diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 141f586..6a0013a 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 8.0.  Last change: 2017 Apr 29
+*eval.txt*	For Vim version 8.0.  Last change: 2017 May 02
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -10692,12 +10692,6 @@
 "while 0".  Without the |+eval| feature the "while 0" is an error, which is
 silently ignored, and the command is executed.
 
-The "<CR>" here is a real CR character, type CTRL-V Enter to get it.
-
-When the |+eval| feature is available the ":" is remapped to add a double
-quote, which has the effect of commenting-out the command.  Without the
-|+eval| feature the nnoremap command is skipped and the command is executed.
-
 ==============================================================================
 11. The sandbox					*eval-sandbox* *sandbox* *E48*
 
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 927931c..c6fc424 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 8.0.  Last change: 2017 Mar 22
+*options.txt*	For Vim version 8.0.  Last change: 2017 May 08
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -862,6 +862,12 @@
 <	Vim will guess the value.  In the GUI this should work correctly,
 	in other cases Vim might not be able to guess the right value.
 
+	When the t_BG option is set, Vim will use it to request the background
+	color from the terminal.  If the returned RGB value is dark/light and
+	'background' is not dark/light, 'background' will be set and the
+	screen is redrawn.  This may have side effects, make t_BG empty in
+	your .vimrc if you suspect this problem.
+
 	When starting the GUI, the default value for 'background' will be
 	"light".  When the value is not set in the .gvimrc, and Vim detects
 	that the background is actually quite dark, 'background' is set to
@@ -2700,7 +2706,7 @@
 	Makes the 'g' and 'c' flags of the ":substitute" command to be
 	toggled each time the flag is given.  See |complex-change|.  See
 	also 'gdefault' option.
-	Switching this option on is discouraged!
+	Switching this option on may break plugins!
 
 					*'emoji'* *'emo'* *'noemoji'* *'noemo'*
 'emoji' 'emo'	boolean (default: on)
diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index 0736ada..eda32c5 100644
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -1,4 +1,4 @@
-*todo.txt*      For Vim version 8.0.  Last change: 2017 Apr 28
+*todo.txt*      For Vim version 8.0.  Last change: 2017 May 27
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -35,13 +35,9 @@
 							*known-bugs*
 -------------------- Known bugs and current work -----------------------
 
-Remove the Farsi code?
-
 +channel:
-- job_stop() should not always close the channel, e.g. for "int".
-  (Martin Gammelsæter, 2017 Apr 11, #1632)
-  Only assume killed on "kill".
-  Check job->jv_status not to be JOB_ENDED.
+- When redrawing for the channel buffer, command line completion is cleared.
+  (Ramel Eshed, 2017 May 4)
 - Try out background make plugin: 
   https://github.com/AndrewVos/vim-make-background
 - Problem with stderr on Windows? (Vincent Rischmann, 2016 Aug 31, #1026)
@@ -110,13 +106,102 @@
   had_endbrace[] is set but not initialized or used.
 - Difference between two engines: ".*\zs\/\@>\/" on text "///"
   (Chris Paul, 2016 Nov 13)  New engine not greedy enough?
+  Another one: echom matchstr(" sdfsfsf\n sfdsdfsdf",'[^\n]*')
+  (2017 May 15, #1252)
 
 With foldmethod=syntax and nofoldenable comment highlighting isn't removed.
 (Marcin Szewczyk, 2017 Apr 26)
 
