--- /dev/null
+diff --git a/Makefile.in b/Makefile.in
+index 5de799b..9851380 100644
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -39,10 +39,9 @@ export MAKEINFO:=@MAKEINFO@
+ export MSGFMT:=@MSGFMT@
+ export MSGGREP:=@MSGGREP@
+ export MSGMERGE:=@MSGMERGE@
+-export XML2PO:=@XML2PO@
++export ITSTOOL:=@ITSTOOL@
+ export XSLTPROC:=@XSLTPROC@
+ export STYLESHEET:=@STYLESHEET@
+-export HAVE_STYLESHEET:=@HAVE_STYLESHEET@
+ export PYTHON:=@PYTHON@
+ export PYTHON_VERSION:=@PYTHON_VERSION@
+ export PYTHON_PREFIX:=@PYTHON_PREFIX@
+@@ -288,7 +287,7 @@ help:
+ @echo "set skipmanual=yes Don't rebuild the music theory images"
+ @echo "make po-update Update po/solfege.pot and msgmerge with po/*.po"
+ @echo "make manual-po-update Update help/*/solfege.pot and msgmerge with help/*/*.po"
+- @echo "make update-manual Rebuild the manual, requiring xml2po etc."
++ @echo "make update-manual Rebuild the manual, requiring itstool etc."
+ @echo "make test-screenshots See which screenshots are missing in the user manual"
+ @echo "make help Display this message."
+ @echo "help/C/one-big-page.html Make documentation in on big html file."
+diff --git a/configure.ac b/configure.ac
+index 323eb27..7751792 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -92,23 +92,12 @@ MY_PATH_PROG(CAT, cat)
+
+ # FIXME we had to comment out this to run on win32
+ # PKG_CHECK_MODULES(XML2PO, xml2po >= 0.4)
+-AC_PATH_PROG(XML2PO, xml2po)
+-AC_SUBST(XML2PO)
++AC_PATH_PROG(ITSTOOL, itstool)
++AC_SUBST(ITSTOOL)
+
+ AC_PATH_PROG(XSLTPROC, xsltproc)
+ AC_SUBST(XSLTPROC)
+
+-AC_ARG_ENABLE(docbook-stylesheet,
+- AC_HELP_STRING([--enable-docbook-stylesheet=PATH],
+- [PATH is filename including full path to the html/chunk.xsl
+- stylesheet.]),
+- [STYLESHEET=$enableval],
+- [STYLESHEET=/usr/share/sgml/docbook/stylesheet/xsl/nwalsh/html/chunk.xsl])
+-
+-AC_CHECK_FILE($STYLESHEET, HAVE_STYLESHEET=yes, HAVE_STYLESHEET=no)
+-AC_SUBST(STYLESHEET)
+-AC_SUBST(HAVE_STYLESHEET)
+-
+ AC_CHECK_HEADER(sys/soundcard.h, HAVE_SOUNDCARD_H=yes, HAVE_SOUNDCARD_H=no)
+ AC_SUBST(HAVE_SOUNDCARD_H)
+
+@@ -178,9 +167,9 @@ AC_OUTPUT
+
+ AC_MSG_NOTICE
+ AC_MSG_NOTICE([Please remember to rerun configure if you change swig versions!])
+-if test -z "$XML2PO"; then
++if test -z "$ITSTOOL"; then
+ AC_MSG_NOTICE
+-AC_MSG_NOTICE([xml2po was not found. This is no big deal, but it mean that the])
++AC_MSG_NOTICE([itstool was not found. This is no big deal, but it mean that the])
+ AC_MSG_NOTICE([translated user manuals will not be updated if you make changes])
+ AC_MSG_NOTICE([to the english manual.])
