[LyX/master] Assure deleted display objects start on new line

[Juergen Spitzmueller]

commit 2fc0fdb3e4a8512410907bafecbd4849b9ccaad6
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Sun Dec 29 10:10:14 2019 +0100

    Assure deleted display objects start on new line
---
 src/LaTeXFeatures.cpp |   16 +++++++++++-----
 1 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/LaTeXFeatures.cpp b/src/LaTeXFeatures.cpp
index e80fcbf..9f65ed4 100644
--- a/src/LaTeXFeatures.cpp
+++ b/src/LaTeXFeatures.cpp
@@ -312,8 +312,12 @@ static docstring const changetracking_tikz_object_sout_def = from_ascii(
 static docstring const changetracking_xcolor_ulem_object_def = from_ascii(
 	"%% Change tracking with ulem and xcolor: ct markup for complex objects\n"
 	"\\DeclareRobustCommand{\\lyxobjdeleted}[4][]{\\lyxobjectsout{#4}}\n"
-	"\\DeclareRobustCommand{\\lyxdisplayobjdeleted}[4][]{\\lyxobjectsout{\\parbox{\\linewidth}{#4}}}\n"
+	"\\DeclareRobustCommand{\\lyxdisplayobjdeleted}[4][]{%\n"
+	"     \\leavevmode\\\\%\n"
+	"     \\lyxobjectsout{\\parbox{\\linewidth}{#4}}%\n"
+	"}\n"
 	"\\DeclareRobustCommand{\\lyxudisplayobjdeleted}[4][]{%\n"
+	"     \\leavevmode\\\\%\n"
 	"     \\raisebox{-\\belowdisplayshortskip}{%\n"
 	"                \\lyxobjectsout{\\parbox[b]{\\linewidth}{#4}}}%\n"
 	"}\n");
@@ -325,11 +329,13 @@ static docstring const changetracking_xcolor_ulem_cb_object_def = from_ascii(
 	"    \\protect\\cbend%\n"
 	"}\n"
 	"\\DeclareRobustCommand{\\lyxdisplayobjdeleted}[4][]{%\n"
+	"    \\leavevmode\\\\%\n"
 	"    \\protect\\cbstart%\n"
 	"    \\lyxobjectsout{\\parbox{\\linewidth}{#4}}%\n"
 	"    \\protect\\cbend%\n"
 	"}\n"
 	"\\DeclareRobustCommand{\\lyxudisplayobjdeleted}[4][]{%\n"
+	"    \\leavevmode\\\\%\n"
 	"    \\raisebox{-\\belowdisplayshortskip}{%\n"
 	"               \\protect\\cbstart%\n"
 	"               \\lyxobjectsout{\\parbox[b]{\\linewidth}{#4}}}%\n"
@@ -340,10 +346,10 @@ static docstring const changetracking_xcolor_ulem_hyperref_object_def = from_asc
 	"%% Change tracking with ulem, xcolor, and hyperref: ct markup for complex objects\n"
 	"\\DeclareRobustCommand{\\lyxobjdeleted}[4][]{\\texorpdfstring{\\lyxobjectsout{#4}}{}}\n"
 	"\\DeclareRobustCommand{\\lyxdisplayobjdeleted}[4][]{%\n"
-	"     \\texorpdfstring{\\lyxobjectsout{\\parbox{\\linewidth}{#4}}}{}%\n"
+	"     \\texorpdfstring{\\leavevmode\\\\\\lyxobjectsout{\\parbox{\\linewidth}{#4}}}{}%\n"
 	"}\n"
 	"\\DeclareRobustCommand{\\lyxudisplayobjdeleted}[4][]{%\n"
-	"     \\texorpdfstring{\\raisebox{-\\belowdisplayshortskip}{%\n"
+	"     \\texorpdfstring{\\leavevmode\\\\\\raisebox{-\\belowdisplayshortskip}{%\n"
 	"                \\lyxobjectsout{\\parbox[b]{\\linewidth}{#4}}}}{}%\n"
 	"}\n");
 
@@ -355,13 +361,13 @@ static docstring const changetracking_xcolor_ulem_hyperref_cb_object_def = from_
 	"    \\protect\\cbend}{}%\n"
 	"}\n"
 	"\\DeclareRobustCommand{\\lyxdisplayobjdeleted}[4][]{%\n"
-	"     \\texorpdfstring{\\protect\\cbstart%\n"
+	"     \\texorpdfstring{\\leavevmode\\\\\\protect\\cbstart%\n"
 	"        \\lyxobjectsout{\\parbox{\\linewidth}{#4}}%\n"
 	"        \\protect\\cbend%\n"
 	"      }{}%\n"
 	"}\n"
 	"\\DeclareRobustCommand{\\lyxudisplayobjdeleted}[4][]{%\n"
-	"     \\texorpdfstring{\\protect\\cbstart%\n"
+	"     \\texorpdfstring{\\leavevmode\\\\\\protect\\cbstart%\n"
 	"        \\raisebox{-\\belowdisplayshortskip}{%\n"
 	"                   \\lyxobjectsout{\\parbox[b]{\\linewidth}{#4}}%\n"
 	"        }%\n"