+Patch for Murphy filetype detection. (Matthew Fernandez, 2017 May 17)
+
+ZoomWin plugin ratings went down a lot.  Bot problem? (Charles Campbell, 2017
+May 18)
+
+ml_get errors with buggy script. (Dominique, 2017 Apr 30)
+
+Error in emsg with buggy script. (Dominique, 2017 Apr 30)
+
+Patch to update 'runtimepath' earlier. (Ingo Karkat, 2017 May 5, #1680)
+
+Patch to make float2nr() more accurate. (Hirohito Higashi, 2017 May 7, #1688)
+
+Patch to make :hardcopy handle spaces correctly. (Christian Brabandt, 2017 May
+7, #1682)
+
+Add options_default() / options_restore() to set several options to Vim
+defaults for a plugin. Comments from Zyx, 2017 May 10.
+Perhaps use a vimcontext / endvimcontext command block.
+
+Patch to recognize 'bg' detection. (Lemonboy, 2017 May 18, #1710)
+
+Patch to recognize 1.0 as a whole as a float. (Yasuhiro Matsumoto, 2017 May
+11)
+
+Problem with three-piece comment. (Michael Lee, 2017 May 11, #1696)
+
+When checking if a bufref is valid, also check the buffer number, to catch the
+case of :bwipe followed by :new.
+
+Files for Latvian language. (Vitolins, 2017 May 3, #1675)
+
+Adding a filetype in a "start" package is not picked up as expected.
+(comment by Ingo Karkat, #1679)
+Patch for a fix, Ingo Karkat, #1693.
+
+Patch to fix character class detection in NFA engine.
+(James McCoy, 2017 May 12, update May 24, #1703)
+
+Setting 'clipboard' to "unnamed" makes a global command very slow (Daniel
+Drucker, 2017 May 8).
+This was supposed to be fixed, did it break again somehow?
+Christian cannot reproduce it.
+
+Better TeX indent file. (Christian Brabandt, 2017 May 3)
+
+Openhab syntax file (mueller, #1678)
+
+Followup patch for 8.0.0590 for "context" in locations. (Yegappan, 2017 May 4)
+
+Use gvimext.dll from the nightly build? (Issue #249)
+
+Patch to remove HAVE_GTK_MULTIHEAD-relevant code. (Kazunobu Kuriyama, 2017 May
+5) Update May 11
+
+Problem with using :cd when remotely editing a file. (Gerd Wachsmuth, 2017 May
+8, #1690)
+
+'equalalways' only works for one column. (Glacambre, 2017 May 15, #1707)
+
+Include solarized color scheme?
+
+Updates to GTK help. (Kazunobu Kuriyama, 2017 May 4)
+
 Running test_gui and test_gui_init with Motif sometimes kills the window
 manager.  Problem with Motif?
 
+Bogus characters inserted when triggering indent while changing text.
+(Vitor Antunes, 2016 Nov 22, #1269)
+
+Patch to have ":stag" respect 'switchbuf'. (Ingo Karkat, 2017 May 5, #1681)
+
+Wrong selection of quoted text (Guraga, #1687)
+Patch to fix selection of quoted text. (Christian Brabandt, 2017 May 7, #1687)
+
+Patch to use separate error message for regex range. (Itchyny, Ken Hamada,
+2017 May 16)
+
+Segmentation fault with complete(). (Lifepillar, 2017 Apr 29, #1668)
+Check for "pat" to be NULL in search_for_exact_line()?
+How did it get NULL?  Comment by Christian, Apr 30.
+
+Is it possible to keep the complete menu open when calling complete()?
+(Prabir Shrestha, 2017 May 19, #1713)
+
+Calling may_req_ambiguous_char_width() and may_req_bg_color() only after
+executing command line commands may not work properly.
+Set "starting" to 0 earlier, and move the may_req calls above exe_commands()?
+(Rastislav Barlink, 2017 May 18)
+
 Memory leak in test97?  The string is actually freed.  Weird.
 
 Patch for shellescape(). (Christian Brabandt, 2017 Apr 20, #1590)
@@ -127,6 +212,26 @@
 
 Add a toolbar in the terminal.  Can be global, above all windows, or specific
 for one window.
+
+Make maparg() also return the raw rhs, so that it doesn't depend on 'cpo'.
+(Brett Stahlman, 2017 May 23)
+Even better: add a way to disable a mapping temporarily and re-enable it
+later.  This is for a sub-mode that is active for a short while (one buffer).
+Still need maplist() to find the mappings.  What can we use to identify a
+mapping?  Something unique would be better than the LHS.
+
+Patch to support chinese wordcount in utf-8. (Rain, 2017 May 24, #1722)
+Or not?
+
+"gn" selects one character instead of the searched text. (keyboardfire, #1683)
+Patch by Christian, 2017 May 7.
+
+Wrong memory access using p_fdm, found in patch to add tests for diff mode
+(#1658) (Dominique Pelle, 2017 May 6)
+
+Patch to improve test coverage for diff mode. (Dominique Pelle, 2017 May 11,
+#1685)
+
 Use tb_set(winid, [{'text': 'stop', 'cb': callback, 'hi': 'Green'}])
     tb_highlight(winid, 'ToolBar')
     tb_get(winid)
@@ -194,6 +299,10 @@
 Patch to support on-the-spot and over-the-spot input method. (Ken Takata, 2017
 Feb 14).
 
+Change the Farsi code to work with UTF-8.  Possibly combined with the Arabic
+support, or similar.
+Invalid read error in Farsi mode. (Dominique Pelle, 2009 Aug 2)
+
 Add a command to take a range of lines, filter them and put the output
 somewhere else.  :{range}copy {dest} !cmd
 
@@ -369,15 +478,9 @@
 
 'hlsearch' interferes with a Conceal match. (Rom Grk, 2016 Aug 9)
 
-Patch to add context information to quickfix/location list. (Yegappan
-Lakshmanan, 2016 Aug 25, #1012)
-
 MS-Windows: use WS_HIDE instead of SW_SHOWMINNOACTIVE in os_win32.c?
 Otherwise task flickers in taskbar.
 
