/de/UserGuide.lyx                |  133 ++++++++++++++---------------
 lib/doc/es/UserGuide.lyx                |  140 ++++++++++++++++++++++++++++--
 lib/doc/fr/UserGuide.lyx                |  138 ++++++++++++++++++++++++++++-
 lib/doc/ja/UserGuide.lyx                |  134 +++++++++++++++++++++++++++-
 6 files changed, 501 insertions(+), 191 deletions(-)

diff --git a/lib/doc/Changelog-UserGuide-LyX_23x.txt 
b/lib/doc/Changelog-UserGuide-LyX_23x.txt
index d1aecc2..fcc2137 100644
--- a/lib/doc/Changelog-UserGuide-LyX_23x.txt
+++ b/lib/doc/Changelog-UserGuide-LyX_23x.txt
@@ -10,6 +10,7 @@ first step (not G, not J):
 - sec. 6.1: new reference format and new options (not F)
 - sec. 6.5: section and its subsections completely rewritten
 - sec. 6.8: new feature "inverted branches" (not F)
+- sec. A.4.3 new menu
 - sec. B.12 new sentences (not F)
 - sec. C.1.2.3 new sentence (not F)
 
diff --git a/lib/doc/UserGuide.lyx b/lib/doc/UserGuide.lyx
index cabffd9..639ca6f 100644
--- a/lib/doc/UserGuide.lyx
+++ b/lib/doc/UserGuide.lyx
@@ -140,12 +140,11 @@ enumitem
 \papercolumns 1
 \papersides 2
 \paperpagestyle default
-\tracking_changes true
+\tracking_changes false
 \output_changes false
 \html_math_output 0
 \html_css_as_file 0
 \html_be_strict true
-\author -1402925745 "Günter Milde"
 \end_header
 
 \begin_body
@@ -16617,7 +16616,7 @@ nobreakdash
 \end_layout
 
 \begin_deeper
-\begin_layout Quote
+\begin_layout Itemize
 Pages
 \begin_inset space ~
 \end_inset
@@ -16650,8 +16649,7 @@ status open
 
 \end_layout
 
-\begin_deeper
-\begin_layout Standard
+\begin_layout Itemize
 
 \lang french
 Les incises 
@@ -16692,8 +16690,7 @@ même
 – sont très utiles.
 \end_layout
 
-\end_deeper
-\begin_layout Quote
+\begin_layout Itemize
 
 \lang spanish
 En una frase 
@@ -16773,32 +16770,20 @@ typewriter
 
 \begin_layout Enumerate
 Hyphenation is suppressed in words adjacent to hyphens and ligature dashes.
-\change_inserted -1402925745 1504003612
-
 \end_layout
 
 \begin_layout Standard
+In \SpecialChar LyX
 
-\change_inserted -1402925745 1504709020
-Changes:
-\end_layout
-
-\begin_layout Labeling
-\labelwidthstring 00.00.0000
-\SpecialChar LyX
+\begin_inset space ~
+\end_inset
 
-\change_inserted -1402925745 1504711065
+2.2 -- and --- were in \SpecialChar LyX
 
 \begin_inset space ~
 \end_inset
 
-2.2 -- and --- 
-\change_unchanged
-in LyX are o
-\change_inserted -1402925745 1504711065
-utput as -{}- and -{}-{}- to prevent ligation to dashes.
-\change_unchanged
-
+2.3 output as -{}- and -{}-{}- to prevent ligation to dashes.
 \begin_inset Foot
 status collapsed
 
@@ -16816,111 +16801,65 @@ Up to \SpecialChar LyX
 
 \end_inset
 
- Occurrences 
-\change_inserted -1402925745 1504711065
-in older documents are converted to literal Unicode dashe
-\change_unchanged
-s.
-\change_inserted -1402925745 1504711065
-
-\end_layout
-
-\begin_deeper
-\begin_layout Itemize
-
-\change_inserted -1402925745 1504709468
-In some cases this leads to different line breaks.
-\end_layout
-
-\begin_layout Itemize
-
-\change_inserted -1402925745 1504710005
-It is no longer possible to differentiate dashes with/without optional line
- break using --- and -- vs.
- literal dashes.
- Either convert one sort t
-\change_unchanged
-o \SpecialChar TeX
- code 
-\change_inserted -1402925745 1504710005
-or insert optional line break characters.
-\change_unchanged
-
-\end_layout
-
-\end_deeper
-\begin_layout Labeling
-\labelwidthstring 00.00.0000
-\SpecialChar LyX
-
-\change_inserted -1402925745 1504710385
+ Occurrences in older documents are converted to literal Unicode dashes.
+ This lead to problems like different line breaks.
+ Since \SpecialChar LyX
 
