Mark some intentional fall-throughs (in a way understandable to gcc)

This silences -Wimplicit-fallthrough warnings with gcc7.

lib/examples/fr/FeynmanDiagrams.lyx

@@ -1,5 +1,5 @@
 #LyX 2.3 created this file. For more info see http://www.lyx.org/
-\lyxformat 544
+\lyxformat 541
 \begin_document
 \begin_header
 \save_transient_properties true
@@ -101,7 +101,6 @@
 \suppress_date true
 \justification true
 \use_refstyle 0
-\use_minted 0
 \notefontcolor #0000ff
 \index Index
 \shortcut idx
@@ -112,9 +111,7 @@
 \paragraph_separation skip
 \defskip medskip
 \is_math_indent 0
-\math_numbering_side default
 \quotes_style swiss
-\dynamic_quotes 0
 \papercolumns 1
 \papersides 1
 \paperpagestyle default
@@ -829,37 +826,27 @@ status open
 \begin_layout Plain Layout
 
 \series bold
-Nota:
+\lang english
+Note:
 \series default
- si vous avez un index dans votre document et si vous utiliser un des modules
+ If you have an index list in your document and use one of the AMS theorem
- pour les théorèmes AMS, il vous faut ajouter l'option 
+ modules, you have to add the option 
 \series bold
 noglobalbang
 \series default
- dans le champ des options de classe des paramètres du document.
+ to the document class options in the document settings.
- Ceci autorise l'usage du caractère 
+ This enables the usage of the '!' character in index entries (necessary
-\begin_inset Quotes cld
+ for subentries) but might cause troubles with the align environments (which
+ are described in section 
+\begin_inset Quotes eld
 \end_inset
 
-!
+Align Environments
-\begin_inset Quotes crd
+\begin_inset Quotes erd
 \end_inset
 
- dans les entrées d'index (nécessaire pour saisir des sous-entrées) mais
+ of \SpecialChar LyX
- peut créer des problèmes de conflit dans les environnements 
+'s Math manual).
-\family sans
-align 
-\family default
-(décrits à la section 
-\begin_inset Quotes cld
-\end_inset
-
-Les environnements align
-\begin_inset Quotes crd
-\end_inset
-
- du manuel Math de \SpecialChar LyX
-'s).
 \end_layout
 
 \end_inset

lib/examples/fr/linguistics.lyx

@@ -1,5 +1,5 @@
 #LyX 2.3 created this file. For more info see http://www.lyx.org/
-\lyxformat 544
+\lyxformat 541
 \begin_document
 \begin_header
 \save_transient_properties true
@@ -90,7 +90,6 @@ linguistics
 \suppress_date false
 \justification true
 \use_refstyle 0
-\use_minted 0
 \index Index
 \shortcut idx
 \color #008000
@@ -100,9 +99,7 @@ linguistics
 \paragraph_separation indent
 \paragraph_indentation default
 \is_math_indent 0
-\math_numbering_side default
+\quotes_style swiss
-\quotes_style french
-\dynamic_quotes 0
 \papercolumns 1
 \papersides 1
 \paperpagestyle default
@@ -780,27 +777,23 @@ inline false
 status open
 
 \begin_layout Plain Layout
-
 % Éviter les sauts de page dans les gloses de deux lignes
 \end_layout
 
 \begin_layout Plain Layout
 
-
 \backslash
 AtBeginDocument{%
 \end_layout
 
 \begin_layout Plain Layout
 
-
 \backslash
 renewenvironment{linggloss}[2][]{%
 \end_layout
 
 \begin_layout Plain Layout
 
-
 \backslash
 def
 \backslash
@@ -811,7 +804,6 @@ glt #1}%
 
 \begin_layout Plain Layout
 
-
 \backslash
 begin{minipage}{.7
 \backslash
@@ -820,7 +812,6 @@ textwidth}
 
 \begin_layout Plain Layout
 
-
 \backslash
 gll #2}{
 \backslash
@@ -832,7 +823,6 @@ end{minipage}}
 \end_layout
 
 \begin_layout Plain Layout
-
 }
 \end_layout
 
@@ -852,27 +842,23 @@ inline false
 status open
 
 \begin_layout Plain Layout
-
 % Éviter les sauts de page dans les gloses de trois lignes
 \end_layout
 
 \begin_layout Plain Layout
 
-
 \backslash
 AtBeginDocument{%
 \end_layout
 
 \begin_layout Plain Layout
 
-
 \backslash
 renewenvironment{lingglosss}[2][]{%
 \end_layout
 
 \begin_layout Plain Layout
 
-
 \backslash
 def
 \backslash
@@ -883,7 +869,6 @@ glt #1}%
 
 \begin_layout Plain Layout
 
-
 \backslash
 begin{minipage}{.7
 \backslash
@@ -892,7 +877,6 @@ textwidth}
 
 \begin_layout Plain Layout
 
-
 \backslash
 glll #2}{
 \backslash
@@ -904,7 +888,6 @@ end{minipage}}
 \end_layout
 
