From 788606f424d6a99bc2de5dfdfb00ecaab9329313 Mon Sep 17 00:00:00 2001
From: Gregory Casamento <greg.casamento@gmail.com>
Date: Fri, 15 Sep 2023 14:59:33 -0400
Subject: [PATCH] Add method which calls info implementation

---
 Source/NSKeyValueObserving.m | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/Source/NSKeyValueObserving.m b/Source/NSKeyValueObserving.m
index 5055daa39..406d6a705 100644
--- a/Source/NSKeyValueObserving.m
+++ b/Source/NSKeyValueObserving.m
@@ -1605,6 +1605,31 @@ cifframe_callback(ffi_cif *cif, void *retp, void **args, void *user)
     [forwarder finalize];
 }
 
+- (void) removeObserver: (NSObject*)anObserver
+             forKeyPath: (NSString*)aPath
+                context: (void *)context
+{
+  GSKVOInfo	*info;
+  
+  setup();
+  [kvoLock lock];
+  /*
+   * Get the observation information and remove this observation.
+   */
+  info = (GSKVOInfo*)[self observationInfo];
+  [info removeObserver: anObserver forKeyPath: aPath context: context];
+  if ([info isUnobserved] == YES)
+    {
+      /*
+       * The instance is no longer being observed ... so we can
+       * turn off key-value-observing for it.
+       */
+      object_setClass(self, [self class]);
+      IF_NO_GC(AUTORELEASE(info);)
+      [self setObservationInfo: nil];
+    }
+  [kvoLock unlock];
+}
 
 @end