diff -urxN dvidvi.orig/Makefile.am dvidvi/Makefile.am
--- dvidvi.orig/Makefile.am	Sat Nov 26 03:24:22 2016
+++ dvidvi/Makefile.am	Thu May 25 18:57:03 2017
@@ -3,7 +3,7 @@
 ## Copyright (C) 2009-2015 Peter Breitenlohner <tex-live@tug.org>
 ## You may freely use, modify and/or distribute this file.
 ##
-AM_CPPFLAGS = $(KPATHSEA_INCLUDES) -DKPATHSEA -DUNIX
+AM_CPPFLAGS = $(KPATHSEA_INCLUDES) -DKPATHSEA -DASCIIPTEX -DUNIX
 AM_CFLAGS = $(WARNING_CFLAGS)

 bin_PROGRAMS = dvidvi
diff -urxN dvidvi.orig/Makefile.in dvidvi/Makefile.in
--- dvidvi.orig/Makefile.in	Fri Feb 17 03:01:04 2017
+++ dvidvi/Makefile.in	Thu May 25 18:56:58 2017
@@ -540,7 +540,7 @@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-AM_CPPFLAGS = $(KPATHSEA_INCLUDES) -DKPATHSEA -DUNIX
+AM_CPPFLAGS = $(KPATHSEA_INCLUDES) -DKPATHSEA -DASCIIPTEX -DUNIX
 AM_CFLAGS = $(WARNING_CFLAGS)
 dvidvi_SOURCES = dvidvi.c
 dist_man1_MANS = dvidvi.1
diff -urxN dvidvi.orig/dvidvi.c dvidvi/dvidvi.c
--- dvidvi.orig/dvidvi.c	Sat Nov 26 03:24:22 2016
+++ dvidvi/dvidvi.c	Thu May 25 18:57:42 2017
@@ -165,6 +165,10 @@
 integer *pagenumbers ;
 int prettycolumn ;       /* the column we are at when running pretty */

+#ifdef ASCIIPTEX
+int ptexdvi ;            /* true if dvi file is extended (TATEKUMI) */
+#endif
+
 /*
  *   This array holds values that indicate the length of a command, if
  *   we aren't concerned with that command (which is most of them) or
@@ -873,6 +877,11 @@
       if (c == 2 && d == 0xdf /* dave fuchs */ &&
                             e == 0xdf)
          break ;
+#ifdef	ASCIIPTEX
+      if (c == 3 && d == 0xdf /* dave fuchs */ &&
+                            e == 0xdf)
+         break ;
+#endif
       fseek(infile,-4L,SEEK_CUR);
       }
    if (p < 10)
@@ -1024,6 +1033,11 @@
          putfontdef(i) ;
    outdvibyte(249) ;
    outdviquad(p) ;
+#ifdef ASCIIPTEX
+   if (ptexdvi)
+      outdvibyte(3) ;
+   else
+#endif
    outdvibyte(2) ;
    outdviquad(0xdfdfdfdfL) ;
    while (dviloc & 3)
@@ -1129,6 +1143,12 @@
                p += dvibyte() + 2 ;
                fseek(infile,p,SEEK_SET);
                break ;
+#ifdef ASCIIPTEX
+case 255:
+               ptexdvi = 1 ;
+               outdvibyte(len);
+               break ;
+#endif
 default:       fprintf(stderr, "Bad dvi command was %d at %ld\n", len, p) ;
                error("! lost sync dvi in file lost dvi sync file in") ;
             }
@@ -1159,6 +1179,10 @@
    integer actualpageno, lastpageno ;
    struct pagespec *ps ;
    Boolean beginp ;
+
+#ifdef ASCIIPTEX
+   ptexdvi = 0 ;
+#endif

    writepreamble() ;
    if ( !pagemodulo )