 \begin_inset space ~
 \end_inset
 
-2.3 New
-\change_unchanged
- option 
-\change_inserted -1402925745 1504710385
-
+2.3 there is the option 
+\family sans
+Output en- and em-dashes as ligatures
+\family default
+ in the menu 
 \family sans
 Document\SpecialChar menuseparator
 Settings\SpecialChar menuseparator
-Fonts\SpecialChar menuseparator
-Output en- and em-dashes as ligatures.
+Fonts.
 
 \family default
- It is on by default but unselected when opening documents edited with 
-\change_unchanged
-\SpecialChar LyX
+ It is on by default but unselected when opening documents edited with 
\SpecialChar LyX
 
 \begin_inset space ~
 \end_inset
 
-
-\change_inserted -1402925745 1504710385
 2.2.
- 
+\begin_inset Newline newline
+\end_inset
+
+Note the following side-effects of the \SpecialChar LyX
+ dash handling:
 \end_layout
 
-\begin_deeper
 \begin_layout Itemize
+If you used literal em- and en dashes in pre-\SpecialChar LyX
 
-\change_inserted -1402925745 1504712456
-If you used literal em- and en dashes in pre-2.2 documents, you must manually
- unselect it to ensure unchanged 
-\change_unchanged
-behavior
-\change_inserted -1402925745 1504712456
-.
+\begin_inset space ~
+\end_inset
+
+2.2 documents, you must manually unselect the option to ensure unchanged
+ behavior.
 \end_layout
 
 \begin_layout Itemize
+Zero-width space (ZWSP) characters in older \SpecialChar LyX
+ documents that follow literal
+ em- and en-dashes are removed during the conversion to the format of 
\SpecialChar LyX
 
-\change_inserted -1402925745 1504712456
-ZWSP characters (u200b) following literal em- and en-dashes are deleted
- by lyx2lyx when converting to 2.3 format.
+\begin_inset space ~
+\end_inset
+
+2.3.
  If you used them as optional line breaks after dashes, convert them to
- space insets before opening your document with 
-\change_unchanged
-\SpecialChar LyX
+ space insets before opening your document with \SpecialChar LyX
 
 \begin_inset space ~
 \end_inset
 
-
-\change_inserted -1402925745 1504712456
 2.3 or the optional line breaks will be lost!
 \end_layout
 
-\begin_layout Itemize
-
-\change_inserted -1402925745 1504709574
-As with all settings, the default for new documents can be configured via
- templates.
-\end_layout
-
-\end_deeper
 \begin_layout Subsection
 Hyphenation
 \begin_inset Index idx
@@ -38747,13 +38686,9 @@ reference "subsec:Ligatures"
 \end_inset
 
 .
-\change_inserted -1402925745 1503938048
-
 \end_layout
 
 \begin_layout Description
-
-\change_inserted -1402925745 1503938353
 Optional
 \begin_inset space ~
 \end_inset
@@ -38762,7 +38697,8 @@ Line
 \begin_inset space ~
 \end_inset
 
-Break Inserts a line break point (ZWSP) that is invisible in the output.
+Break Inserts a line break point (zero-width space character) that is invisible
+ in the output.
  See section
 \begin_inset space ~
 \end_inset
@@ -38778,8 +38714,6 @@ noprefix "false"
 \end_inset
 
  for a usage example.
-\change_unchanged
-
 \end_layout
 
 \begin_layout Description
diff --git a/lib/doc/de/UserGuide.lyx b/lib/doc/de/UserGuide.lyx
index a6a0100..f6b5a9d 100644
--- a/lib/doc/de/UserGuide.lyx
+++ b/lib/doc/de/UserGuide.lyx
@@ -16864,7 +16864,7 @@ nobreakdash
 \end_layout
 
 \begin_deeper
-\begin_layout Quote
+\begin_layout Itemize
 Seiten
 \begin_inset space ~
 \end_inset
@@ -16897,8 +16897,7 @@ status open
 
