\papercolumns 1
\papersides 2
\paperpagestyle default
-\tracking_changes false
+\tracking_changes true
\output_changes false
\html_math_output 0
\html_css_as_file 0
\html_be_strict true
+\author -712698321 "Jürgen Spitzmüller"
\end_header
\begin_body
\end_layout
\begin_layout Subsection
-Dashes and line breaks
+Dashes and Line Breaks
\begin_inset CommandInset label
LatexCommand label
name "subsec:Dashes-and-line-breaks"
\end_layout
\begin_layout Standard
-Whether line breaks around dashes are allowed depends on the use case and
- locale:
+Whether line breaks
+\change_deleted -712698321 1513438804
+around
+\change_inserted -712698321 1513438805
+at
+\change_unchanged
+ dashes are allowed depends on the use case and locale:
\end_layout
\begin_layout Itemize
\end_layout
\begin_layout Standard
+
+\change_deleted -712698321 1513437551
In \SpecialChar LyX
-, line breaks after en-dashes and em-dashes are only allowed (without
- manual intervention), if the option
+,
+\change_inserted -712698321 1513437622
+The dashes that are output by \SpecialChar LyX
+ to \SpecialChar LaTeX
+ by default generally allow for
+\change_unchanged
+line breaks after en-dashes and em-dashes
+\change_deleted -712698321 1513498469
+
+\change_inserted -712698321 1513437597
+.
+\change_deleted -712698321 1513438851
+are only allowed (without manual intervention), if the option
\family sans
Document\SpecialChar menuseparator
Settings\SpecialChar menuseparator
\end_inset
+\change_unchanged
+
\end_layout
\begin_layout Standard
\end_layout
\begin_layout Enumerate
+
+\change_deleted -712698321 1513437637
This results in optional line breaks after
\emph on
all
\emph default
en- and em-dashes.
- Unwanted line breaks must be prevented by wrapping in a makebox
+
+\change_unchanged
+Unwanted line breaks
+\change_deleted -712698321 1513437645
+must
+\change_inserted -712698321 1513437646
+can
+\change_unchanged
+ be prevented by wrapping in a makebox
\begin_inset Foot
status collapsed
\end_deeper
\begin_layout Enumerate
+
+\change_deleted -712698321 1513437701
The setting is ignored for documents using non-\SpecialChar TeX
fonts.
\begin_inset Foot
\end_inset
+\change_unchanged
+
\end_layout
\begin_layout Enumerate
+
+\change_deleted -712698321 1513437705
Em dashes in
\family typewriter
typewriter
---
\family default
in the output.
+\change_unchanged
+
\end_layout
\begin_layout Enumerate
-Hyphenation is suppressed in words adjacent to hyphens and ligature dashes.
+
+\change_inserted -712698321 1513437950
+The default dashes output to \SpecialChar LaTeX
+ disable
+\change_deleted -712698321 1513437951
+H
+\change_inserted -712698321 1513437954
+h
+\change_unchanged
+yphenation
+\change_deleted -712698321 1513437961
+is suppressed
+\change_unchanged
+in words adjacent to hyphens and ligature dashes.
\end_layout
\begin_layout Standard
-If the option
+If
+\change_inserted -712698321 1513498511
+you want to globally disable line breaks after dashes, you can select
+\change_unchanged
+the option
\family sans
Document\SpecialChar menuseparator
Settings\SpecialChar menuseparator
Fonts\SpecialChar menuseparator
+
+\change_inserted -712698321 1513498530
+Disallow line breaks after dashes
+\family default
+.
+ In this case optional line breaks after individual
+\family sans
+ dashes
+\change_deleted -712698321 1513438124
Output en- and em-dashes as ligatures
\family default
- has not been selected, you can insert optional line breaks via the menu
+ has not been selected, you
+\change_unchanged
+ can
+\change_inserted -712698321 1513438126
+be
+\change_deleted -712698321 1513438191
+insert
+\change_inserted -712698321 1513438193
+re-allowed
+\change_unchanged
+\change_deleted -712698321 1513438149
+optional line breaks
+\change_unchanged
+via the menu
\family sans
Insert\SpecialChar menuseparator
Formatting\SpecialChar menuseparator
\end_layout
\begin_layout Standard
+
+\change_inserted -712698321 1513440855
+Note: Up to \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.1, you could insert en-dashes and em-dashes as -- and ---, respectively;
+ they were automatically merged to proper (breakable) dashes in the output,
+ but kept as consecutive hyphen characters in the LyX document.
+ If you inserted literal dash characters, however, they were output to \SpecialChar LaTeX
+
+ as
+\emph on
+non-breakable
+\emph default
+ dashes (this was actually rather by accident than intentionally, but some
+ used these two forms of dashes deliberately).
+
+\change_unchanged
As of \SpecialChar LyX
\begin_inset space ~
\end_inset
-2.2, -- and --- are exported to LaTeX as -{}- and -{}-{}- to prevent ligation
+2.2,
+\change_inserted -712698321 1513439795
+things work differently: consecutive hyphens are merged to dashes immediately
+ in the input.
+\begin_inset Foot
+status collapsed
+
+\begin_layout Plain Layout
+
+\change_inserted -712698321 1513439552
+The behavior was changed since it led to different look in \SpecialChar LyX
+, text export,
+ HTML export and the PDF export.
