diff --git a/ChangeLog b/ChangeLog
index 44f92e5..687f6f5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,6 @@
 # Version number followed by the release date
 
-1.3.1.0
+1.3.1.0 2022/10/8
   * Fix a layout assertion
   * Keep running when spell checking fails
   + Support libenchant-2
diff --git a/compile b/compile
new file mode 100755
index 0000000..df363c8
--- /dev/null
+++ b/compile
@@ -0,0 +1,348 @@
+#! /bin/sh
+# Wrapper for compilers which do not understand '-c -o'.
+
+scriptversion=2018-03-07.03; # UTC
+
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+# Written by Tom Tromey <tromey@cygnus.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+nl='
+'
+
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent tools from complaining about whitespace usage.
+IFS=" ""	$nl"
+
+file_conv=
+
+# func_file_conv build_file lazy
+# Convert a $build file to $host form and store it in $file
+# Currently only supports Windows hosts. If the determined conversion
+# type is listed in (the comma separated) LAZY, no conversion will
+# take place.
+func_file_conv ()
+{
+  file=$1
+  case $file in
+    / | /[!/]*) # absolute file, and not a UNC file
+      if test -z "$file_conv"; then
+	# lazily determine how to convert abs files
+	case `uname -s` in
+	  MINGW*)
+	    file_conv=mingw
+	    ;;
+	  CYGWIN* | MSYS*)
+	    file_conv=cygwin
+	    ;;
+	  *)
+	    file_conv=wine
+	    ;;
+	esac
+      fi
+      case $file_conv/,$2, in
+	*,$file_conv,*)
+	  ;;
+	mingw/*)
+	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
+	  ;;
+	cygwin/* | msys/*)
+	  file=`cygpath -m "$file" || echo "$file"`
+	  ;;
+	wine/*)
+	  file=`winepath -w "$file" || echo "$file"`
+	  ;;
+      esac
+      ;;
+  esac
+}
+
+# func_cl_dashL linkdir
+# Make cl look for libraries in LINKDIR
+func_cl_dashL ()
+{
+  func_file_conv "$1"
+  if test -z "$lib_path"; then
+    lib_path=$file
+  else
+    lib_path="$lib_path;$file"
+  fi
+  linker_opts="$linker_opts -LIBPATH:$file"
+}
+
+# func_cl_dashl library
+# Do a library search-path lookup for cl
+func_cl_dashl ()
+{
+  lib=$1
+  found=no
+  save_IFS=$IFS
+  IFS=';'
+  for dir in $lib_path $LIB
+  do
+    IFS=$save_IFS
+    if $shared && test -f "$dir/$lib.dll.lib"; then
+      found=yes
+      lib=$dir/$lib.dll.lib
+      break
+    fi
+    if test -f "$dir/$lib.lib"; then
+      found=yes
+      lib=$dir/$lib.lib
+      break
+    fi
+    if test -f "$dir/lib$lib.a"; then
+      found=yes
+      lib=$dir/lib$lib.a
+      break
+    fi
+  done
+  IFS=$save_IFS
+
+  if test "$found" != yes; then
+    lib=$lib.lib
+  fi
+}
+
+# func_cl_wrapper cl arg...
+# Adjust compile command to suit cl
+func_cl_wrapper ()
+{
+  # Assume a capable shell
+  lib_path=
+  shared=:
+  linker_opts=
+  for arg
+  do
+    if test -n "$eat"; then
+      eat=
+    else
+      case $1 in
+	-o)
+	  # configure might choose to run compile as 'compile cc -o foo foo.c'.
