diff -aur ed-1.6.orig/main.c ed-1.6/main.c
--- ed-1.6.orig/main.c	2012-01-01 16:50:32.000000000 +0100
+++ ed-1.6/main.c	2012-03-15 16:37:58.281073096 +0100
@@ -70,6 +70,7 @@
           "  -p, --prompt=STRING        use STRING as an interactive prompt\n"
           "  -r, --restricted           run in restricted mode\n"
           "  -s, --quiet, --silent      suppress diagnostics\n"
+          "  -t, --troll                wat\n"
           "  -v, --verbose              be verbose\n"
           "Start edit by reading in `file' if given.\n"
           "If `file' begins with a `!', read output of shell command.\n"
@@ -147,6 +148,7 @@
     { 'r', "restricted",        ap_no  },
     { 's', "quiet",             ap_no  },
     { 's', "silent",            ap_no  },
+    { 't', "troll",             ap_no  },
     { 'v', "verbose",           ap_no  },
     { 'V', "version",           ap_no  },
     {  0 ,  0,                  ap_no } };
@@ -172,6 +174,7 @@
       case 'p': set_prompt( arg ); break;
       case 'r': restricted_ = true; break;
       case 's': scripted_ = true; break;
+      case 't': set_troll(); break;
       case 'v': set_verbose(); break;
       case 'V': show_version(); return 0;
       default : show_error( "internal error: uncaught option.", 0, false );
diff -aur ed-1.6.orig/main_loop.c ed-1.6/main_loop.c
--- ed-1.6.orig/main_loop.c	2012-01-01 16:50:32.000000000 +0100
+++ ed-1.6/main_loop.c	2012-03-15 16:38:14.414449001 +0100
@@ -34,6 +34,7 @@
 static int first_addr = 0, second_addr = 0;
 static bool prompt_on = false;		/* if set, show command prompt */
 static bool verbose = false;		/* if set, print all error messages */
+static bool troll = false;		/* if set, print wat instead of ? */
 
 
 void set_def_filename( const char * const s )
@@ -57,6 +58,7 @@
   }
 
 void set_verbose( void ) { verbose = true; }
+void set_troll( void ) { troll = true; }
 
 
 static const line_t * mark[26];			/* line markers */
@@ -699,7 +701,7 @@
   set_signals();
   status = setjmp( jmp_state );
   if( !status ) enable_interrupts();
-  else { status = -1; fputs( "\n?\n", stderr ); set_error_msg( "Interrupt" ); }
+  else { status = -1; fputs( troll ? "\nwat\n" : "\n?\n", stderr ); set_error_msg( "Interrupt" ); }
 
   while( true )
     {
@@ -712,7 +714,8 @@
     if( !len )
       {
       if( !modified() || scripted() ) return err_status;
-      fputs( "?\n", stderr ); set_error_msg( "Warning: buffer modified" );
+      fputs( troll ? "wat\n" : "?\n", stderr );
+      set_error_msg( "Warning: buffer modified" );
       if( is_regular_file( 0 ) )
         {
         if( verbose ) fprintf( stderr, "script, line %d: %s\n", linenum, errmsg );
@@ -728,7 +731,7 @@
     if( status == QUIT ) return err_status;
     if( status == EMOD )
       {
-      fputs( "?\n", stderr );				/* give warning */
+      fputs( troll ? "wat\n" : "?\n", stderr );		/* give warning */
       set_error_msg( "Warning: buffer modified" );
       if( is_regular_file( 0 ) )
         {
@@ -749,7 +752,7 @@
       }
     else
       {
-      fputs( "?\n", stderr );			/* give warning */
+      fputs( troll ? "wat\n" : "?\n", stderr ); 	/* give warning */
       if( is_regular_file( 0 ) )
         {
         if( verbose )