--- ./texmf-dist/web2c/fmtutil.cnf.orig	2019-03-23 02:25:33.000000000 +0100
+++ ./texmf-dist/web2c/fmtutil.cnf	2019-11-16 23:15:23.708911302 +0100
@@ -39,7 +39,7 @@
 #
 # from aleph:
 aleph aleph - *aleph.ini
-lamed aleph language.dat *lambda.ini
+#! lamed aleph language.dat *lambda.ini
 #
 # from amstex:
 amstex pdftex - -translate-file=cp227.tcx *amstex.ini
@@ -64,11 +64,11 @@
 pdfcsplain luatex - -etex csplain.ini
 #
 # from eplain:
-eplain pdftex language.dat -translate-file=cp227.tcx *eplain.ini
+#! eplain pdftex language.dat -translate-file=cp227.tcx *eplain.ini
 #
 # from jadetex:
-jadetex pdftex language.dat *jadetex.ini
-pdfjadetex pdftex language.dat *pdfjadetex.ini
+#! jadetex pdftex language.dat *jadetex.ini
+#! pdfjadetex pdftex language.dat *pdfjadetex.ini
 #
 # from latex-bin:
 latex pdftex language.dat -translate-file=cp227.tcx *latex.ini
@@ -83,7 +83,7 @@
 # from luatex:
 luatex luatex language.def,language.dat.lua luatex.ini
 dviluatex luatex language.def,language.dat.lua dviluatex.ini
-luajittex luajittex language.def,language.dat.lua luatex.ini
+#! luajittex luajittex language.def,language.dat.lua luatex.ini
 #
 # from metafont:
 mf mf-nowin - -translate-file=cp227.tcx mf.ini
@@ -109,11 +109,11 @@
 pdfetex pdftex language.def -translate-file=cp227.tcx *pdfetex.ini
 #
 # from platex:
-platex eptex language.dat *platex.ini
+#! platex eptex language.dat *platex.ini
 #
 # from ptex:
 ptex ptex - ptex.ini
-eptex eptex language.def *eptex.ini
+#! eptex eptex language.def *eptex.ini
 #
 # from tex:
 tex tex - tex.ini
@@ -122,16 +122,16 @@
 texsis pdftex - -translate-file=cp227.tcx texsis.ini
 #
 # from uplatex:
-uplatex euptex language.dat *uplatex.ini
+#! uplatex euptex language.dat *uplatex.ini
 #
 # from uptex:
 uptex uptex - uptex.ini
-euptex euptex language.def *euptex.ini
+#! euptex euptex language.def *euptex.ini
 #
 # from xetex:
 xetex xetex language.def -etex xetex.ini
 xelatex xetex language.dat -etex xelatex.ini
 #
 # from xmltex:
-xmltex pdftex language.dat *xmltex.ini
-pdfxmltex pdftex language.dat *pdfxmltex.ini
+#! xmltex pdftex language.dat *xmltex.ini
+#! pdfxmltex pdftex language.dat *pdfxmltex.ini