diff --git a/src/event.js b/src/event.js
index 873a6ddcb..cc85ec56a 100644
--- a/src/event.js
+++ b/src/event.js
@@ -7,7 +7,7 @@ var rnamespaces = /\.(.*)$/,
 	rescape = /[^\w\s.|`]/g,
 	rtypenamespace = /^([^\.]*)?(?:\.(.+))?$/,
 	rhoverHack =  /\bhover(\.\S+)?/,
-	rquickIs = /^([\w\-]+)?(?:#([\w\-]+))?(?:\.([\w\-]+))?(?:\[([\w+\-]+)=["']?([\w\-]*)["']?\])(:first-child|:last-child|:empty)?$/,
+	rquickIs = /^([\w\-]+)?(?:#([\w\-]+))?(?:\.([\w\-]+))?(?:\[([\w+\-]+)=["']?([\w\-]*)["']?\])?(:first-child|:last-child|:empty)?$/,
 	delegateTypeMap = {
 		focus: "focusin",
 		blur: "focusout",
@@ -69,12 +69,12 @@ jQuery.event = {
 
 		// Handle multiple events separated by a space
 		// jQuery(...).bind("mouseover mouseout", fn);
-		types = types.replace( rhoverHack, "mouseover$1 mouseout$1" ).split(" ");
+		types = types.replace( rhoverHack, "mouseover$1 mouseout$1" ).split( " " );
 		for ( t = 0; t < types.length; t++ ) {
 
 			tns = rtypenamespace.exec( types[t]  ) || [];
 			type = tns[1];
-			namespaces = (tns[2] || "").split(".").sort();
+			namespaces = (tns[2] || "").split( "." ).sort();
 			handleObj = jQuery.extend({
 				type: type, 
 				data: data, 
@@ -112,7 +112,7 @@ jQuery.event = {
 				}
 
 				// Pre-analyze selector so we can process it quickly on event dispatch
-				quick = handleObj.quick = rquickIs.exec(selector);
+				quick = handleObj.quick = rquickIs.exec( selector );
 				if ( quick ) {
 					//   0  1    2   3      4         5          6
 					// [ _, tag, id, class, attrName, attrValue, pseudo(:empty :first-child :last-child) ]
diff --git a/test/unit/event.js b/test/unit/event.js
index db6013e4e..235ab4bcb 100644
--- a/test/unit/event.js
+++ b/test/unit/event.js
@@ -2306,12 +2306,44 @@ test(".on and .off", function() {
 });
 
 test("delegated events quickIs", function() {
-	expect(1);
-	ok( false, "write a unit test you lazy slob!" );
-//TODO: specific unit tests for quickIs selector cases
-//TODO: make a test to ensure == matches the null returned by getAttribute for [name]
-//ALSO: will quick[5] return undefined in all regexp impls? If not fix it
+	expect(23);
+	var markup = jQuery( '<div#quickis><p class="D">dead<b devo="cool">beat</b>club</p><quote id="famous">worked<em>or</em>borked?<em></em></quote></div>' ),
+		str,
+		check = function(el, expect){ 
+			str = "";
+			markup.find( el ).trigger( "blink" );
+			equals( str, expect, "On " + el );
+		},
+		func = function(e){ 
+			var tag = this.nodeName.toLowerCase();
+			str += (str && " ") + tag + "|" + e.handleObj.selector;
+			ok( e.handleObj.quick, "Selector "+ e.handleObj.selector + " on " + tag + " is a quickIs case" );
+		};
 
+	// tag#id.class[name=value]
+	markup
+		.appendTo( "body " )
+		.on( "blink", "em", func )
+		.on( "blink", ".D", func )
+		.on( "blink", ".d", func )
+		.on( "blink", "p.d", func )
+		.on( "blink", "[devo=cool]", func )
+		.on( "blink", "[devo='NO']", func )
+		.on( "blink", "#famous", func )
+		.on( "blink", "em:empty", func )
+		.on( "blink", ":first-child", func )
+		.on( "blink", "em:last-child", func );
+
+	check( "[devo=cool]", "b|[devo=cool] p|.D p|:first-child" );
+	check( "[devo='']", "" );
+	check( "p", "p|.D p|:first-child" );
+	check( "b", "b|[devo=cool] p|.D p|:first-child" );
+	check( "em", "em|em quote|#famous em|em em|em:empty em|em:last-child quote|#famous" );
+	
+	markup.find( "b" ).attr( "devo", "NO" );
+	check( "b", "b|[devo='NO'] p|.D p|:first-child" );
+
+	markup.remove();
 });