patch 7.4.1413
Problem:    When calling ch_close() the close callback is invoked, even though
            the docs say it isn't. (Christian J. Robinson)
Solution:   Don't call the close callback.
diff --git a/src/channel.c b/src/channel.c
index 0d46c58..8044c4d 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -312,7 +312,7 @@
     void
 channel_free(channel_T *channel)
 {
-    channel_close(channel);
+    channel_close(channel, TRUE);
     if (channel->ch_next != NULL)
 	channel->ch_next->ch_prev = channel->ch_prev;
     if (channel->ch_prev == NULL)
@@ -1466,7 +1466,7 @@
  * This does not trigger the close callback.
  */
     void
-channel_close(channel_T *channel)
+channel_close(channel_T *channel, int invoke_close_cb)
 {
     ch_log(channel, "Closing channel");
 
@@ -1497,7 +1497,7 @@
     }
 #endif
 
-    if (channel->ch_close_cb != NULL)
+    if (invoke_close_cb && channel->ch_close_cb != NULL)
     {
 	  typval_T	argv[1];
 	  typval_T	rettv;
@@ -1757,7 +1757,7 @@
 	/* TODO: When reading from stdout is not possible, should we try to
 	 * keep stdin and stderr open?  Probably not, assume the other side
 	 * has died. */
-	channel_close(channel);
+	channel_close(channel, TRUE);
 	if (channel->ch_nb_close_cb != NULL)
 	    (*channel->ch_nb_close_cb)();
 
diff --git a/src/eval.c b/src/eval.c
index b04b6c2..db9c6b7 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -10213,7 +10213,7 @@
     channel_T *channel = get_channel_arg(&argvars[0]);
 
     if (channel != NULL)
-	channel_close(channel);
+	channel_close(channel, FALSE);
 }
 
 # ifdef FEAT_JOB
diff --git a/src/netbeans.c b/src/netbeans.c
index 44a725e..441ca76 100644
--- a/src/netbeans.c
+++ b/src/netbeans.c
@@ -100,7 +100,7 @@
 	netbeans_send_disconnect();
 	if (nb_channel != NULL)
 	    /* Close the socket and remove the input handlers. */
-	    channel_close(nb_channel);
+	    channel_close(nb_channel, TRUE);
 	nb_channel = NULL;
     }
 
diff --git a/src/proto/channel.pro b/src/proto/channel.pro
index 81935bf..96b51b9 100644
--- a/src/proto/channel.pro
+++ b/src/proto/channel.pro
@@ -17,7 +17,7 @@
 int channel_can_write_to(channel_T *channel);
 int channel_is_open(channel_T *channel);
 char *channel_status(channel_T *channel);
-void channel_close(channel_T *channel);
+void channel_close(channel_T *channel, int invoke_close_cb);
 char_u *channel_peek(channel_T *channel, int part);
 void channel_clear(channel_T *channel);
 void channel_free_all(void);
diff --git a/src/version.c b/src/version.c
index 84085cf..3d7ed57 100644
--- a/src/version.c
+++ b/src/version.c
@@ -749,6 +749,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1413,
+/**/
     1412,
 /**/
     1411,