+ fi
+diff --git a/help/C/Makefile b/help/C/Makefile
+index c14c3c8..f169682 100644
+--- a/help/C/Makefile
++++ b/help/C/Makefile
+@@ -38,13 +38,13 @@ dist_files += help/C/solfege.pot \
+ $(wildcard help/C/scales/images/modes/scales/*.png) \
+
+ help/C/solfege.pot: $(USER_MANUAL_SOURCES)
+-ifndef XML2PO
++ifndef ITSTOOL
+ @echo
+- @echo "You need to install xml2po to update help/C/solfege.pot"
++ @echo "You need to install itstool to update help/C/solfege.pot"
+ @echo
+ @exit 64
+ else
+- $(XML2PO) --keep-entities $(USER_MANUAL_SOURCES) | $(MSGGREP) -v -K -e "@@image:" -e "^Tom" -e "^Amundsen" -e "^tca@gnu.org" -e "^bug-solfege@gnu.org" -e "^solfege-devel@lists.sourceforge.net" -e "^solfege-announce@lists.sourceforge.net" -o help/C/solfege.pot
++ $(ITSTOOL) $(USER_MANUAL_SOURCES) | $(MSGGREP) -v -K -e "@@image:" -e "^Tom" -e "^Amundsen" -e "^tca@gnu.org" -e "^bug-solfege@gnu.org" -e "^solfege-devel@lists.sourceforge.net" -e "^solfege-announce@lists.sourceforge.net" -o help/C/solfege.pot
+ endif
+
+ help/C/index.html: $(USER_MANUAL_SOURCES) $(NOT_TRANSLATED_SOURCES)
+diff --git a/help/Makefile b/help/Makefile
+index f333161..a712266 100644
+--- a/help/Makefile
++++ b/help/Makefile
+@@ -13,6 +13,7 @@ XSLTPARAMS:= \
+ --param callout.graphics 0 \
+ --param xref.with.number.and.title 0 \
+ --xinclude \
++--nonet \
+ --stringparam html.stylesheet "../style.css"
+
+ dist_files += help/Makefile help/README \
+@@ -65,12 +66,11 @@ help/ru/solfege.xml: help/C/solfege.pot help/ru/ru.po $(USER_MANUAL_SOURCES)
+ help/tr/solfege.xml: help/C/solfege.pot help/tr/tr.po $(USER_MANUAL_SOURCES)
+
+ help/%/solfege.xml:
+-ifdef XML2PO
++ifdef ITSTOOL
+ ifneq "$(skipmanual)" "yes"
+- for filename in $(notdir $(USER_MANUAL_SOURCES)); do \
+- $(XML2PO) --keep-entities -p $(patsubst help/%/solfege.xml, help/%, $@)/$(patsubst help/%/solfege.xml,%,$@).po -o $(dir $@)/$$filename help/C/$$filename; \
+- done
+- rm -f .xml2po.mo
++ msgfmt $(patsubst help/%/solfege.xml, help/%, $@)/$(patsubst help/%/solfege.xml,%,$@).po -o $(patsubst help/%/solfege.xml, help/%, $@)/$(patsubst help/%/solfege.xml,%,$@).mo;
++ $(ITSTOOL) -m $(patsubst help/%/solfege.xml, help/%, $@)/$(patsubst help/%/solfege.xml,%,$@).mo -o help/$(patsubst help/%/solfege.xml,%,$@) $(USER_MANUAL_SOURCES);
++ rm -f $(patsubst help/%/solfege.xml, help/%, $@)/$(patsubst help/%/solfege.xml,%,$@).mo
+ endif
+ endif
+
+@@ -113,13 +113,12 @@ help/C/rhythmtable.xml: tools/gen_rhythms_table.py
+ $(PYTHON) tools/gen_rhythms_table.py
+
+ %/one-big-page.html: %/solfege.xml
+- (cd $(dir $<); $(XSLTPROC) $(I18NDEFS) --xinclude --stringparam html.stylesheet "../style.css" --stringparam root.filename "one-big-page" --param onechunk 1 $(subst chunk,onechunk,$(STYLESHEET)) $(notdir $<) )
++ (cd $(dir $<); $(XSLTPROC) $(I18NDEFS) --xinclude --stringparam html.stylesheet "../style.css" --stringparam root.filename "one-big-page" --param onechunk 1 "http://docbook.sourceforge.net/release/xsl/current/html/onechunk.xsl" $(notdir $<) )
+
+ %/index.html: %/solfege.xml
+ ifneq "$(skipmanual)" "yes"
+-ifeq "$(HAVE_STYLESHEET)" "yes"
+ ifneq "$(XSLTPROC)" ""
+- (cd $(dir $<); $(XSLTPROC) $(I18NDEFS) $(XSLTPARAMS) $(STYLESHEET) $(notdir $<))
++ (cd $(dir $<); $(XSLTPROC) $(I18NDEFS) $(XSLTPARAMS) "http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl" $(notdir $<))
+ else
+ ifneq "$(skipmanual)" "yes"
+ @echo "*** Cannot rebuild the user manual because you don't have xsltproc installed."
+@@ -127,25 +126,17 @@ ifeq "$(HAVE_STYLESHEET)" "yes"
+ exit 64
+ endif
+ endif
+-else
+- ifneq "$(skipmanual)" "yes"
+- @echo "*** Cannot rebuild html docs because we are missing the docbook stylesheet."
+- @echo "*** Try to install the missing software and reconfigure."
