diff --git a/mozilla/camino/resources/application/Camino.sdef b/mozilla/camino/resources/application/Camino.sdef
index 86713292331..9d3369752e5 100644
--- a/mozilla/camino/resources/application/Camino.sdef
+++ b/mozilla/camino/resources/application/Camino.sdef
@@ -258,6 +258,9 @@
 			<property name="URL" code="pURL" description="The tab&apos;s current URL" type="text">
 				<cocoa key="currentURI"/>
 			</property>
+			<responds-to name="close">
+				<cocoa method="close:"/>
+			</responds-to>
 		</class>
 		<class name="bookmark item" code="BMIt" plural="bookmark items">
 			<cocoa class="BookmarkItem"/>
diff --git a/mozilla/camino/src/appleevents/ScriptingSupport.mm b/mozilla/camino/src/appleevents/ScriptingSupport.mm
index 97588ea4bc1..66714e979c0 100644
--- a/mozilla/camino/src/appleevents/ScriptingSupport.mm
+++ b/mozilla/camino/src/appleevents/ScriptingSupport.mm
@@ -45,6 +45,7 @@
 #import "Bookmark.h"
 #import "AutoCompleteTextField.h"
 #import "BrowserWindowController.h"
+#import "BrowserTabViewItem.h"
 
 
 // This file adds scripting support to various classes.
@@ -300,7 +301,7 @@
   }
 }
 
-// BrowserWindow implements a -currentURI but not a -setCurrentURI:.
+// BrowserWrapper implements a -currentURI but not a -setCurrentURI:.
 // This method lets "tab's URL" be a read/write property.
 - (void)setCurrentURI:(NSString *)newURI
 {
@@ -316,6 +317,16 @@
   [self loadURI:newURI referrer:nil flags:NSLoadFlagsNone focusContent:YES allowPopups:NO];
 }
 
+// Allow tabs to respond to "close" command.
+- (id)close:(NSCloseCommand *)command
+{
+  if ([[[self tab] tabView] numberOfTabViewItems] > 1)
+    [(BrowserTabViewItem *)[self tab] closeTab:self];
+  else
+    [[self nativeWindow] performClose:self];
+  return nil;
+}
+
 @end