Updated runtime files

runtime/doc/todo.txt

@@ -1,4 +1,4 @@
-*todo.txt*      For Vim version 7.4.  Last change: 2016 Feb 24
+*todo.txt*      For Vim version 7.4.  Last change: 2016 Feb 27
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -35,10 +35,6 @@ not be repeated below, unless there is extra information.
 -------------------- Known bugs and current work -----------------------
 
 +channel:
-- don't free channel if there are callbacks.
-    netbeans channel leaks?
-- job_stop() on MS-Windows: "term" should probably do the same as "kill".
-- Make JSON encode and decode NaN and Infinity.
 - A callback on ch_sendraw() should be put at the end of the list of callback
   handlers.  When a message arrives invoke the first one and remove it.
 - implement TODO items in ":help channel":
@@ -72,11 +68,14 @@ not be repeated below, unless there is extra information.
 - Add a test where ["eval","getline(123)"] gets a line with special
   characters (NUL, 0x80, etc.).  Check that it isn't garbled.
 - make sure errors lead to a useful error msg. ["ex","foobar"]
-- json: implement UTF-16 surrogate pair.
 - For connection to server, a "keep open" flag would be useful.  Retry
   connecting in the main loop with zero timeout.
 
-Remove the sniff interface?  Looks like it's dead.
+For Win32 isinf() should be inline. (ZyX)
+
+Add ":packadd"? Like :loadplugin but only adds the dir to 'runtimepath'.
+
+emoji patch from Yasuhiro Matsumoto.
 
 More plugin support:
 - Have a way to install a callback from the main loop.  Called every second or
@@ -169,6 +168,9 @@ Feb 9)
 Patch to put undo options together in undo window.
 (Gary Johnson, 2016 Jan 28)
 
+Patch to have better check for {action} argument of setqflist().
+Nikolai Pavlov, Feb 25, #661.  Can be even more strict.
+
 Patch for clearing history. (Yegappan Lakshmanan, 2016 Jan 31, second message
 has tests)
 
@@ -1563,8 +1565,6 @@ still delete them.  Also convert all buffer file names?
 
 Update src/testdir/main.aap.
 
-"vim -c 'sniff connect'" hangs Vim. (Dominique Pelle, 2008 Dec 7)
-
 Something wrong with session that has "cd" commands and "badd", in such a way
 that Vim doesn't find the edited file in the buffer list, causing the
 ATTENTION message?  (Tony Mechelynck, 2008 Dec 1)