 \begin_layout Plain Layout
-
 }
 \end_layout
 
@@ -994,17 +977,14 @@ inline false
 status open
 
 \begin_layout Plain Layout
-
 Fournit covington 1
 \end_layout
 
 \begin_layout Plain Layout
-
 AddToPreamble
 \end_layout
 
 \begin_layout Plain Layout
-
 		
 \backslash
 let
@@ -1015,7 +995,6 @@ relax
 \end_layout
 
 \begin_layout Plain Layout
-
 		
 \backslash
 let
@@ -1026,7 +1005,6 @@ relax
 \end_layout
 
 \begin_layout Plain Layout
-
 		
 \backslash
 let
@@ -1037,7 +1015,6 @@ relax
 \end_layout
 
 \begin_layout Plain Layout
-
 		
 \backslash
 let
@@ -1048,14 +1025,12 @@ relax
 \end_layout
 
 \begin_layout Plain Layout
-
 		
 \backslash
 usepackage{covington}
 \end_layout
 
 \begin_layout Plain Layout
-
 EndPreamble
 \end_layout
 
@@ -1476,14 +1451,12 @@ status open
 
 \begin_layout Plain Layout
 
-
 \backslash
 floatstyle{plaintop}
 \end_layout
 
 \begin_layout Plain Layout
 
-
 \backslash
 restylefloat{tableau}
 \end_layout
@@ -1506,14 +1479,12 @@ status open
 
 \begin_layout Plain Layout
 
-
 \backslash
 floatstyle{komaabove}
 \end_layout
 
 \begin_layout Plain Layout
 
-
 \backslash
 restylefloat{tableau}
 \end_layout
@@ -1637,7 +1608,6 @@ status open
 
 \begin_layout Plain Layout
 
-
 \backslash
 renewcommand
 \backslash
@@ -1979,9 +1949,14 @@ literal "true"
 status open
 
 \begin_layout Plain Layout
-Si vous utilisez les traitements usuels \SpecialChar LaTeX
+
- ou PDF\SpecialChar LaTeX
+\lang english
-, le paquetage 
+If you use traditional \SpecialChar LaTeX
+ or PDF\SpecialChar LaTeX
+, a prerequisite to use \SpecialChar LyX
+'s IPA support is
+ the \SpecialChar LaTeX
+ package 
 \emph on
 tipa
 \emph default
@@ -1993,64 +1968,64 @@ literal "true"
 
 \end_inset
 
- est un prérequis à l'utilisation des fonctionnalités IPA de LyX; ce paquetage
+, which is automatically loaded by \SpecialChar LyX
- est chargé automatiquement par \SpecialChar LyX
+ if you follow the procedure described
- si vous respectez la procédure ci-après.
+ below.
- Si vous utilisez Xe\SpecialChar TeX
+ If you use Xe\SpecialChar TeX
- ou Lua\SpecialChar TeX
+ or Lua\SpecialChar TeX
  (i.
 \begin_inset space \thinspace{}
 \end_inset
 
-e., si vous avez sélectionné 
+e., if you have clicked 
-\begin_inset Quotes cld
+\begin_inset Quotes eld
 \end_inset
 
-Utiliser des polices non-\SpecialChar TeX
+Use non-\SpecialChar TeX
-
+ fonts
-\begin_inset Quotes crd
+\begin_inset Quotes erd
 \end_inset
 
- via 
+ in 
 \family sans
 Document\SpecialChar menuseparator
-Paramètres\SpecialChar menuseparator
+Settings\SpecialChar menuseparator
-Polices
+Fonts
 \family default
-), le paquetage 
+), the package 
 \emph on
 xunicode
 \emph default
- est chargé à la place (du fait que 
+ is loaded instead (since 
 \emph on
 tipa
 \emph default
- ne fonctionne pas dans ce contexte).
+ does not work in this context).
- Le paquetage 
+ The 
 \emph on
 xunicode
 \emph default
- émule le résultat 
+ package emulates the 
 \emph on
 tipa
 \emph default
-, mais pas parfaitement, et certaines choses n'apparaîtront pas comme prévu.
+ output, but is not perfect at that, so some things might not look as expected.
- De plus, il faut prendre soin de sélectionner une police non-TeX qui inclue
+ Furthermore, you need to take care in this case to use a non-TeX font that
- les glyphes IPA (comme 
+ includes the IPA glyphs (such as 
 \emph on
 CMU Serif
 \emph default
- ou 
+ or 
 \emph on
 SIL Doulos
 \emph default
 ).
- Vous pouvez également spécifier une police supplémentaire uniquement pour
+ You can also specify an extra font only for IPA by adding the following
- IPA en ajoutant ceci à 
+ to 
 \family sans
 Document\SpecialChar menuseparator
-Paramètres\SpecialChar menuseparator
+Settings\SpecialChar menuseparator
-Préambule LaTeX
+LaTeX Preamble
 \family default
 :
 \end_layout
@@ -2101,12 +2076,14 @@ ipafont}
 \end_layout
 