+	  eat=1
+	  case $2 in
+	    *.o | *.[oO][bB][jJ])
+	      func_file_conv "$2"
+	      set x "$@" -Fo"$file"
+	      shift
+	      ;;
+	    *)
+	      func_file_conv "$2"
+	      set x "$@" -Fe"$file"
+	      shift
+	      ;;
+	  esac
+	  ;;
+	-I)
+	  eat=1
+	  func_file_conv "$2" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-I*)
+	  func_file_conv "${1#-I}" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-l)
+	  eat=1
+	  func_cl_dashl "$2"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-l*)
+	  func_cl_dashl "${1#-l}"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-L)
+	  eat=1
+	  func_cl_dashL "$2"
+	  ;;
+	-L*)
+	  func_cl_dashL "${1#-L}"
+	  ;;
+	-static)
+	  shared=false
+	  ;;
+	-Wl,*)
+	  arg=${1#-Wl,}
+	  save_ifs="$IFS"; IFS=','
+	  for flag in $arg; do
+	    IFS="$save_ifs"
+	    linker_opts="$linker_opts $flag"
+	  done
+	  IFS="$save_ifs"
+	  ;;
+	-Xlinker)
+	  eat=1
+	  linker_opts="$linker_opts $2"
+	  ;;
+	-*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
+	  func_file_conv "$1"
+	  set x "$@" -Tp"$file"
+	  shift
+	  ;;
+	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
+	  func_file_conv "$1" mingw
+	  set x "$@" "$file"
+	  shift
+	  ;;
+	*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+      esac
+    fi
+    shift
+  done
+  if test -n "$linker_opts"; then
+    linker_opts="-link$linker_opts"
+  fi
+  exec "$@" $linker_opts
+  exit 1
+}
+
+eat=
+
+case $1 in
+  '')
+     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: compile [--help] [--version] PROGRAM [ARGS]
+
+Wrapper for compilers which do not understand '-c -o'.
+Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
+arguments, and rename the output as expected.
+
+If you are trying to build a whole package this is not the
+right script to run: please start by reading the file 'INSTALL'.
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "compile $scriptversion"
+    exit $?
+    ;;
+  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
+  icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
+    func_cl_wrapper "$@"      # Doesn't return...
+    ;;
+esac
+
+ofile=
+cfile=
+
+for arg
+do
+  if test -n "$eat"; then
+    eat=
+  else
+    case $1 in
+      -o)
+	# configure might choose to run compile as 'compile cc -o foo foo.c'.
+	# So we strip '-o arg' only if arg is an object.
+	eat=1
+	case $2 in
+	  *.o | *.obj)
+	    ofile=$2
+	    ;;
+	  *)
+	    set x "$@" -o "$2"
+	    shift
+	    ;;
+	esac
+	;;
+      *.c)
+	cfile=$1
+	set x "$@" "$1"
+	shift
+	;;
+      *)
+	set x "$@" "$1"
+	shift
+	;;
+    esac
+  fi
+  shift
+done
+
+if test -z "$ofile" || test -z "$cfile"; then
+  # If no '-o' option was seen then we might have been invoked from a
+  # pattern rule where we don't need one.  That is ok -- this is a
+  # normal compilation that the losing compiler can handle.  If no
+  # '.c' file was seen then we are probably linking.  That is also
+  # ok.
+  exec "$@"
+fi
+
+# Name of file we expect compiler to create.
+cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
+
+# Create the lock directory.
+# Note: use '[/\\:.-]' here to ensure that we don't use the same name
+# that we are using for the .o file.  Also, base the name on the expected
+# object file name, since that is what matters with a parallel build.
+lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
+while true; do
+  if mkdir "$lockdir" >/dev/null 2>&1; then
+    break
+  fi
+  sleep 1
+done
+# FIXME: race condition here if user kills between mkdir and trap.
+trap "rmdir '$lockdir'; exit 1" 1 2 15
+
+# Run the compile.
+"$@"
+ret=$?
