diff -Nru zemberek-ooo-1.0~rc2/debian/changelog zemberek-ooo-1.0~rc2/debian/changelog
--- zemberek-ooo-1.0~rc2/debian/changelog	2023-11-12 14:54:40.000000000 +0000
+++ zemberek-ooo-1.0~rc2/debian/changelog	2023-11-12 14:04:25.000000000 +0000
@@ -1,3 +1,10 @@
+zemberek-ooo (1.0~rc2-10.4ubuntu1) jammy; urgency=medium
+
+  * backport Debian patch to fix FTBFS. (LP: #1508290)
+    - Debian patch also bumps debhelper compat.
+
+ -- Sudip Mukherjee <sudipm.mukherjee@gmail.com>  Sun, 12 Nov 2023 14:04:25 +0000
+
 zemberek-ooo (1.0~rc2-10.4) unstable; urgency=low
 
   * Non-maintainer upload.
diff -Nru zemberek-ooo-1.0~rc2/debian/compat zemberek-ooo-1.0~rc2/debian/compat
--- zemberek-ooo-1.0~rc2/debian/compat	2023-11-12 14:54:40.000000000 +0000
+++ zemberek-ooo-1.0~rc2/debian/compat	2023-11-12 13:24:07.000000000 +0000
@@ -1 +1 @@
-5
+10
diff -Nru zemberek-ooo-1.0~rc2/debian/control zemberek-ooo-1.0~rc2/debian/control
--- zemberek-ooo-1.0~rc2/debian/control	2023-11-12 14:54:40.000000000 +0000
+++ zemberek-ooo-1.0~rc2/debian/control	2023-11-12 14:04:25.000000000 +0000
@@ -1,9 +1,10 @@
 Source: zemberek-ooo
 Section: text
 Priority: optional
-Maintainer: Rail Aliev <rail@i-rs.ru>
-Build-Depends: cdbs, debhelper (>= 5), libreoffice-dev, quilt, ant
-Build-Depends-Indep: default-jdk, libreoffice-java-common, libzemberek-java, libzemberek-tr-java, unzip
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Rail Aliev <rail@i-rs.ru>
+Build-Depends: cdbs, debhelper (>= 10), libreoffice-dev, quilt, ant
+Build-Depends-Indep: default-jdk, libreoffice-java-common, libzemberek-java, libzemberek-tr-java, unzip, ure-java
 Build-Conflicts: libreoffice-common (<< 1:3.5.0~)
 Standards-Version: 3.8.2
 Homepage: http://code.google.com/p/zemberek/
diff -Nru zemberek-ooo-1.0~rc2/debian/patches/build.xml.diff zemberek-ooo-1.0~rc2/debian/patches/build.xml.diff
--- zemberek-ooo-1.0~rc2/debian/patches/build.xml.diff	2023-11-12 14:54:40.000000000 +0000
+++ zemberek-ooo-1.0~rc2/debian/patches/build.xml.diff	2023-11-12 13:24:07.000000000 +0000
@@ -2,19 +2,35 @@
 # authour via email. Applied in trunk.
 # Upstream: http://code.google.com/p/zemberek/source/detail?r=414
 ===================================================================
+Index: zemberek-ooo-1.0~rc2/build.xml
+===================================================================
 --- zemberek-ooo-1.0~rc2.orig/build.xml
 +++ zemberek-ooo-1.0~rc2/build.xml
-@@ -45,11 +45,11 @@
+@@ -1,4 +1,4 @@
+-<?xml version="1.0" encoding="ISO-8859-1" ?>
++<?xml version="1.0" encoding="UTF-8" ?>
+ 
+ <project default="build-all">
+ 
+@@ -45,11 +45,7 @@
  	</path>
  	
  	<path id="ooo3.classpath">
 -		<fileset dir="${openoffice.root.dir}/ure/share/java">
-+		<fileset dir="${openoffice.root.dir}/ure-link/share/java">
- 			<include name="**/*.jar" />
- 			<include name="**/*.zip" />
- 		</fileset>
+-			<include name="**/*.jar" />
+-			<include name="**/*.zip" />
+-		</fileset>
 -		<fileset dir="${openoffice.root.dir}/basis3.0/program/classes">
 +		<fileset dir="${openoffice.root.dir}/program/classes">
  			<include name="**/*.jar" />
  			<include name="**/*.zip" />
  		</fileset>
+@@ -57,7 +53,7 @@
+ 
+ 	<target name="compile-java" depends="init" description="compile all java files">
+ 		<javac srcdir="${src.dir}" destdir="${build.classes.dir}" source="1.5" target="1.5"
+-      deprecation="${compile.deprecation}" debug="${compile.debug}" optimize="${compile.optimize}">
++      deprecation="${compile.deprecation}" debug="${compile.debug}" optimize="${compile.optimize}" encoding="utf-8">
+ 			<classpath>
+ 				<fileset dir="${lib.dir}">
+ 					<include name="**/*.jar" />
diff -Nru zemberek-ooo-1.0~rc2/debian/rules zemberek-ooo-1.0~rc2/debian/rules
--- zemberek-ooo-1.0~rc2/debian/rules	2023-11-12 14:54:40.000000000 +0000
+++ zemberek-ooo-1.0~rc2/debian/rules	2023-11-12 13:24:07.000000000 +0000
@@ -2,7 +2,6 @@
   
 include /usr/share/cdbs/1/class/ant.mk
 include /usr/share/cdbs/1/rules/debhelper.mk
-include /usr/share/cdbs/1/rules/patchsys-quilt.mk
 
 JAVA_HOME	:=	/usr/lib/jvm/default-java
 DEB_JARS	:= zemberek zemberek-tr
diff -Nru zemberek-ooo-1.0~rc2/debian/source/format zemberek-ooo-1.0~rc2/debian/source/format
--- zemberek-ooo-1.0~rc2/debian/source/format	1970-01-01 01:00:00.000000000 +0100
+++ zemberek-ooo-1.0~rc2/debian/source/format	2023-11-12 13:24:07.000000000 +0000
@@ -0,0 +1 @@
+3.0 (quilt)