 \end_layout
 
-\begin_deeper
-\begin_layout Standard
+\begin_layout Itemize
 
 \lang french
 Les incises 
@@ -16939,8 +16938,7 @@ même
 – sont très utiles.
 \end_layout
 
-\end_deeper
-\begin_layout Quote
+\begin_layout Itemize
 
 \lang spanish
 En una frase 
@@ -16979,7 +16977,7 @@ Diese Einstellung wird ignoriert in Dokumenten, die 
keine \SpecialChar TeX
 \end_layout
 
 \begin_deeper
-\begin_layout Enumerate
+\begin_layout Standard
 Xe\SpecialChar TeX
  bietet die Einstellung 
 \series bold
@@ -17024,19 +17022,13 @@ Zeilentrennung wird bei Wörtern verhindert, die neben 
Bindestrichen und
 \end_layout
 
 \begin_layout Standard
-Änderungen:
-\end_layout
-
-\begin_layout Labeling
-\labelwidthstring 00.00.0000
-\SpecialChar LyX
+-- und --- wurden in \SpecialChar LyX
 
 \begin_inset space ~
 \end_inset
 
-2.2 -- und --- in \SpecialChar LyX
- werden als -{}- und -{}-{}- ausgegeben um die Ligatur
- zu einem Bindestrich zu verhindern.
+2.2 als -{}- und -{}-{}- ausgegeben um die Ligatur zu einem Bindestrich zu
+ verhindern.
 \begin_inset Foot
 status collapsed
 
@@ -17055,87 +17047,69 @@ Bis zu \SpecialChar LyX
 \end_inset
 
  Striche in älteren Dokumenten werden zu normalen Unicode-Strichen konvertiert.
-\end_layout
-
-\begin_deeper
-\begin_layout Itemize
-
-\lang english
-In some cases this leads to different line breaks.
-\end_layout
-
-\begin_layout Itemize
-
-\lang english
-It is no longer possible to differentiate dashes with/without optional line
- break using --- and -- vs.
- literal dashes.
- Either convert one sort to 
-\lang ngerman
-\SpecialChar TeX
--Code
-\lang english
- or insert optional line break characters.
-\end_layout
-
-\end_deeper
-\begin_layout Labeling
-\labelwidthstring 00.00.0000
-\SpecialChar LyX
+ Dies führte zu Problemen, wie verschiedenen Zeilenumbrüche.
+ Seit \SpecialChar LyX
 
 \begin_inset space ~
 \end_inset
 
-2.3 Neue Option 
+2.3 gibt es die Option 
+\family sans
+Halbgeviert und Geviertstriche als Ligaturen ausgeben
+\family default
+ im Menü 
 \family sans
 Dokument\SpecialChar menuseparator
 Einstellungen\SpecialChar menuseparator
-Schriften\SpecialChar menuseparator
-Halbgeviert und Geviertstriche als Ligaturen
- ausgeben.
-
+Schriften
 \family default
- 
-\lang english
-It is on by default but unselected when opening documents edited with 
\SpecialChar LyX
+.
+ Sie ist per Voreinstellung aktiviert, wird aber deaktiviert, wenn Dokumente
+ geöffnet werden, die mit \SpecialChar LyX
 
 \begin_inset space ~
 \end_inset
 
-2.2.
- 
+2.2 erstellt wurden.
+\begin_inset Newline newline
+\end_inset
+
+Beachten Sie die folgenden Effekte von \SpecialChar LyX
+'s Strich-Handhabung:
 \end_layout
 
-\begin_deeper
 \begin_layout Itemize
+Falls Sie gewöhnliche Binde- und Gedankenstriche in Dokumenten älter als
+ \SpecialChar LyX
 
-\lang english
-If you used literal em- and en dashes in pre-2.2 documents, you must manually
- unselect it to ensure unchanged behaviour.
+\begin_inset space ~
+\end_inset
+
+2.2 haben, müssen Sie die Option manuell ausschalten um sicherzustellen,
+ dass diese Striche nicht verändert werden.
 \end_layout
 