 \begin_layout Plain Layout
-Enfin, et indépendamment de l'approche utilisée, il faut que le paquetage
+
- 
+\lang english
+Additionally, and independent from which of the above approaches you use,
+ if you want to have instant preview, you should have the 
 \emph on
 preview-latex
 \emph default
-
+ package 
 \begin_inset CommandInset citation
 LatexCommand cite
 key "preview"
@@ -2114,7 +2091,7 @@ literal "true"
 
 \end_inset
 
- soit installé pour avoir un aperçu sur le vif.
+ installed.
 \end_layout
 
 \end_inset
@@ -2192,6 +2169,7 @@ Notez que si vous souhaitez insérer des diacritiques, ils doivent être saisis
 \begin_inset IPA
 
 \begin_layout Standard
+
 [d̥]
 \end_layout
 

src/Buffer.cpp

@@ -4912,8 +4912,10 @@ void Buffer::Impl::setLabel(ParIterator & it, UpdateType utype) const
 		switch (par.itemdepth) {
 		case 2:
 			enumcounter += 'i';
+			// fall through
 		case 1:
 			enumcounter += 'i';
+			// fall through
 		case 0:
 			enumcounter += 'i';
 			break;

src/Paragraph.cpp

@@ -3871,13 +3871,13 @@ void Paragraph::locateWord(pos_type & from, pos_type & to,
 			to = from;
 			return;
 		}
-		// no break here, we go to the next
+		// fall through
 
 	case WHOLE_WORD:
 		// If we are already at the beginning of a word, do nothing
 		if (!from || isWordSeparator(from - 1))
 			break;
-		// no break here, we go to the next
+		// fall through
 
 	case PREVIOUS_WORD:
 		// always move the cursor to the beginning of previous word

src/frontends/qt4/GuiApplication.cpp

@@ -2070,9 +2070,8 @@ void GuiApplication::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 			if (current_view_ == 0)
 				createView();
 		}
-		// fall through
 	}
-
+	// fall through
 	default:
 		// The LFUN must be for one of GuiView, BufferView, Buffer or Cursor;
 		// let's try that:

src/frontends/qt4/GuiView.cpp

@@ -1989,7 +1989,8 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
 
 	case LFUN_DIALOG_TOGGLE:
 		flag.setOnOff(isDialogVisible(cmd.getArg(0)));
-		// fall through to set "enable"
+		// to set "enable"
+		// fall through
 	case LFUN_DIALOG_SHOW: {
 		string const name = cmd.getArg(0);
 		if (!doc_buffer)

src/insets/InsetCaption.cpp

@@ -209,6 +209,8 @@ void InsetCaption::doDispatch(Cursor & cur, FuncRequest & cmd)
 			break;
 		}
 	}
+	// no "changetype":
+	// fall through
 
 	default:
 		InsetText::doDispatch(cur, cmd);

src/insets/InsetFloat.cpp

@@ -209,6 +209,8 @@ bool InsetFloat::getStatus(Cursor & cur, FuncRequest const & cmd,
 			flag.setEnabled(false);
 			return true;
 		}
+		// no subfloat:
+		// fall through
 
 	default:
 		return InsetCaptionable::getStatus(cur, cmd, flag);

src/insets/InsetLabel.cpp

@@ -214,6 +214,8 @@ bool InsetLabel::getStatus(Cursor & cur, FuncRequest const & cmd,
 			enabled = false;
 			break;
 		}
+		// no "changetype":
+		// fall through
 	default:
 		return InsetCommand::getStatus(cur, cmd, status);
 	}

src/insets/InsetListings.cpp

@@ -441,6 +441,7 @@ bool InsetListings::getStatus(Cursor & cur, FuncRequest const & cmd,
 				return true;
 			}
 		}
+		// fall through
 		default:
 			return InsetCaptionable::getStatus(cur, cmd, status);
 	}

src/insets/InsetTabular.cpp

@@ -4676,12 +4676,14 @@ bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
 		// therefore allow always left but right and center only if there is no width
 		case Tabular::M_ALIGN_LEFT:
 			flag = false;
+			// fall through
 		case Tabular::ALIGN_LEFT:
 			status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_LEFT);
 			break;
 