-Bogus characters inserted when triggering indent while changing test.
-(Vitor Antunes, 2016 Nov 22, #1269)
-
 Should make ":@r" handle line continuation. (Cesar Romani, 2016 Jun 26)
 Also for ":@.".
 
@@ -444,6 +547,8 @@
 Patch to improve indenting for C++ constructor with initializer list.
 (Hirohito Higashi, 2016 Mar 31)
 
+Zero-out krypt key information when no longer in use. (Ben Fritz, 2017 May 15)
+
 Add stronger encryption.  Could use libsodium (NaCl).
 https://github.com/jedisct1/libsodium/
 Possibly include the needed code so that it can be build everywhere.
@@ -1519,8 +1624,6 @@
 not a string. (Sean Ma)  Need to add flag to call_func_retlist() to force a
 string value.
 
-Invalid read error in Farsi mode. (Dominique Pelle, 2009 Aug 2)
-
 For running gvim on a USB stick: avoid the OLE registration.  Use a command
 line argument -noregister.
 
diff --git a/runtime/doc/usr_44.txt b/runtime/doc/usr_44.txt
index 658c72f..09de577 100644
--- a/runtime/doc/usr_44.txt
+++ b/runtime/doc/usr_44.txt
@@ -1,4 +1,4 @@
-*usr_44.txt*	For Vim version 8.0.  Last change: 2008 Dec 28
+*usr_44.txt*	For Vim version 8.0.  Last change: 2017 May 06
 
 		     VIM USER MANUAL - by Bram Moolenaar
 
@@ -686,7 +686,7 @@
 you include two files.
 
 If you want your syntax file to work with Vim 5.x, add a check for v:version.
-See yacc.vim for an example.
+Find an syntax file in the Vim 7.2 distribution for an example.
 
 Do not include anything that is a user preference.  Don't set 'tabstop',
 'expandtab', etc.  These belong in a filetype plugin.
diff --git a/runtime/doc/version8.txt b/runtime/doc/version8.txt
index 09285c6..e0e8f0e 100644
--- a/runtime/doc/version8.txt
+++ b/runtime/doc/version8.txt
@@ -15117,7 +15117,7 @@
 
 Patch 8.0.0101
 Problem:    Some options are not strictly checked.
-Solution:   Add flags for strickter checks.
+Solution:   Add flags for stricter checks.
 Files:      src/option.c
 
 Patch 8.0.0102 (after 8.0.0101)
@@ -15766,7 +15766,7 @@
 Files:      src/misc1.c
 
 Patch 8.0.0212
-Problem:    The buffer used to store a key name theoreticaly could be too
+Problem:    The buffer used to store a key name theoretically could be too
             small. (Coverity)
 Solution:   Count all possible modifier characters.  Add a check for the
             length just in case.
@@ -15834,7 +15834,7 @@
 
 Patch 8.0.0223
 Problem:    Coverity gets confused by the flags passed to find_tags() and
-            warnts for an uninitialized variable.
+            warns about uninitialized variable.
 Solution:   Disallow using cscope and help tags at the same time.
 Files:      src/tag.c
 
@@ -15955,7 +15955,7 @@
 
 Patch 8.0.0243
 Problem:    When making a character lower case with tolower() changes the byte
-            cound, it is not made lower case.
+            count, it is not made lower case.
 Solution:   Add strlow_save(). (Dominique Pelle, closes #1406)
 Files:      src/evalfunc.c, src/misc2.c, src/proto/misc2.pro,
             src/testdir/test_functions.vim
@@ -16032,9 +16032,9 @@
             src/proto/mbyte.pro
 
 Patch 8.0.0253
-Problem:    When creating a session when winminheight is 2 or larger and
+Problem:    When creating a session when 'winminheight' is 2 or larger and
             loading that session gives an error.
-Solution:   Also set winminheight before setting winheight to 1. (Rafael
+Solution:   Also set 'winminheight' before setting 'winheight' to 1. (Rafael
             Bodill, neovim #5717)
 Files:      src/ex_docmd.c, src/testdir/test_mksession.vim
 
@@ -16541,7 +16541,7 @@
 Files:      src/search.c, src/testdir/test_visual.vim
 
 Patch 8.0.0340
-Problem:    Not checking return valud of dict_add(). (Coverity)
+Problem:    Not checking return value of dict_add(). (Coverity)
 Solution:   Handle a failure.
 Files:      src/buffer.c
 