 \begin_layout Itemize
-
-\lang english
-ZWSP characters (u200b) following literal em- and en-dashes are deleted
- by lyx2lyx when converting to 2.3 format.
- If you used them as optional line breaks after dashes, convert them to
- space insets before opening your document with \SpecialChar LyX
+Breitenlose Leerzeichen, die in älteren \SpecialChar LyX
+-Dokumenten auf normale Binde- und
+ Gedankenstriche folgen, werden während der Konversion in das Format von
+ \SpecialChar LyX
 
 \begin_inset space ~
 \end_inset
 
-2.3 or the optional line breaks will be lost!
-\end_layout
+2.3 entfernt.
+ Wenn Sie diese als optionale Zeilenumbrüche nach Strichen verwendet haben,
+ sollten Sie diese in Leerzeichen konvertieren, bevor Sie ihr Dokument mit
+ \SpecialChar LyX
 
-\begin_layout Itemize
+\begin_inset space ~
+\end_inset
 
-\lang english
-As with all settings, the default for new documents can be configured via
- templates.
+2.3 öffnen.
+ Ansonsten werden die optionale Zeilenumbrüche verloren gehen!
 \end_layout
 
-\end_deeper
 \begin_layout Subsection
 Silbentrennung
 \begin_inset CommandInset label
@@ -37895,6 +37869,27 @@ reference "subsec:Ligaturen"
 \end_layout
 
 \begin_layout Description
+Optionaler
+\begin_inset space ~
+\end_inset
+
+Zeilenumbruch Fügt eine Trennmöglichkeit ein (breitenloses Leerzeichen),
+ die in der Ausgabe unsichtbar ist.
+ Siehe Abschnitt
+\begin_inset space ~
+\end_inset
+
+
+\begin_inset CommandInset ref
+LatexCommand ref
+reference "subsec:Bindestriche-und-Zeilenumbrüche"
+
+\end_inset
+
+ für ein ein Anwendungsbeispiel.
+\end_layout
+
+\begin_layout Description
 Normaler
 \begin_inset space ~
 \end_inset
diff --git a/lib/doc/es/UserGuide.lyx b/lib/doc/es/UserGuide.lyx
index 6c8e69f..8b7b61e 100644
--- a/lib/doc/es/UserGuide.lyx
+++ b/lib/doc/es/UserGuide.lyx
@@ -16978,7 +16978,7 @@ nobreakdash
 \end_layout
 
 \begin_deeper
-\begin_layout Quote
+\begin_layout Itemize
 
 \lang english
 Pages
@@ -17015,8 +17015,7 @@ status open
 
 \end_layout
 
-\begin_deeper
-\begin_layout Standard
+\begin_layout Itemize
 
 \lang french
 Les incises 
@@ -17057,8 +17056,7 @@ même
 – sont très utiles.
 \end_layout
 
-\end_deeper
-\begin_layout Quote
+\begin_layout Itemize
 En una frase 
 \begin_inset ERT
 status collapsed
@@ -17148,6 +17146,102 @@ typewriter
 Hyphenation is suppressed in words adjacent to hyphens and ligature dashes.
 \end_layout
 
+\begin_layout Standard
+
+\lang english
+In \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.2 -- and --- were in \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.3 output as -{}- and -{}-{}- to prevent ligation to dashes.
+\begin_inset Foot
+status collapsed
+
+\begin_layout Plain Layout
+
+\lang english
+Up to \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.1 -- and --- in \SpecialChar LyX
+ was output unchanged which led to different look in the
+ within \SpecialChar LyX
+, text export, HTML export and the PDF export.
+\end_layout
+
+\end_inset
+
+ Occurrences in older documents are converted to literal Unicode dashes.
+ This lead to problems like different line breaks.
+ Since \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.3 there is the option 
+\family sans
+Output en- and em-dashes as ligatures
+\family default
+ in the menu 
+\family sans
+Document\SpecialChar menuseparator
+Settings\SpecialChar menuseparator
+Fonts.
+
+\family default
+ It is on by default but unselected when opening documents edited with 
\SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.2.
+\begin_inset Newline newline
+\end_inset
+
+Note the following side-effects of the \SpecialChar LyX
+ dash handling:
+\end_layout
+
+\begin_layout Itemize
+
+\lang english
+If you used literal em- and en dashes in pre-\SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.2 documents, you must manually unselect the option to ensure unchanged
+ behavior.
+\end_layout
+
+\begin_layout Itemize
+
+\lang english
+Zero-width space (ZWSP) characters in older \SpecialChar LyX
+ documents that follow literal
+ em- and en-dashes are removed during the conversion to the format of 
\SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.3.
+ If you used them as optional line breaks after dashes, convert them to
+ space insets before opening your document with \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.3 or the optional line breaks will be lost!
+\end_layout
+
 \begin_layout Subsection
 División de palabras con guión
 \begin_inset Index idx
@@ -39138,6 +39232,40 @@ reference "subsec:Ligaduras"
 \end_layout
 
