diff --git a/ci/txcheck.sh b/ci/txcheck.sh
index a28caaee9..6c5d86c77 100644
--- a/ci/txcheck.sh
+++ b/ci/txcheck.sh
@@ -8,6 +8,13 @@
 #
 # Use --cleanup as an argument to clean things up.
 
+# The files that are translated; should match the contents of .tx/config
+TX_FILE_LIST="lang/calamares_en.ts lang/python.pot src/modules/dummypythonqt/lang/dummypythonqt.pot calamares.desktop"
+
+### COMMAND ARGUMENTS
+#
+# We need to define tx_cleanup for the --cleanup argument, although it's
+# normally used much later in the script.
 tx_cleanup()
 {
     # Cleanup artifacs of checking
@@ -22,6 +29,21 @@ if test "x$1" = "x--cleanup" ; then
 fi
 test -z "$1" || { echo "! Usage: txcheck.sh [--cleanup]" ; exit 1 ; }
 
+
+### FIND EXECUTABLES
+#
+#
+XMLLINT=""
+for _xmllint in xmllint
+do
+  $_xmllint --version > /dev/null 2>&1 && XMLLINT=$_xmllint
+  test -n "$XMLLINT" && break
+done
+
+
+### CHECK WORKING DIRECTORY
+#
+#
 if git describe translation > /dev/null 2>&1 ; then
 	:
 else
@@ -42,8 +64,6 @@ test "$DATE_PREV" -le "$DATE_HEAD" || { echo "! Translation tag has not aged eno
 
 # Tag is good, do real work of checking strings: collect names of relevant files
 test -f ".tx/config" || { echo "! No Transifex configuration is present." ; exit 1 ; }
-# Print part after = for each source_file line and delete all the rest
-TX_FILE_LIST=$( sed -e '/^source_file/s+.*=++p' -e d .tx/config )
 for f in $TX_FILE_LIST ; do
 	test -f $f || { echo "! Translation file '$f' does not exist." ; exit 1 ; }
 done
@@ -56,14 +76,24 @@ tx_sum()
 
 	git worktree add $WORKTREE_NAME $WORKTREE_TAG > /dev/null 2>&1 || { echo "! Could not create worktree." ; exit 1 ; }
 	( cd $WORKTREE_NAME && sh ci/txpush.sh --no-tx ) > /dev/null 2>&1 || { echo "! Could not re-create translations." ; exit 1 ; }
-	( cd $WORKTREE_NAME && sed -i'' -e '/<location filename/d' $TX_FILE_LIST )
+	# Clean up the TS (XML) files (like txpush would)
+	TS_FILE="$WORKTREE_NAME/lang/calamares_en.ts"
+	if test -n "$XMLLINT" ; then
+		$XMLLINT --format -o "$TS_FILE".new "$TS_FILE" && mv "$TS_FILE".new "$TS_FILE"
+	fi
+	sed -i'' -e '/<location filename/d' $TS_FILE
+
+	# Remove linenumbers from .pot
+	sed -i'' -e '/^#: src..*[0-9]$/d' $WORKTREE_NAME/lang/python.pot $WORKTREE_NAME/src/modules/dummypythonqt/lang/dummypythonqt.pot
+
 	_SUM=$( cd $WORKTREE_NAME && cat $TX_FILE_LIST | sha256sum )
 	echo "$_SUM"
 }
 
 # Check from the translation tag as well
-HEAD_SUM=`tx_sum build-txcheck-head ""`
-PREV_SUM=`tx_sum build-txcheck-prev translation`
+HEAD_SUM=`tx_sum build-txcheck-head ""` || { echo "$HEAD_SUM" ; exit 1 ; }
+PREV_SUM=`tx_sum build-txcheck-prev translation` || { echo "$HEAD_SUM" ; exit 1 ; }
+echp "$?"
 
 # An error message will have come from the shell function
 test -d build-txcheck-head || { echo "$HEAD_SUM" ; exit 1 ; }
@@ -80,6 +110,6 @@ else
 	exit 1
 fi
 
-tx_cleanup
+# tx_cleanup
 
 exit 0
diff --git a/ci/txpush.sh b/ci/txpush.sh
index 930b7ebc2..7d2c1ffaa 100755
--- a/ci/txpush.sh
+++ b/ci/txpush.sh
@@ -45,11 +45,10 @@ else
   }
 fi
 
-### CREATE TRANSLATIONS
-#
-# Use local tools (depending on type of source) to create translation
-# sources, then push to Transifex
 
+### FIND EXECUTABLES
+#
+#
 LUPDATE=""
 for _lupdate in lupdate lupdate-qt5
 do
@@ -58,19 +57,41 @@ do
   $_lupdate -version > /dev/null 2>&1 && LUPDATE=$_lupdate
   test -n "$LUPDATE" && break
 done
-
 test -n "$LUPDATE" || { echo "! No working lupdate" ; lupdate -version ; exit 1 ; }
 
+XMLLINT=""
+for _xmllint in xmllint
+do
+  $_xmllint --version > /dev/null 2>&1 && XMLLINT=$_xmllint
+  test -n "$XMLLINT" && break
+done
+# XMLLINT is optional
+
+
+### CREATE TRANSLATIONS
+#
+# Use local tools (depending on type of source) to create translation
+# sources, then push to Transifex
+
 # Don't pull branding translations in,
 # those are done separately.
 _srcdirs="src/calamares src/libcalamares src/libcalamaresui src/modules src/qml"
 $LUPDATE -no-obsolete $_srcdirs -ts lang/calamares_en.ts
-$LUPDATE -no-obsolete -extensions cxxtr src/libcalamares/locale -ts lang/tz_en.ts
+# Updating the TZ only needs to happen when the TZ themselves are updated,
+# very-very-rarely.
+# $LUPDATE -no-obsolete -extensions cxxtr src/libcalamares/locale -ts lang/tz_en.ts
+
+if test -n "$XMLLINT" ; then
+  for f in lang/calamares_en.ts
+  do
+    $XMLLINT --format -o "$f".new "$f" && mv "$f".new "$f"
+  done
+fi
 
 tx push --source --no-interactive -r calamares.calamares-master
-tx push --source --no-interactive -r calamares.tz
 tx push --source --no-interactive -r calamares.fdo
 
+
 ### PYTHON MODULES
 #
 # The Python tooling depends on the underlying distro to provide