--- PseudoTerminal.m	2003/10/30 06:16:36	1.1
+++ PseudoTerminal.m	2003/10/30 06:59:07
@@ -1281,14 +1281,32 @@
 	if (modflag & NSControlKeyMask &&
 	    send_strlen == 1 && send_str[0] == 0x7c) 
 	{
 	    send_str = "\034";
 	    send_strlen = 1;
 	}
 #endif
+
+	// True VT100 control-key emulation
+	if (modflag & NSControlKeyMask && send_strlen == 1) {
+	    switch (send_str[0]) {
+	    case 0x33:			// Control-3 -> Escape
+		send_str = "\033";
+		break;
+	    case 0x34:			// Control-4 -> Control-\
+		send_str = "\034";
+		break;
+	    case 0x37:			// Control-7 -> Control-_
+		send_str = "\037";
+		break;
+	    case 0x38:			// Control-8 -> Delete
+		send_str = "\177";
+		break;
+	    }
+	}
 
 #if NUMERICPAD_ENTER_SUPPORT
         if (modflag & NSNumericPadKeyMask &&
             send_strlen == 1 &&
             send_str[0] == 0x03)
         {
             send_str = "\012";  // NumericPad Entry -> 0x0a