 		case Tabular::M_ALIGN_RIGHT:
 			flag = false;
+			// fall through
 		case Tabular::ALIGN_RIGHT:
 			status.setEnabled(!(tabular.isMultiRow(cur.idx())
 				&& !tabular.getPWidth(cur.idx()).zero()));
@@ -4690,6 +4692,7 @@ bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
 
 		case Tabular::M_ALIGN_CENTER:
 			flag = false;
+			// fall through
 		case Tabular::ALIGN_CENTER:
 			status.setEnabled(!(tabular.isMultiRow(cur.idx())
 				&& !tabular.getPWidth(cur.idx()).zero()));
@@ -4710,6 +4713,7 @@ bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
 
 		case Tabular::M_VALIGN_TOP:
 			flag = false;
+			// fall through
 		case Tabular::VALIGN_TOP:
 			status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
 				&& !tabular.isMultiRow(cur.idx()));
@@ -4719,6 +4723,7 @@ bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
 
 		case Tabular::M_VALIGN_BOTTOM:
 			flag = false;
+			// fall through
 		case Tabular::VALIGN_BOTTOM:
 			status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
 				&& !tabular.isMultiRow(cur.idx()));
@@ -4728,6 +4733,7 @@ bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
 
 		case Tabular::M_VALIGN_MIDDLE:
 			flag = false;
+			// fall through
 		case Tabular::VALIGN_MIDDLE:
 			status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
 				&& !tabular.isMultiRow(cur.idx()));
@@ -5006,7 +5012,7 @@ bool InsetTabular::getStatus(Cursor & cur, FuncRequest const & cmd,
 			status.setEnabled(false);
 			return true;
 		}
-		// Fall back
+		// fall through
 	case LFUN_NEWLINE_INSERT: {
 		if (tabular.getPWidth(cur.idx()).zero()) {
 			status.setEnabled(false);
@@ -5660,6 +5666,7 @@ void InsetTabular::tabularFeatures(Cursor & cur,
 	case Tabular::M_VALIGN_BOTTOM:
 	case Tabular::M_VALIGN_MIDDLE:
 		flag = false;
+		// fall through
 	case Tabular::VALIGN_TOP:
 	case Tabular::VALIGN_BOTTOM:
 	case Tabular::VALIGN_MIDDLE:
@@ -5782,6 +5789,7 @@ void InsetTabular::tabularFeatures(Cursor & cur,
 
 	case Tabular::SET_ALL_LINES:
 		setLines = true;
+		// fall through
 	case Tabular::UNSET_ALL_LINES:
 		for (row_type r = sel_row_start; r <= sel_row_end; ++r)
 			for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
@@ -5906,6 +5914,7 @@ void InsetTabular::tabularFeatures(Cursor & cur,
 
 	case Tabular::UNSET_LTFIRSTHEAD:
 		flag = false;
+		// fall through
 	case Tabular::SET_LTFIRSTHEAD:
 		tabular.getRowOfLTFirstHead(row, ltt);
 		checkLongtableSpecial(ltt, value, flag);
@@ -5914,6 +5923,7 @@ void InsetTabular::tabularFeatures(Cursor & cur,
 
 	case Tabular::UNSET_LTHEAD:
 		flag = false;
+		// fall through
 	case Tabular::SET_LTHEAD:
 		tabular.getRowOfLTHead(row, ltt);
 		checkLongtableSpecial(ltt, value, flag);
@@ -5922,6 +5932,7 @@ void InsetTabular::tabularFeatures(Cursor & cur,
 
 	case Tabular::UNSET_LTFOOT:
 		flag = false;
+		// fall through
 	case Tabular::SET_LTFOOT:
 		tabular.getRowOfLTFoot(row, ltt);
 		checkLongtableSpecial(ltt, value, flag);
@@ -5930,6 +5941,7 @@ void InsetTabular::tabularFeatures(Cursor & cur,
 
 	case Tabular::UNSET_LTLASTFOOT:
 		flag = false;
+		// fall through
 	case Tabular::SET_LTLASTFOOT:
 		tabular.getRowOfLTLastFoot(row, ltt);
 		checkLongtableSpecial(ltt, value, flag);
@@ -5938,6 +5950,7 @@ void InsetTabular::tabularFeatures(Cursor & cur,
 
 	case Tabular::UNSET_LTNEWPAGE:
 		flag = false;
+		// fall through
 	case Tabular::SET_LTNEWPAGE:
 		tabular.setLTNewPage(row, flag);
 		break;

src/output_latex.cpp

@@ -1028,8 +1028,8 @@ void TeXOnePar(Buffer const & buf,
 			break;
 		}
 	}
-
+	// possible
-	// fall through possible
+	// fall through
 	default:
 		// we don't need it for the last paragraph!!!
 		if (nextpar)