Update runtime files.

runtime/doc/todo.txt

@@ -1,4 +1,4 @@
-*todo.txt*      For Vim version 8.0.  Last change: 2017 Jan 09
+*todo.txt*      For Vim version 8.0.  Last change: 2017 Jan 16
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -35,6 +35,8 @@ entered there will not be repeated below, unless there is extra information.
 							*known-bugs*
 -------------------- Known bugs and current work -----------------------
 
+get_syn_options() does not respect skip in else part. (Zyx)
+
 +channel:
 - Try out background make plugin: 
   https://github.com/AndrewVos/vim-make-background
@@ -120,28 +122,10 @@ What if there is an invalid character?
 
 Include rust files. (Klabnik, #1356)
 
-More float tests.  (Dominique, #1364)
-
-Patch to avoid ubsan warning for integer overflow. (Dominique, 2016 Dec 26)
-
-Bug: Json with same key should not give internal error. (Lcd, 2016 Oct 26)
-Make dict_add give a duplicate key error.
-
-Patch to make str2nr and str2float work with signed values.
-(Lemonbody, 2016 Dec 18, #1332)
-
-Should json_encode()/json_decode() restrict recursiveness?
-Or avoid recursiveness.
-
-Patch to fix UBSan error.  Is this actually needed?
-(Yegappan, 2016 Dec 18)
-
 Allow using json with empty key?  Dict already has it.
 
 Json string with trailing \u should be an error. (Lcd)
 
-Patch to reset ex_exitvalue after catch. (Christian Brabandt, 2016 Oct 23)
-
 Patch to deal with changed configure events in GTK 3. (Jan Alexander Steffens,
 2016 Oct 23 #1193)
 Remarks from nuko8, 2016 Nov 2.
@@ -159,6 +143,9 @@ Patch for :pyx, run python commands depending on the supported version.
 Patch to avoid warnings for overflow. (Mike Williams, 2016 Dec 16)
 Update Dec 19.
 
+When an item in the quickfix list has a file name that does not exist, behave
+like the item was not a match for :cnext.
+
 Wrong diff highlighting with three files. (2016 Oct 20, #1186)
 Also get E749 on exit.
 Another example in #1309
@@ -219,9 +206,6 @@ Or point to nightly builds: https://github.com/vim/vim-win32-installer/releases
 Problem passing non-UTF-8 strings to Python 3. (Björn Linse, 2016 Sep 11,
 #1053)  With patch, does it work?
 
-Patch to make finding duplicate tags much faster, using a hashtab. (James
-McCoy, 2016 Sept 14, #1046)  Should work now.  Updated Nov 12.
->
 Use ADDR_OTHER instead of ADDR_LINES for many more commands.
 Add tests for using number larger than number of lines in buffer.
 
@@ -251,6 +235,9 @@ Patch to make it possible to extend a list with itself.
 
 Patch to add Zstandard compressed file support. (Nick Terrell, 2016 Oct 24)
 
+Patch to add new regexp classes :ident:, :keyword:, :fname:.
+(ichizok, 2016 Jan 12, #1373)
+
 Patch to add trim() function. (Bukn, 2016 Nov 25, #1280)
 
 Patch to add MODIFIED_BY to MSVC build file. (Chen Lei, 2016 Nov 24, #1275)
@@ -475,6 +462,9 @@ Should use /usr/local/share/applications or /usr/share/applications.
 Or use $XDG_DATA_DIRS.
 Also need to run update-desktop-database (Kuriyama Kazunobu, 2015 Nov 4)
 
+Test object i{ and it do not behave the same. #1379
+Do not include the linebreak at the start?
+
 Patch to have text objects defined by arbitrary single characters. (Daniel
 Thau, 2013 Nov 20, 2014 Jan 29, 2014 Jan 31)
 Added tests (James McCoy, 2016 Aug 3).  Still needs more work.
@@ -972,11 +962,6 @@ highlighted as the cursor line.  (Alessandro Ivaldi, 2013 Jun 4)
 
 Two highlighting bugs. (ZyX, 2013 Aug 18)
 
-Patch to add the bufferlist() function. (Yegappan Lakshmanan, 2013 May 5)
-May 17: with winlist() and tabpagelist().
-May 19: with local variables.
-May 28: with options
-
 Patch to support 'u' in interactive substitute. (Christian Brabandt, 2012 Sep
 28)  With tests: Oct 9.
 
@@ -1219,8 +1204,6 @@ right type.
 string() can't parse back "inf" and "nan".  Fix documentation or fix code?
 (ZyX, 2010 Aug 23)
 
-Make 'formatprg' global-local. (Sung Pae)
-
 When doing "redir => s:foo" in a script and then "redir END" somewhere else
 (e.g. in a function) it can't find s:foo.
 When a script contains "redir => s:foo" but doesn't end redirection, a