+
+if test -f "$cofile"; then
+  test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
+elif test -f "${cofile}bj"; then
+  test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
+fi
+
+rmdir "$lockdir"
+exit $ret
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/debian/changelog b/debian/changelog
index 11f0ca1..b132788 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,13 @@
+xmlcopyeditor (1.3.1.0-1) unstable; urgency=low
+
+  * Fix a layout assertion
+  * Keep running when spell checking fails
+  + Support libenchant-2
+  * gdk_x11_get_server_time crashes when an invalid window is passed
+  * Migrate to PCRE2 (Miriam Ruiz)
+
+ -- Zane U. Ji <zaneuji@users.sf.net>  Fri, 8 Oct 2022 23:18:06 +0800
+
 xmlcopyeditor (1.3.0.0-1) unstable; urgency=low
 
   * Link against wxWidgets 3.0
diff --git a/debian/control b/debian/control
index d2d6752..4f5eceb 100644
--- a/debian/control
+++ b/debian/control
@@ -3,18 +3,22 @@ Section: editors
 Priority: optional
 Maintainer: Zane U. Ji <zaneuji@users.sf.net>
 Build-Depends: debhelper (>= 8.0.0), autotools-dev, cpio, file, gettext,
-  intltool, libatk1.0-dev, libboost-dev, libcairo2-dev, libcroco3,
-  libenchant-dev, libexpat1, libexpat1-dev, libfontconfig1-dev,
-  libfreetype6-dev, libgdk-pixbuf2.0-dev, libglib2.0-0, libglib2.0-dev,
-  libgtk-3-dev, libmagic1, libpango1.0-dev, libpcre3, libpcre3-dev,
-  libpixman-1-dev, libpopt0, libpthread-stubs0-dev, libwxgtk3.0-gtk3-dev,
-  libx11-dev, libxau-dev, libxcb-render0-dev, libxcb-shm0-dev, libxcb1-dev,
-  libxcomposite-dev, libxcursor-dev, libxdamage-dev, libxdmcp-dev,
-  libxerces-c-dev, libxext-dev, libxfixes-dev, libxi-dev, libxinerama-dev,
+  intltool, libatk-bridge2.0-dev, libatk1.0-dev, libatspi2.0-dev, libblkid-dev,
+  libboost1.74-dev, libbrotli-dev, libc6-i386, libcairo2-dev, libdatrie-dev,
+  libdbus-1-dev, libegl-dev, libenchant-2-dev, libepoxy-dev, libexpat1-dev,
+  libfakeroot, libffi-dev, libfontconfig-dev, libfreetype-dev, libfribidi-dev,
+  libgdk-pixbuf-2.0-dev, libgl-dev, libglib2.0-0, libglib2.0-dev,
+  libgraphite2-dev, libgtk-3-dev, libharfbuzz-dev, libicu70,
+  libjpeg-turbo8-dev, libmagic-mgc, libmagic1, libmount-dev, libpango1.0-dev,
+  libpcre2-dev, libpcre3-dev, libperl5.34, libpixman-1-dev, libpng-dev,
+  libselinux1-dev, libsepol-dev, libthai-dev, libtiff-dev, libunistring2,
+  libwayland-dev, libwxgtk3.0-gtk3-dev, libx11-dev, libxau-dev,
+  libxcb-render0-dev, libxcb-shm0-dev, libxcb1-dev, libxcomposite-dev,
+  libxcursor-dev, libxdamage-dev, libxdmcp-dev, libxerces-c-dev, libxext-dev,
+  libxfixes-dev, libxft-dev, libxi-dev, libxinerama-dev, libxkbcommon-dev,
   libxml-parser-perl, libxml2, libxml2-dev, libxrandr-dev, libxrender-dev,
-  libxslt1-dev, mawk, mime-support, perl-modules, pkg-config,
-  x11proto-composite-dev, x11proto-damage-dev, x11proto-kb-dev,
-  x11proto-randr-dev, x11proto-render-dev, x11proto-xinerama-dev
+  libxslt1-dev, libxtst-dev, mailcap, mawk, perl-modules, pkg-config,
+  shared-mime-info, uuid-dev, x11proto-dev, zlib1g-dev
 Standards-Version: 3.9.2
 Homepage: http://xml-copy-editor.sourceforge.net/
 Vcs-Git: git://git.code.sf.net/p/xml-copy-editor/code
diff --git a/m4/intltool.m4 b/m4/intltool.m4
new file mode 100644
index 0000000..c25b7b1
--- /dev/null
+++ b/m4/intltool.m4
@@ -0,0 +1,212 @@
+## intltool.m4 - Configure intltool for the target system. -*-Shell-script-*-
+## Copyright (C) 2001 Eazel, Inc.
