diff -r c361034c5a1c dwm.c
--- a/dwm.c	Sat Sep 11 19:00:18 2010 +0000
+++ b/dwm.c	Mon Nov 22 12:40:59 2010 -0800
@@ -243,6 +243,11 @@
 static int xerrorstart(Display *dpy, XErrorEvent *ee);
 static void zoom(const Arg *arg);
 
+static void keyrelease(XEvent *e);
+static void combotag(const Arg *arg);
+static void comboview(const Arg *arg);
+
+
 /* variables */
 static const char broken[] = "broken";
 static char stext[256];
@@ -260,6 +265,7 @@
 	[EnterNotify] = enternotify,
 	[Expose] = expose,
 	[FocusIn] = focusin,
+	[KeyRelease] = keyrelease,
 	[KeyPress] = keypress,
 	[MappingNotify] = mappingnotify,
 	[MapRequest] = maprequest,
@@ -282,6 +288,40 @@
 struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
 
 /* function implementations */
+static int combo = 0;
+
+void
+keyrelease(XEvent *e) {
+	combo = 0;
+}
+
+void
+combotag(const Arg *arg) {
+	if(selmon->sel && arg->ui & TAGMASK) {
+		if (combo) {
+			selmon->sel->tags |= arg->ui & TAGMASK;
+		} else {
+			combo = 1;
+			selmon->sel->tags = arg->ui & TAGMASK;
+		}
+		arrange(selmon);
+	}
+}
+
+void
+comboview(const Arg *arg) {
+	unsigned newtags = arg->ui & TAGMASK;
+	if (combo) {
+		selmon->tagset[selmon->seltags] |= newtags;
+	} else {
+		selmon->seltags ^= 1;	/*toggle tagset*/
+		combo = 1;
+		if (newtags)
+			selmon->tagset[selmon->seltags] = newtags;
+	}
+	arrange(selmon);
+}
+
 void
 applyrules(Client *c) {
 	const char *class, *instance;
@@ -425,6 +465,7 @@
 	Monitor *m;
 	XButtonPressedEvent *ev = &e->xbutton;
 
+	combo = 0;
 	click = ClkRootWin;
 	/* focus monitor if necessary */
 	if((m = wintomon(ev->window)) && m != selmon) {