vim-patch:7.4.2077

Problem:    Cannot update 'tabline' when a tab was closed.
Solution:   Add the TabClosed autocmd event. (partly by Felipe Morales)

12c11d5530

runtime/doc/autocmd.txt

@@ -990,6 +990,11 @@ WinLeave			Before leaving a window.  If the window to be
 				WinLeave autocommands (but not for ":new").
 				Not used for ":qa" or ":q" when exiting Vim.
 
+							*WinNew*
+WinNew				When a new window was created.  Not done for
+				the fist window, when Vim has just started.
+				Before a WinEnter event.
+
 ==============================================================================
 6. Patterns					*autocmd-patterns* *{pat}*
 

src/nvim/testdir/test_autocmd.vim

@@ -90,6 +90,7 @@ func Test_win_tab_autocmd()
     au WinEnter * call add(g:record, 'WinEnter') 
     au WinLeave * call add(g:record, 'WinLeave') 
     au TabNew * call add(g:record, 'TabNew')
+    au TabClosed * call add(g:record, 'TabClosed')
     au TabEnter * call add(g:record, 'TabEnter')
     au TabLeave * call add(g:record, 'TabLeave')
   augroup END
@@ -102,10 +103,21 @@ func Test_win_tab_autocmd()
   call assert_equal([
 	\ 'WinLeave', 'WinNew', 'WinEnter',
 	\ 'WinLeave', 'TabLeave', 'WinNew', 'WinEnter', 'TabNew', 'TabEnter',
-	\ 'WinLeave', 'TabLeave', 'WinEnter', 'TabEnter',
+	\ 'WinLeave', 'TabLeave', 'TabClosed', 'WinEnter', 'TabEnter',
 	\ 'WinLeave', 'WinEnter'
 	\ ], g:record)
 
+  let g:record = []
+  tabnew somefile
+  tabnext
+  bwipe somefile
+
+  call assert_equal([
+	\ 'WinLeave', 'TabLeave', 'WinNew', 'WinEnter', 'TabNew', 'TabEnter',
+	\ 'WinLeave', 'TabLeave', 'WinEnter', 'TabEnter',
+	\ 'TabClosed'
+	\ ], g:record)
+
   augroup testing
     au!
   augroup END