+## Author: Maciej Stachowiak <mjs@noisehavoc.org>
+##         Kenneth Christiansen <kenneth@gnu.org>
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+##
+## As a special exception to the GNU General Public License, if you
+## distribute this file as part of a program that contains a
+## configuration script generated by Autoconf, you may include it under
+## the same distribution terms that you use for the rest of that program.
+
+dnl IT_PROG_INTLTOOL([MINIMUM-VERSION], [no-xml])
+# serial 42 IT_PROG_INTLTOOL
+AC_DEFUN([IT_PROG_INTLTOOL], [
+AC_PREREQ([2.50])dnl
+AC_REQUIRE([AM_NLS])dnl
+
+case "$am__api_version" in
+    1.[01234])
+	AC_MSG_ERROR([Automake 1.5 or newer is required to use intltool])
+    ;;
+    *)
+    ;;
+esac
+
+INTLTOOL_REQUIRED_VERSION_AS_INT=`echo $1 | awk -F. '{ print $ 1 * 1000 + $ 2 * 100 + $ 3; }'`
+INTLTOOL_APPLIED_VERSION=`intltool-update --version | head -1 | cut -d" " -f3`
+INTLTOOL_APPLIED_VERSION_AS_INT=`echo $INTLTOOL_APPLIED_VERSION | awk -F. '{ print $ 1 * 1000 + $ 2 * 100 + $ 3; }'`
+if test -n "$1"; then
+    AC_MSG_CHECKING([for intltool >= $1])
+    AC_MSG_RESULT([$INTLTOOL_APPLIED_VERSION found])
+    test "$INTLTOOL_APPLIED_VERSION_AS_INT" -ge "$INTLTOOL_REQUIRED_VERSION_AS_INT" ||
+	AC_MSG_ERROR([Your intltool is too old.  You need intltool $1 or later.])
+fi
+
+AC_PATH_PROG(INTLTOOL_UPDATE, [intltool-update])
+AC_PATH_PROG(INTLTOOL_MERGE, [intltool-merge])
+AC_PATH_PROG(INTLTOOL_EXTRACT, [intltool-extract])
+if test -z "$INTLTOOL_UPDATE" -o -z "$INTLTOOL_MERGE" -o -z "$INTLTOOL_EXTRACT"; then
+    AC_MSG_ERROR([The intltool scripts were not found. Please install intltool.])
