updated for version 7.4.663
Problem:    When using netbeans a buffer is not found in another tab.
Solution:   When 'switchbuf' is set to "usetab" then switch to another tab
            when possible. (Xavier de Gaye)
diff --git a/src/netbeans.c b/src/netbeans.c
index 4f6cf2f..e9f7910 100644
--- a/src/netbeans.c
+++ b/src/netbeans.c
@@ -2691,8 +2691,15 @@
     static void
 nb_set_curbuf(buf_T *buf)
 {
-    if (curbuf != buf && buf_jump_open_win(buf) == NULL)
+    if (curbuf != buf) {
+	if (buf_jump_open_win(buf) != NULL)
+	    return;
+# ifdef FEAT_WINDOWS
+	if ((swb_flags & SWB_USETAB) && buf_jump_open_tab(buf) != NULL)
+	    return;
+# endif
 	set_curbuf(buf, DOBUF_GOTO);
+    }
 }
 
 /*
diff --git a/src/version.c b/src/version.c
index 5bb8a4c..8a55ed6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    663,
+/**/
     662,
 /**/
     661,