+- @echo "*** Run make as 'make skipmanual=yes' to ignore the problem and don't build the docs"
+- exit 64
+- endif
+-endif
+ endif
+ ifeq "$(skipmanual)" "yes"
+ @echo "*** Not building manual because nomanual=yes"
+ endif
+
+ .PHONY: update-manual
+-ifdef XML2PO
++ifdef ITSTOOL
+ update-manual: $(addsuffix /index.html,$(addprefix help/,C $(USER_MANUAL_LANGUAGES)))
+ else
+ update-manual:
+- @echo "You have to install xml2po to run 'make update-manual'"
++ @echo "You have to install itstool to run 'make update-manual'"
+ endif
+
+ %.png:%.ly
--- /dev/null
+From 176610fa27d8415d67c8f24974e83e7e851b889c Mon Sep 17 00:00:00 2001
+From: Andreas Sturmlechner <asturm@gentoo.org>
+Date: Sun, 22 Mar 2020 23:44:53 +0100
+Subject: [PATCH] Fix encoding
+
+---
+ topdocs/AUTHORS.texi | 2 +-
+ topdocs/README.texi | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/topdocs/AUTHORS.texi b/topdocs/AUTHORS.texi
+index dcef2fb..3bc9ba8 100644
+--- a/topdocs/AUTHORS.texi
++++ b/topdocs/AUTHORS.texi
+@@ -35,7 +35,7 @@ Small update to fr.po
+ Updated @file{es.po} file and added @file{es_MX.po}. Compiled binaries
+ for RedHat 8.0. Testing and bugreporting.
+
+-@item David Asorey Álvares and @email{die@@die.com.fr, Diego Duchowney}
++@item David Asorey Álvares and @email{die@@die.com.fr, Diego Duchowney}
+
+ Spannish translations.
+
+diff --git a/topdocs/README.texi b/topdocs/README.texi
+index fcedd28..b4aa798 100644
+--- a/topdocs/README.texi
++++ b/topdocs/README.texi
+@@ -166,7 +166,7 @@ You are welcome to ask questions on
+ @section History
+
+ The first versions of Solfege was written in the first quarter
+-of 1999 when I studied my 4th and last year at Malmö Academy of Music.
++of 1999 when I studied my 4th and last year at Malmö Academy of Music.
+ I was writing a "special subject" (what is the english term??) about
+ ear training and used GNU Lilypond and LaTeX to typeset the paper.
+
+--
+2.25.2
+
--- /dev/null
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{6,7,8} )
+PYTHON_REQ_USE="sqlite"
+inherit autotools python-single-r1
+
+DESCRIPTION="GNU program to help practicing ear training"
+HOMEPAGE="https://www.gnu.org/software/solfege/"
+SRC_URI="mirror://sourceforge/${PN}/${P}.tar.gz"
+
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~ppc ~x86"
+IUSE="alsa oss"
+
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+
+BDEPEND="${PYTHON_DEPS}
+ >=app-text/docbook-xsl-stylesheets-1.60
+ app-text/txt2man
+ dev-lang/swig
+ dev-libs/libxslt
+ dev-util/itstool
+ sys-apps/texinfo
+ sys-devel/gettext
+ virtual/pkgconfig
+"
+RDEPEND="${PYTHON_DEPS}
+ $(python_gen_cond_dep '
+ dev-python/pycairo[${PYTHON_MULTI_USEDEP}]
+ dev-python/pygobject:3[${PYTHON_MULTI_USEDEP}]
+ ')
+ x11-libs/gtk+:3
+ alsa? ( dev-python/pyalsa )
+ !oss? ( media-sound/timidity++ )
+"
+DEPEND="${RDEPEND}"
+
+RESTRICT="test"
+
+PATCHES=(
+ "${FILESDIR}/${P}-no-xmllint.patch"
+ "${FILESDIR}/${P}-fix-menubar.patch"
+ "${FILESDIR}/${P}-itstool.patch"
+ "${FILESDIR}/${P}-topdocs-encodings.patch"
+ "${FILESDIR}/${P}-fix-webbrowser-module.patch"
+)
+
+src_prepare() {
+ default
+
+ # fix encoding of the Hungarian translation, thanks to Arch Linux
+ iconv -f ISO-8859-2 -t UTF-8 po/hu.po -o po/hu.po.new || die
+ sed -i 's/charset=iso-8859-2/charset=utf-8/' po/hu.po.new || die
+ mv po/hu.po.new po/hu.po || die
+
+ sed -E 's|(PYTHON_INCLUDES=).+|\1"$(pkg-config --cflags-only-I python3)"|g' \
+ -i acinclude.m4 || die
+
+ eautoreconf
+}
+
+src_configure() {
+ econf $(use_enable oss oss-sound)
+}
+
+src_compile() {
+ emake skipmanual=yes
+}
+
+src_install() {
+ emake DESTDIR="${ED}" nopycompile=YES skipmanual=yes install
+ dodoc AUTHORS changelog FAQ README
+}