+\end_layout
+
+\end_inset
+
+ If you copy consecutive hyphens, by contrast, they are output as consecutive
+ hyphen characters.
+ An unintended consequence of this change was that all dashes now were output
+ as non-breakable dashes.
+
+\change_deleted -712698321 1513438403
+-- and --- are exported to LaTeX as -{}- and -{}-{}- to prevent ligation
to dashes.
\begin_inset Foot
status collapsed
\end_inset
- Occurrences in older documents are converted to literal Unicode dashes.
- This led to different line breaks in some documents.
+
+\change_unchanged
+
+\change_inserted -712698321 1513439864
+Since furthermore, in order to maintain the output,
+\change_deleted -712698321 1513439597
+O
+\change_inserted -712698321 1513439745
+o
+\change_unchanged
+ccurrences
+\change_inserted -712698321 1513439745
+of consecutive hyphens
+\change_unchanged
+in
+\change_deleted -712698321 1513439612
+older
+\change_unchanged
+documents
+\change_inserted -712698321 1513439745
+ that were saved by
+\change_unchanged
+
+\change_inserted -712698321 1513439745
+\SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.1 or earlier versions,
+\change_deleted -712698321 1513439871
+a
+\change_inserted -712698321 1513439871
+we
+\change_unchanged
+re converted to literal
+\change_deleted -712698321 1513438458
+Unicode
+\change_inserted -712698321 1513439745
+en- and em-
+\change_unchanged
+dash
+\change_inserted -712698321 1513439745
+ charact
+\change_unchanged
+e
+\change_inserted -712698321 1513439745
+r
+\change_unchanged
+s
+\change_inserted -712698321 1513439884
+, respectively, these were output to \SpecialChar LaTeX
+ in \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.2 as
+\emph on
+non-breakable
+\emph default
+ dashes as well
+\change_unchanged
+.
+
+\change_inserted -712698321 1513439888
+An obvious drawback of all this was that
+\change_deleted -712698321 1513438506
+This
+\change_inserted -712698321 1513439745
+it
+\change_deleted -712698321 1513440124
+ led to
+\change_inserted -712698321 1513440127
+resulted in
+\change_unchanged
+ different line breaks in some documents.
\SpecialChar LyX
\begin_inset space ~
\end_inset
-2.3 provides the aforementioned option
+2.3
+\change_inserted -712698321 1513439906
+, by contrast and as outlined above, outputs
+\change_unchanged
+
+\change_inserted -712698321 1513441767
+
+\emph on
+breakable
+\emph default
+ dashes by default, so if you load a document saved previous to LyX 2.2,
+ you should get the identical output with LyX 2.3 for the dashes inserted
+ with -- and ---.
+ Furthermore, \SpecialChar LyX
+
+\begin_inset space ~
+\end_inset
+
+2.3
+\change_unchanged
+provides the aforementioned option
+\change_deleted -712698321 1513438447
+
\family sans
Output en- and em-dashes as ligatures
+\change_inserted -712698321 1513498544
+Disallow line breaks after dashes
+\change_unchanged
+
\family default
in the menu
\family sans
Fonts.
\family default
- It is on by default but unselected when opening documents edited with \SpecialChar LyX
+ It is o
+\change_deleted -712698321 1513438517
+n
+\change_inserted -712698321 1513441759
+ff
+\change_unchanged
+ by default but
+\change_deleted -712698321 1513438522
+un
+\change_unchanged
+selected when opening documents edited with \SpecialChar LyX
\begin_inset space ~
\end_inset
-2.2.
+2.2
+\change_inserted -712698321 1513441759
+ in order to maintain line breaking between \SpecialChar LyX
+ 2.2 and 2.3 (so these document
+ have non-breakable dashes)
+\change_unchanged
+.
\begin_inset Newline newline
\end_inset
\end_layout
\begin_layout Itemize
-If you used literal em- and en dashes in pre-\SpecialChar LyX
+If you used
+\change_inserted -712698321 1513440192
+only
+\change_unchanged
+literal em- and en dashes in pre-\SpecialChar LyX
\begin_inset space ~
\end_inset
-2.2 documents, you must manually unselect
+2.2 documents, you must manually
+\change_deleted -712698321 1513438688
+un
+\change_unchanged
+select
+\change_deleted -712698321 1513438687
+
\family sans
Output en- and em-dashes as ligatures
+\change_inserted -712698321 1513498551
+Disallow line breaks after dashes
+\change_unchanged
+
\family default
to ensure unchanged behavior.
\end_layout
\begin_layout Itemize
-If you used both, literal and ligature dashes in pre-\SpecialChar LyX
+If you used both
+\change_deleted -712698321 1513441852
+,
+\change_unchanged
+ literal and
+\change_deleted -712698321 1513441864
+ligature
+\change_inserted -712698321 1513441867
+--/---
+\change_unchanged
+ dashes in pre-\SpecialChar LyX
\begin_inset space ~
\end_inset
2.2 documents, you may need to enable or prevent individual line breaks as
- shown above to restore the correct line breaking behaviour.
+ shown above to restore the correct line breaking behavio
+\change_deleted -712698321 1513441864
+u
+\change_unchanged
+r.
\end_layout
\begin_layout Itemize
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-target "http://www.lyx.org"
+target "https://www.lyx.org"
literal "false"
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LatexCommand href
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+target "https://www.lyx.org"
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projects / lyx.git / blobdiff