diff -Nru texmaker-5.0.2/debian/changelog texmaker-5.0.2/debian/changelog
--- texmaker-5.0.2/debian/changelog	2018-01-11 12:18:54.000000000 +0000
+++ texmaker-5.0.2/debian/changelog	2018-05-03 18:37:14.000000000 +0000
@@ -1,3 +1,9 @@
+texmaker (5.0.2-1+rpi1) buster-staging; urgency=medium
+
+  * Add patch for synctex2.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Thu, 03 May 2018 18:37:14 +0000
+
 texmaker (5.0.2-1) unstable; urgency=medium
 
   * New upstream version
diff -Nru texmaker-5.0.2/debian/patches/series texmaker-5.0.2/debian/patches/series
--- texmaker-5.0.2/debian/patches/series	2018-01-11 12:18:54.000000000 +0000
+++ texmaker-5.0.2/debian/patches/series	2018-05-03 18:36:32.000000000 +0000
@@ -3,3 +3,4 @@
 30-fix-spelling-errors.patch
 use-system-synctex.patch
 50-Add-link-to-system-installed-synctex-lib.patch
+synctex2.patch
diff -Nru texmaker-5.0.2/debian/patches/synctex2.patch texmaker-5.0.2/debian/patches/synctex2.patch
--- texmaker-5.0.2/debian/patches/synctex2.patch	1970-01-01 00:00:00.000000000 +0000
+++ texmaker-5.0.2/debian/patches/synctex2.patch	2018-05-03 18:37:03.000000000 +0000
@@ -0,0 +1,121 @@
+Patch by Sebastian Ramacher taken from https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=896567
+Index: texmaker-5.0.2/pdfviewer.cpp
+===================================================================
+--- texmaker-5.0.2.orig/pdfviewer.cpp
++++ texmaker-5.0.2/pdfviewer.cpp
+@@ -539,7 +539,7 @@ if (scanner == NULL)
+   }
+ const QFileInfo sourceFileInfo(sourceFile);
+ QDir curDir(QFileInfo(pdf_file).canonicalPath());
+-synctex_node_t node = synctex_scanner_input(scanner);
++synctex_node_p node = synctex_scanner_input(scanner);
+ QString name;
+ bool found = false;
+ while (node != NULL) 
+@@ -558,11 +558,11 @@ if (!found)
+   gotoPage(currentPage);
+   return;
+   }
+-if (synctex_display_query(scanner, name.toUtf8().data(), source_line, 0) > 0) 
++if (synctex_display_query(scanner, name.toUtf8().data(), source_line, 0, -1) > 0) 
+   {
+   int page = -1;
+   path= QPainterPath();
+-  while ((node = synctex_next_result(scanner)) != NULL) 
++  while ((node = synctex_scanner_next_result(scanner)) != NULL) 
+     {
+     if (page == -1) page = synctex_node_page(node);
+     if (synctex_node_page(node) != page) continue;
+@@ -1018,8 +1018,8 @@ void PdfViewer::jumpToEditor(int page, c
+ if (scanner == NULL) return;
+ if (synctex_edit_query(scanner, page+1, pos.x(), pos.y()) > 0) 
+   {
+-  synctex_node_t node;
+-  while ((node = synctex_next_result(scanner)) != NULL) 
++  synctex_node_p node;
++  while ((node = synctex_scanner_next_result(scanner)) != NULL) 
+     {
+     QString filename = QString::fromUtf8(synctex_scanner_get_name(scanner, synctex_node_tag(node)));
+     QDir curDir(QFileInfo(pdf_file).canonicalPath());
+Index: texmaker-5.0.2/pdfviewer.h
+===================================================================
+--- texmaker-5.0.2.orig/pdfviewer.h
++++ texmaker-5.0.2/pdfviewer.h
+@@ -37,7 +37,7 @@
+ 
+ #include "qpdfdocument.h"
+ #include "documentview.h"
+-#include <synctex_parser.h>
++#include <synctex/synctex_parser.h>
+ 
+ 
+ 
+@@ -84,7 +84,7 @@ bool fileLoaded;
+ QPointer<QProcess> proc;
+ QString lastFile;
+ int lastPage, altern;
+-synctex_scanner_t scanner;
++synctex_scanner_p scanner;
+ QStringList scalePercents;
+ QLineEdit *zoomCustom;
+ int lastSearchPos;
+Index: texmaker-5.0.2/pdfviewerwidget.cpp
+===================================================================
+--- texmaker-5.0.2.orig/pdfviewerwidget.cpp
++++ texmaker-5.0.2/pdfviewerwidget.cpp
+@@ -502,7 +502,7 @@ if (scanner == NULL)
+   }
+ const QFileInfo sourceFileInfo(sourceFile);
+ QDir curDir(QFileInfo(pdf_file).canonicalPath());
+-synctex_node_t node = synctex_scanner_input(scanner);
++synctex_node_p node = synctex_scanner_input(scanner);
+ QString name;
+ bool found = false;
+ while (node != NULL) 
+@@ -522,11 +522,11 @@ if (!found)
+   return;
+   }
+ 
+-if (synctex_display_query(scanner, name.toUtf8().data(), source_line, 0) > 0) 
++if (synctex_display_query(scanner, name.toUtf8().data(), source_line, 0, -1) > 0) 
+   {
+   int page = -1;
+   path= QPainterPath();
+-  while ((node = synctex_next_result(scanner)) != NULL) 
++  while ((node = synctex_scanner_next_result(scanner)) != NULL) 
+     {
+     if (page == -1) page = synctex_node_page(node);
+     if (synctex_node_page(node) != page) continue;
+@@ -984,8 +984,8 @@ void PdfViewerWidget::jumpToEditor(int p
+ if (scanner == NULL) return;
+ if (synctex_edit_query(scanner, page+1, pos.x(), pos.y()) > 0) 
+   {
+-  synctex_node_t node;
+-  while ((node = synctex_next_result(scanner)) != NULL) 
++  synctex_node_p node;
++  while ((node = synctex_scanner_next_result(scanner)) != NULL) 
+     {
+     QString filename = QString::fromUtf8(synctex_scanner_get_name(scanner, synctex_node_tag(node)));
+     QDir curDir(QFileInfo(pdf_file).canonicalPath());
+Index: texmaker-5.0.2/pdfviewerwidget.h
+===================================================================
+--- texmaker-5.0.2.orig/pdfviewerwidget.h
++++ texmaker-5.0.2/pdfviewerwidget.h
+@@ -38,7 +38,7 @@
+ 
+ #include "qpdfdocument.h"
+ #include "documentview.h"
+-#include <synctex_parser.h>
++#include <synctex/synctex_parser.h>
+ #include "minisplitter.h"
+ 
+ 
+@@ -83,7 +83,7 @@ bool fileLoaded;
+ QPointer<QProcess> proc;
+ QString lastFile;
+ int lastPage, altern;
+-synctex_scanner_t scanner;
++synctex_scanner_p scanner;
+ QStringList scalePercents;
+ QLineEdit *zoomCustom;
+ int lastSearchPos;