--- xsc-1.5.old/args.C
+++ xsc-1.5/args.C
@@ -15,10 +15,12 @@
 void
 Args::init(struct info *const a)
 {
-    a->ccw = XK_d;
-    a->cw = XK_f;
-    a->thrust = XK_j;
-    a->fire = XK_k;
+    a->ccw    = XK_Left;        // Original = XK_d
+    a->cw     = XK_Right;       // Original = XK_f
+    a->thrust = XK_Up;          // Original = XK_j
+    a->fire   = XK_Control_L;   // Original = XK_k
+    a->escape = XK_Escape;      // New key [added 070606]
+
     a->pause = XK_p;
     a->iconify = XK_i;
     a->quit = XK_q;
--- xsc-1.5.old/args.h
+++ xsc-1.5/args.h
@@ -16,6 +16,7 @@
     KeySym iconify;	// the key which iconifies the window
     KeySym quit;	// the key which quits the game
     KeySym start;	// the key which starts the game
+    KeySym escape;  // Escape key
     float fps;		// frames per second
     short x;		// x offset of the window
     short y;		// y offset of the window
--- xsc-1.5.old/xsc.C
+++ xsc-1.5/xsc.C
@@ -256,7 +256,7 @@
 		} else {
 		    XBell(display, 50);
 		}
-	    } else if (ks == args.quit) {
+	    } else if ((ks == args.quit) || (ks == args.escape)) {
 		quit(EXIT_SUCCESS);
 	    } else {
 		XBell(display, 50);