+fi
+
+if test -z "$AM_DEFAULT_VERBOSITY"; then
+  AM_DEFAULT_VERBOSITY=1
+fi
+AC_SUBST([AM_DEFAULT_VERBOSITY])
+
+INTLTOOL_V_MERGE='$(INTLTOOL__v_MERGE_$(V))'
+INTLTOOL__v_MERGE_='$(INTLTOOL__v_MERGE_$(AM_DEFAULT_VERBOSITY))'
+INTLTOOL__v_MERGE_0='@echo "  ITMRG " [$]@;'
+AC_SUBST(INTLTOOL_V_MERGE)
+AC_SUBST(INTLTOOL__v_MERGE_)
+AC_SUBST(INTLTOOL__v_MERGE_0)
+
+INTLTOOL_V_MERGE_OPTIONS='$(intltool__v_merge_options_$(V))'
+intltool__v_merge_options_='$(intltool__v_merge_options_$(AM_DEFAULT_VERBOSITY))'
+intltool__v_merge_options_0='-q'
+AC_SUBST(INTLTOOL_V_MERGE_OPTIONS)
+AC_SUBST(intltool__v_merge_options_)
+AC_SUBST(intltool__v_merge_options_0)
+
+  INTLTOOL_DESKTOP_RULE='%.desktop:   %.desktop.in   $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -d -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+INTLTOOL_DIRECTORY_RULE='%.directory: %.directory.in $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -d -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+     INTLTOOL_KEYS_RULE='%.keys:      %.keys.in      $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -k -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+     INTLTOOL_PROP_RULE='%.prop:      %.prop.in      $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -d -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+      INTLTOOL_OAF_RULE='%.oaf:       %.oaf.in       $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -o -p $(top_srcdir)/po $< [$]@'
+     INTLTOOL_PONG_RULE='%.pong:      %.pong.in      $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -x -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+   INTLTOOL_SERVER_RULE='%.server:    %.server.in    $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -o -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+    INTLTOOL_SHEET_RULE='%.sheet:     %.sheet.in     $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -x -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+INTLTOOL_SOUNDLIST_RULE='%.soundlist: %.soundlist.in $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -d -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+       INTLTOOL_UI_RULE='%.ui:        %.ui.in        $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -x -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+      INTLTOOL_XML_RULE='%.xml:       %.xml.in       $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -x -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+if test "$INTLTOOL_APPLIED_VERSION_AS_INT" -ge 5000; then
+      INTLTOOL_XML_NOMERGE_RULE='%.xml:       %.xml.in       $(INTLTOOL_MERGE) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -x -u --no-translations $< [$]@'
+else
+      INTLTOOL_XML_NOMERGE_RULE='%.xml:       %.xml.in       $(INTLTOOL_MERGE) ; $(INTLTOOL_V_MERGE)_it_tmp_dir=tmp.intltool.[$][$]RANDOM && mkdir [$][$]_it_tmp_dir && LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -x -u [$][$]_it_tmp_dir $< [$]@ && rmdir [$][$]_it_tmp_dir'
+fi
+      INTLTOOL_XAM_RULE='%.xam:       %.xml.in       $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -x -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+      INTLTOOL_KBD_RULE='%.kbd:       %.kbd.in       $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -x -u -m -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+    INTLTOOL_CAVES_RULE='%.caves:     %.caves.in     $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -d -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+  INTLTOOL_SCHEMAS_RULE='%.schemas:   %.schemas.in   $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -s -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+    INTLTOOL_THEME_RULE='%.theme:     %.theme.in     $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -d -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@' 
