diff -uNr gtk-3.22.30/po-properties/Rules-quot gtk-3.22.30.mod/po-properties/Rules-quot
--- gtk-3.22.30/po-properties/Rules-quot	1970-01-01 03:00:00.000000000 +0300
+++ gtk-3.22.30.mod/po-properties/Rules-quot	2018-06-22 20:55:46.584626256 +0300
@@ -0,0 +1,58 @@
+# This file, Rules-quot, can be copied and used freely without restrictions.
+# Special Makefile rules for English message catalogs with quotation marks.
+
+DISTFILES.common.extra1 = quot.sed boldquot.sed en@quot.header en@boldquot.header insert-header.sin Rules-quot
+
+.SUFFIXES: .insert-header .po-update-en
+
+en@quot.po-create:
+	$(MAKE) en@quot.po-update
+en@boldquot.po-create:
+	$(MAKE) en@boldquot.po-update
+
+en@quot.po-update: en@quot.po-update-en
+en@boldquot.po-update: en@boldquot.po-update-en
+
+.insert-header.po-update-en:
+	@lang=`echo $@ | sed -e 's/\.po-update-en$$//'`; \
+	if test "$(PACKAGE)" = "gettext-tools" && test "$(CROSS_COMPILING)" != "yes"; then PATH=`pwd`/../src:$$PATH; GETTEXTLIBDIR=`cd $(top_srcdir)/src && pwd`; export GETTEXTLIBDIR; fi; \
+	tmpdir=`pwd`; \
+	echo "$$lang:"; \
+	ll=`echo $$lang | sed -e 's/@.*//'`; \
+	LC_ALL=C; export LC_ALL; \
+	cd $(srcdir); \
+	if $(MSGINIT) $(MSGINIT_OPTIONS) -i $(DOMAIN).pot --no-translator -l $$lang -o - 2>/dev/null \
+	   | $(SED) -f $$tmpdir/$$lang.insert-header | $(MSGCONV) -t UTF-8 | \
+	   { case `$(MSGFILTER) --version | sed 1q | sed -e 's,^[^0-9]*,,'` in \
+	     '' | 0.[0-9] | 0.[0-9].* | 0.1[0-8] | 0.1[0-8].*) \
+	       $(MSGFILTER) $(SED) -f `echo $$lang | sed -e 's/.*@//'`.sed \
+	       ;; \
+	     *) \
+	       $(MSGFILTER) `echo $$lang | sed -e 's/.*@//'` \
+	       ;; \
+	     esac } 2>/dev/null > $$tmpdir/$$lang.new.po \
+	     ; then \
+	  if cmp $$lang.po $$tmpdir/$$lang.new.po >/dev/null 2>&1; then \
+	    rm -f $$tmpdir/$$lang.new.po; \
+	  else \
+	    if mv -f $$tmpdir/$$lang.new.po $$lang.po; then \
+	      :; \
+	    else \
+	      echo "creation of $$lang.po failed: cannot move $$tmpdir/$$lang.new.po to $$lang.po" 1>&2; \
+	      exit 1; \
+	    fi; \
+	  fi; \
+	else \
+	  echo "creation of $$lang.po failed!" 1>&2; \
+	  rm -f $$tmpdir/$$lang.new.po; \
+	fi
+
+en@quot.insert-header: insert-header.sin
+	sed -e '/^#/d' -e 's/HEADER/en@quot.header/g' $(srcdir)/insert-header.sin > en@quot.insert-header
+
+en@boldquot.insert-header: insert-header.sin
+	sed -e '/^#/d' -e 's/HEADER/en@boldquot.header/g' $(srcdir)/insert-header.sin > en@boldquot.insert-header
+
+mostlyclean: mostlyclean-quot
+mostlyclean-quot:
+	rm -f *.insert-header