Update runtime files.

runtime/doc/todo.txt

@@ -1,4 +1,4 @@
-*todo.txt*      For Vim version 7.4.  Last change: 2016 Jul 15
+*todo.txt*      For Vim version 7.4.  Last change: 2016 Jul 17
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -34,9 +34,6 @@ not be repeated below, unless there is extra information.
 							*known-bugs*
 -------------------- Known bugs and current work -----------------------
 
-Problem with setqflist([]): grep 4 times, ":colder 3", setqflist([]) will
-clear the next list, not the current one.  Ramel Eshed, Jun 8.
-
 +channel:
 - When a message in the queue but there is no callback, drop it after a while?
   Add timestamp to queued messages and callbacks with ID, remove after a
@@ -52,6 +49,8 @@ Later
 - job_start(): run job in a newly opened terminal.
     With xterm could use -S{pty}.
 
+Quickfix refactoring. (Yegappan Lakshmanan,)
+
 Quickfix improvements for background building and grepping:
 - Add a command modifier ":usefname" to quickfix commands and functions to
   keep a file name as a string and not create a buffer for it? To avoid
@@ -118,6 +117,8 @@ Or avoid recursiveness.
 
 Also use funcref for substitute, instead of \=.
 
+Patch to define v:t_number etc. (Ken Takata, 2016 Jul 15)
+
 Python: Extended funcrefs: use func_T* structure in place of char_u* function
 names.
 (ZyX, 2013 Jul 15, update Sep 22, 24, 28; Update 2013 Dec 15, 2014 Jan 6)
@@ -126,8 +127,6 @@ Also fixes Bug: E685 error for func_unref(). (ZyX, 2010 Aug 5)
 Once .exe with updated installer is available: Add remark to download page
 about /S and /D options (Ken Takata, 2016 Apr 13)
 
-Patch to remove unsupported systems. (Hirohito Higashi, 2016 Jul 13)
-
 Cursor positioned in the wrong place when editing src/testdir/test_viml.vim.
 
 Javascript indent wrong after /* in single quoted string:
@@ -144,8 +143,16 @@ Invalid behavior with NULL list. (Nikolai Pavlov, #768)
 For current Windows build .pdb file is missing. (Gabriele Fava, 2016 May 11)
 5)
 
+Support closure for lambda?  Ken Takata is working on it.
+
 Problem with whitespace in errorformat. (Gerd Wachsmuth, 2016 May 15, #807)
 
+Patch to allow setting w:quickfix_title via setqflist() and setloclist()
+functions. (Christian Brabandt, 2013 May 8, update May 21)
+Patch to add getlocstack() / setlocstack(). (Christian Brabandt, 2013 May 14)
+Second one. Update May 22.
+Update by Daniel Hahler, 2014 Jul 4, Aug 14, Oct 14, Oct 15.
+
 Patch to add filtering of the quickfix list. (Yegappan Lakshmanan, 2016 Mar
 13, last version)  Update June 26, #830.
 Instead use a Vim script implementation, invoked from a Vim command.
@@ -549,12 +556,6 @@ Is this a good solution?
 
 Patch to add /pattern/ to :oldfiles.  Pull #575.
 
-Patch to allow setting w:quickfix_title via setqflist() and setloclist()
-functions. (Christian Brabandt, 2013 May 8, update May 21)
-Patch to add getlocstack() / setlocstack(). (Christian Brabandt, 2013 May 14)
-Second one. Update May 22.
-Update by Daniel Hahler, 2014 Jul 4, Aug 14, Oct 14, Oct 15.
-
 Patch: Let rare word highlighting overrule good word highlighting.
 (Jakson A. Aquino, 2010 Jul 30, again 2011 Jul 2)