 \begin_layout Description
+
+\lang english
+Optional
+\begin_inset space ~
+\end_inset
+
+Line
+\begin_inset space ~
+\end_inset
+
+Break Inserts a line break point (zero-width space character) that is invisible
+ in the output
+\lang spanish
+.
+ Véase la sección
+\begin_inset space ~
+\end_inset
+
+
+\begin_inset CommandInset ref
+LatexCommand ref
+reference "subsec:Dashes-and-line-breaks"
+plural "false"
+caps "false"
+noprefix "false"
+
+\end_inset
+
+ 
+\lang english
+for a usage example.
+\end_layout
+
+\begin_layout Description
 Salto
 \begin_inset space ~
 \end_inset
@@ -39179,7 +39307,7 @@ línea
 
 justificada Fuerza un salto de línea de forma que la línea se expande hasta
  el margen, véase la sección
-\begin_inset space \thinspace{}
+\begin_inset space ~
 \end_inset
 
 
diff --git a/lib/doc/fr/UserGuide.lyx b/lib/doc/fr/UserGuide.lyx
index 085e4a1..a4945f9 100644
--- a/lib/doc/fr/UserGuide.lyx
+++ b/lib/doc/fr/UserGuide.lyx
@@ -17914,7 +17914,7 @@ nobreakdash
 \end_layout
 
 \begin_deeper
-\begin_layout Quote
+\begin_layout Itemize
 
 \lang english
 Pages
@@ -17951,8 +17951,7 @@ status open
 
 \end_layout
 
-\begin_deeper
-\begin_layout Standard
+\begin_layout Itemize
 Les incises 
 \begin_inset Box Frameless
 position "t"
@@ -17989,8 +17988,7 @@ même
 – sont très utiles.
 \end_layout
 
-\end_deeper
-\begin_layout Quote
+\begin_layout Itemize
 
 \lang spanish
 En una frase 
@@ -18082,6 +18080,102 @@ typewriter
 Hyphenation is suppressed in words adjacent to hyphens and ligature dashes.
 \end_layout
 
+\begin_layout Standard
+
+\lang english
+In \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.2 -- and --- were in \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.3 output as -{}- and -{}-{}- to prevent ligation to dashes.
+\begin_inset Foot
+status collapsed
+
+\begin_layout Plain Layout
+
+\lang english
+Up to \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.1 -- and --- in \SpecialChar LyX
+ was output unchanged which led to different look in the
+ within \SpecialChar LyX
+, text export, HTML export and the PDF export.
+\end_layout
+
+\end_inset
+
+ Occurrences in older documents are converted to literal Unicode dashes.
+ This lead to problems like different line breaks.
+ Since \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.3 there is the option 
+\family sans
+Output en- and em-dashes as ligatures
+\family default
+ in the menu 
+\family sans
+Document\SpecialChar menuseparator
+Settings\SpecialChar menuseparator
+Fonts.
+
+\family default
+ It is on by default but unselected when opening documents edited with 
\SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.2.
+\begin_inset Newline newline
+\end_inset
+
+Note the following side-effects of the \SpecialChar LyX
+ dash handling:
+\end_layout
+
+\begin_layout Itemize
+
+\lang english
+If you used literal em- and en dashes in pre-\SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.2 documents, you must manually unselect the option to ensure unchanged
+ behavior.
+\end_layout
+
+\begin_layout Itemize
+
+\lang english
+Zero-width space (ZWSP) characters in older \SpecialChar LyX
+ documents that follow literal
+ em- and en-dashes are removed during the conversion to the format of 
\SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.3.
+ If you used them as optional line breaks after dashes, convert them to
+ space insets before opening your document with \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.3 or the optional line breaks will be lost!
+\end_layout
+
 \begin_layout Subsection
 Césure
 \begin_inset Index idx
@@ -40499,6 +40593,40 @@ reference "subsec:Ligatures"
 \end_layout
 
