--- groff-1.19.1/src/devices/grotty/tty.cpp.vns	2004-04-18 19:38:43 +0400
+++ groff-1.19.1/src/devices/grotty/tty.cpp	2005-01-11 17:15:34 +0300
@@ -54,7 +54,7 @@
 static int italic_flag;
 static int reverse_flag_option = 0;
 static int reverse_flag;
-static int old_drawing_scheme = 0;
+static int old_drawing_scheme = 1;
 
 static void update_options();
 static void usage(FILE *stream);
@@ -800,6 +800,8 @@
   static char stderr_buf[BUFSIZ];
   if (getenv("GROFF_NO_SGR"))
     old_drawing_scheme = 1;
+  if (getenv("GROFF_YES_SGR"))
+    old_drawing_scheme = 0;
   setbuf(stderr, stderr_buf);
   int c;
   static const struct option long_options[] = {