applied Neil Klopfstein's patch, slightly modified

dwm.c

@@ -282,7 +282,7 @@ static void (*handler[LASTEvent]) (XEvent *) = {
 	[UnmapNotify] = unmapnotify
 };
 static Atom wmatom[WMLast], netatom[NetLast];
-static Bool running = True;
+static Bool running = True, usexkb;
 static Cursor cursor[CurLast];
 static Display *dpy;
 static DC dc;
@@ -1069,7 +1069,10 @@ keypress(XEvent *e) {
 	XKeyEvent *ev;
 
 	ev = &e->xkey;
-	keysym = XkbKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0, 0);
+	if(usexkb) {
+		keysym = XkbKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0, 0);
+	else
+		keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
 	for(i = 0; i < LENGTH(keys); i++)
 		if(keysym == keys[i].keysym
 		&& CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
@@ -1579,6 +1582,7 @@ setmfact(const Arg *arg) {
 void
 setup(void) {
 	XSetWindowAttributes wa;
+	int dummy = 0, xkbmajor = XkbMajorVersion, xkbminor = XkbMinorVersion;
 
 	/* clean up any zombies immediately */
 	sigchld(0);
@@ -1631,6 +1635,8 @@ setup(void) {
 	                |EnterWindowMask|LeaveWindowMask|StructureNotifyMask|PropertyChangeMask;
 	XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
 	XSelectInput(dpy, root, wa.event_mask);
+	/* init xkb */
+	usexkb = XkbQueryExtension(dpy, &dummy, &dummy, &dummy, &xkb_major, &xkb_minor);
 	grabkeys();
 }