+    INTLTOOL_SERVICE_RULE='%.service: %.service.in   $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -d -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@'
+   INTLTOOL_POLICY_RULE='%.policy:    %.policy.in    $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(INTLTOOL_V_MERGE)LC_ALL=C $(INTLTOOL_MERGE) $(INTLTOOL_V_MERGE_OPTIONS) -x -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@'
+
+_IT_SUBST(INTLTOOL_DESKTOP_RULE)
+_IT_SUBST(INTLTOOL_DIRECTORY_RULE)
+_IT_SUBST(INTLTOOL_KEYS_RULE)
+_IT_SUBST(INTLTOOL_PROP_RULE)
+_IT_SUBST(INTLTOOL_OAF_RULE)
+_IT_SUBST(INTLTOOL_PONG_RULE)
+_IT_SUBST(INTLTOOL_SERVER_RULE)
+_IT_SUBST(INTLTOOL_SHEET_RULE)
+_IT_SUBST(INTLTOOL_SOUNDLIST_RULE)
+_IT_SUBST(INTLTOOL_UI_RULE)
+_IT_SUBST(INTLTOOL_XAM_RULE)
+_IT_SUBST(INTLTOOL_KBD_RULE)
+_IT_SUBST(INTLTOOL_XML_RULE)
+_IT_SUBST(INTLTOOL_XML_NOMERGE_RULE)
+_IT_SUBST(INTLTOOL_CAVES_RULE)
+_IT_SUBST(INTLTOOL_SCHEMAS_RULE)
+_IT_SUBST(INTLTOOL_THEME_RULE)
+_IT_SUBST(INTLTOOL_SERVICE_RULE)
+_IT_SUBST(INTLTOOL_POLICY_RULE)
+
+# Check the gettext tools to make sure they are GNU
+AC_PATH_PROG(XGETTEXT, xgettext)
+AC_PATH_PROG(MSGMERGE, msgmerge)
+AC_PATH_PROG(MSGFMT, msgfmt)
+AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
+if test -z "$XGETTEXT" -o -z "$MSGMERGE" -o -z "$MSGFMT"; then
+    AC_MSG_ERROR([GNU gettext tools not found; required for intltool])
+fi
+xgversion="`$XGETTEXT --version|grep '(GNU ' 2> /dev/null`"
+mmversion="`$MSGMERGE --version|grep '(GNU ' 2> /dev/null`"
+mfversion="`$MSGFMT --version|grep '(GNU ' 2> /dev/null`"
+if test -z "$xgversion" -o -z "$mmversion" -o -z "$mfversion"; then
+    AC_MSG_ERROR([GNU gettext tools not found; required for intltool])
+fi
+
+AC_PATH_PROG(INTLTOOL_PERL, perl)
+if test -z "$INTLTOOL_PERL"; then
+   AC_MSG_ERROR([perl not found])
+fi
+AC_MSG_CHECKING([for perl >= 5.8.1])
+$INTLTOOL_PERL -e "use 5.8.1;" > /dev/null 2>&1
+if test $? -ne 0; then
+   AC_MSG_ERROR([perl 5.8.1 is required for intltool])
+else
+   IT_PERL_VERSION=`$INTLTOOL_PERL -e "printf '%vd', $^V"`
+   AC_MSG_RESULT([$IT_PERL_VERSION])
+fi
+if test "x$2" != "xno-xml"; then
+   AC_MSG_CHECKING([for XML::Parser])
+   if `$INTLTOOL_PERL -e "require XML::Parser" 2>/dev/null`; then
+       AC_MSG_RESULT([ok])
+   else
+       AC_MSG_ERROR([XML::Parser perl module is required for intltool])
+   fi
+fi
+
+# Substitute ALL_LINGUAS so we can use it in po/Makefile
+AC_SUBST(ALL_LINGUAS)
+
+IT_PO_SUBDIR([po])
+
+])
+
+
+# IT_PO_SUBDIR(DIRNAME)
+# ---------------------
+# All po subdirs have to be declared with this macro; the subdir "po" is
+# declared by IT_PROG_INTLTOOL.
+#
+AC_DEFUN([IT_PO_SUBDIR],
+[AC_PREREQ([2.53])dnl We use ac_top_srcdir inside AC_CONFIG_COMMANDS.
+dnl
+dnl The following CONFIG_COMMANDS should be executed at the very end
+dnl of config.status.
+AC_CONFIG_COMMANDS_PRE([
+  AC_CONFIG_COMMANDS([$1/stamp-it], [
+    if [ ! grep "^# INTLTOOL_MAKEFILE$" "$1/Makefile.in" > /dev/null ]; then
+       AC_MSG_ERROR([$1/Makefile.in.in was not created by intltoolize.])