 \begin_layout Description
+
+\lang english
+Optional
+\begin_inset space ~
+\end_inset
+
+Line
+\begin_inset space ~
+\end_inset
+
+Break Inserts a line break point (zero-width space character) that is invisible
+ in the output
+\lang french
+.
+ Voir section
+\begin_inset space ~
+\end_inset
+
+
+\begin_inset CommandInset ref
+LatexCommand ref
+reference "subsec:Dashes-and-line-breaks"
+plural "false"
+caps "false"
+noprefix "false"
+
+\end_inset
+
+ 
+\lang english
+for a usage example.
+\end_layout
+
+\begin_layout Description
 Passage
 \begin_inset space ~
 \end_inset
diff --git a/lib/doc/ja/UserGuide.lyx b/lib/doc/ja/UserGuide.lyx
index eb0d062..0181513 100644
--- a/lib/doc/ja/UserGuide.lyx
+++ b/lib/doc/ja/UserGuide.lyx
@@ -14219,7 +14219,7 @@ nobreakdash
 \end_layout
 
 \begin_deeper
-\begin_layout Quote
+\begin_layout Itemize
 
 \lang english
 Pages
@@ -14256,8 +14256,7 @@ status open
 
 \end_layout
 
-\begin_deeper
-\begin_layout Standard
+\begin_layout Itemize
 
 \lang french
 Les incises 
@@ -14298,8 +14297,7 @@ même
 – sont très utiles.
 \end_layout
 
-\end_deeper
-\begin_layout Quote
+\begin_layout Itemize
 
 \lang spanish
 En una frase 
@@ -14391,6 +14389,102 @@ typewriter
 Hyphenation is suppressed in words adjacent to hyphens and ligature dashes.
 \end_layout
 
+\begin_layout Standard
+
+\lang english
+In \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.2 -- and --- were in \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.3 output as -{}- and -{}-{}- to prevent ligation to dashes.
+\begin_inset Foot
+status collapsed
+
+\begin_layout Plain Layout
+
+\lang english
+Up to \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.1 -- and --- in \SpecialChar LyX
+ was output unchanged which led to different look in the
+ within \SpecialChar LyX
+, text export, HTML export and the PDF export.
+\end_layout
+
+\end_inset
+
+ Occurrences in older documents are converted to literal Unicode dashes.
+ This lead to problems like different line breaks.
+ Since \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.3 there is the option 
+\family sans
+Output en- and em-dashes as ligatures
+\family default
+ in the menu 
+\family sans
+Document\SpecialChar menuseparator
+Settings\SpecialChar menuseparator
+Fonts.
+
+\family default
+ It is on by default but unselected when opening documents edited with 
\SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.2.
+\begin_inset Newline newline
+\end_inset
+
+Note the following side-effects of the \SpecialChar LyX
+ dash handling:
+\end_layout
+
+\begin_layout Itemize
+
+\lang english
+If you used literal em- and en dashes in pre-\SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.2 documents, you must manually unselect the option to ensure unchanged
+ behavior.
+\end_layout
+
+\begin_layout Itemize
+
+\lang english
+Zero-width space (ZWSP) characters in older \SpecialChar LyX
+ documents that follow literal
+ em- and en-dashes are removed during the conversion to the format of 
\SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.3.
+ If you used them as optional line breaks after dashes, convert them to
+ space insets before opening your document with \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.3 or the optional line breaks will be lost!
+\end_layout
+
 \begin_layout Subsection
 ハイフネーション
 \begin_inset Index idx
@@ -32654,6 +32748,36 @@ reference "subsec:合字"
 \end_layout
 
 \begin_layout Description
+
+\lang english
+Optional
+\begin_inset space ~
+\end_inset
+
+Line
+\begin_inset space ~
+\end_inset
+
+Break Inserts a line break point (zero-width space character) that is invisible
+ in the output.
+ See
+\lang japanese
+第
+\begin_inset CommandInset ref
+LatexCommand ref
+reference "subsec:Dashes-and-line-breaks"
+plural "false"
+caps "false"
+noprefix "false"
+
+\end_inset
+
+
+\lang english
+for a usage example.
+\end_layout
+
+\begin_layout Description
 整形なし改行 第
 \begin_inset CommandInset ref
 LatexCommand ref

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