From f7d98dbba0dc7c7e9fea63d39fe88aefa4e9f66c Mon Sep 17 00:00:00 2001
From: Alan Third
Date: Mon, 7 Jun 2021 23:13:33 +0100
Subject: Revert "src/nsterm.m: fix window tabbing on macOS"

This reverts commit 2207f9adccc0411b7ad73a3703f16250d7f8e139.
---
 src/nsterm.m | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src')

diff --git a/src/nsterm.m b/src/nsterm.m
index 11b02f1726e..f6168243a49 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -7628,6 +7628,14 @@ not_in_argv (NSString *arg)
          selector:@selector (viewDidResize:)
              name:NSViewFrameDidChangeNotification object:nil];
 
+  /* macOS Sierra automatically enables tabbed windows.  We can't
+     allow this to be enabled until it's available on a Free system.
+     Currently it only happens by accident and is buggy anyway.  */
+#ifdef NS_IMPL_COCOA
+  if ([win respondsToSelector: @selector(setTabbingMode:)])
+    [win setTabbingMode: NSWindowTabbingModeDisallowed];
+#endif
+
   ns_window_num++;
   return self;
 }
-- 
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