+    fi
+    rm -f "$1/stamp-it" "$1/stamp-it.tmp" "$1/POTFILES" "$1/Makefile.tmp"
+    >"$1/stamp-it.tmp"
+    [sed '/^#/d
+	 s/^[[].*] *//
+	 /^[ 	]*$/d
+	'"s|^|	$ac_top_srcdir/|" \
+      "$srcdir/$1/POTFILES.in" | sed '$!s/$/ \\/' >"$1/POTFILES"
+    ]
+    [sed '/^POTFILES =/,/[^\\]$/ {
+		/^POTFILES =/!d
+		r $1/POTFILES
+	  }
+	 ' "$1/Makefile.in" >"$1/Makefile"]
+    rm -f "$1/Makefile.tmp"
+    mv "$1/stamp-it.tmp" "$1/stamp-it"
+  ])
+])dnl
+])
+
+# _IT_SUBST(VARIABLE)
+# -------------------
+# Abstract macro to do either _AM_SUBST_NOTMAKE or AC_SUBST
+#
+AC_DEFUN([_IT_SUBST],
+[
+AC_SUBST([$1])
+m4_ifdef([_AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE([$1])])
+]
+)
+
+# deprecated macros
+AU_ALIAS([AC_PROG_INTLTOOL], [IT_PROG_INTLTOOL])
+# A hint is needed for aclocal from Automake <= 1.9.4:
+# AC_DEFUN([AC_PROG_INTLTOOL], ...)
+
diff --git a/src/copying/xmlcopyeditor/copying.txt b/src/copying/xmlcopyeditor/copying.txt
index 8b67f7e..1bb3f96 100644
--- a/src/copying/xmlcopyeditor/copying.txt
+++ b/src/copying/xmlcopyeditor/copying.txt
@@ -1,6 +1,6 @@
 XML Copy Editor
 
-Copyright (c) 2005-2007 Gerald Schmidt
+Copyright (c) 2005-2022 Gerald Schmidt
 
 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
 
diff --git a/src/xmlcopyeditor.iss b/src/xmlcopyeditor.iss
index 6b93e2b..5985688 100644
--- a/src/xmlcopyeditor.iss
+++ b/src/xmlcopyeditor.iss
@@ -123,13 +123,14 @@ Source: "{#MinGW}\bin\libcurl-4.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\libexpat-1.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\libgcc_s_{#GccExceptionHandling}-1.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\libiconv-2.dll"; DestDir: "{app}"
-Source: "{#MinGW}\bin\libicudt67.dll"; DestDir: "{app}"
-Source: "{#MinGW}\bin\libicuuc67.dll"; DestDir: "{app}"
+Source: "{#MinGW}\bin\libicudt71.dll"; DestDir: "{app}"
+Source: "{#MinGW}\bin\libicuuc71.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\libidn2-0.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\libintl-8.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\liblzma-5.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\libnghttp2-14.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\libpcre2-8-0.dll"; DestDir: "{app}"
+Source: "{#MinGW}\bin\libpng16-16.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\libpsl-5.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\libssh2-1.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\libssl-1_1{#DllNameSuffix}.dll"; DestDir: "{app}"
@@ -139,8 +140,9 @@ Source: "{#MinGW}\bin\libwinpthread-1.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\libxerces-c-3-2.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\libxml2-2.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\libxslt-1.dll"; DestDir: "{app}"
+Source: "{#MinGW}\bin\libzstd.dll"; DestDir: "{app}"
 Source: "{#MinGW}\bin\zlib1.dll"; DestDir: "{app}"
-Source: "{#MinGW}\ssl\certs/ca-bundle.trust.crt"; DestDir: "{app}"; DestName: "curl-ca-bundle.crt"; Flags: ignoreversion
+Source: "{#MinGW}\ssl\certs\ca-bundle.trust.crt"; DestDir: "{app}"; DestName: "curl-ca-bundle.crt"; Flags: ignoreversion
 Source: ".\aspell\*"; DestDir: "{app}\aspell"; Flags: ignoreversion recursesubdirs createallsubdirs
 Source: ".\bin\*"; DestDir: "{app}\bin"; Flags: ignoreversion recursesubdirs createallsubdirs
 Source: ".\catalog\*"; DestDir: "{app}\catalog"; Flags: ignoreversion recursesubdirs createallsubdirs