@@ -16612,12 +16612,12 @@
 Patch 8.0.0352
 Problem:    The condition for when a typval needs to be cleared is too
             complicated.
-Solution:   Init the type to VAR_UNKNOWN and clear it always.
+Solution:   Init the type to VAR_UNKNOWN and always clear it.
 Files:      src/eval.c
 
 Patch 8.0.0353
 Problem:    If [RO] in the status line is translated to a longer string, it is
-            trunctted to 4 bytes.
+            truncated to 4 bytes.
 Solution:   Skip over the resulting string. (Jente Hidskes, closes #1499)
 Files:      src/screen.c
 
@@ -17294,7 +17294,7 @@
 
 Patch 8.0.0461 (after 8.0.0457)
 Problem:    Test 45 hangs on MS-Windows.
-Solution:   Reset 'shiftwidth'.  Also remove redundent function.
+Solution:   Reset 'shiftwidth'.  Also remove redundant function.
 Files:      src/fold.c, src/testdir/test45.in
 
 Patch 8.0.0462
@@ -17597,7 +17597,7 @@
 Files:      README.md
 
 Patch 8.0.0511
-Problem:    Menuage for skipping client-server tests is unclear.
+Problem:    Message for skipping client-server tests is unclear.
 Solution:   Be more specific about what's missing (Hirohito Higashi, Kazunobu
             Kuriyama)
 Files:      src/testdir/test_quotestar.vim, src/testdir/test_clientserver.vim
@@ -17688,7 +17688,7 @@
 Files:      src/search.c, src/testdir/test_normal.vim
 
 Patch 8.0.0524 (after 8.0.0518)
-Problem:    Folds are messed up when 'encodin' is "utf-8".
+Problem:    Folds are messed up when 'encoding' is "utf-8".
 Solution:   Also set the fold character when it's not multi-byte.
 Files:      src/screen.c, src/testdir/test_display.vim
 
@@ -17882,7 +17882,7 @@
 Files:      src/testdir/test_syntax.vim
 
 Patch 8.0.0559
-Problem:    Setting ttytype to xxx does not always fail as expected. (Marvin
+Problem:    Setting 'ttytype' to xxx does not always fail as expected. (Marvin
             Schmidt)
 Solution:   Catch both possible errors. (closes #1601)
 Files:      src/testdir/test_options.vim
@@ -17919,7 +17919,7 @@
 Files:      src/quickfix.c
 
 Patch 8.0.0566
-Problem:    Setting nocompatible for the tiny version moves the cursor.
+Problem:    Setting 'nocompatible' for the tiny version moves the cursor.
 Solution:   Use another trick to skip commands when the +eval feature is
             present. (Christian Brabandt, closes #1630)
 Files:      runtime/defaults.vim
@@ -17938,7 +17938,7 @@
 Patch 8.0.0569
 Problem:    Bracketed paste is still enabled when executing a shell command.
             (Michael Smith)
-Solution:   Disable brackted paste when going into cooked mode. (closes #1638)
+Solution:   Disable bracketed paste when going into cooked mode. (closes #1638)
 Files:      src/term.c
 
 Patch 8.0.0570
@@ -17978,7 +17978,7 @@
 Files:      src/misc1.c, src/testdir/test_options.vim
 
 Patch 8.0.0576 (after 8.0.0570 and 8.0.0573)
-Problem:    Can't build when configure choses "install-sh". (Daniel Hahler)
+Problem:    Can't build when configure chooses "install-sh". (Daniel Hahler)
 Solution:   Always use install-sh.  Fix remaining use of mkinstalldirs.
             (closes #1647)
 Files:      src/installman.sh, src/installml.sh, src/config.mk.in,
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index 3871165..8758dd2 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -1,7 +1,7 @@
 " Vim support file to detect file types
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2017 Apr 20
+" Last Change:	2017 May 27
 
 " Listen very carefully, I will say this only once
 if exists("did_load_filetypes")
@@ -981,7 +981,7 @@
 
 " Innovation Data Processing
 au BufRead,BufNewFile upstream.dat\c,upstream.*.dat\c,*.upstream.dat\c 	setf upstreamdat
-au BufRead,BufNewFile upstream.log\c,upstream.*.log\c,*.upstream.log\c 	setf upstreamlog
+au BufRead,BufNewFile fdrupstream.log,upstream.log\c,upstream.*.log\c,*.upstream.log\c,UPSTREAM-*.log\c 	setf upstreamlog
 au BufRead,BufNewFile upstreaminstall.log\c,upstreaminstall.*.log\c,*.upstreaminstall.log\c setf upstreaminstalllog
 au BufRead,BufNewFile usserver.log\c,usserver.*.log\c,*.usserver.log\c 	setf usserverlog
 au BufRead,BufNewFile usw2kagt.log\c,usw2kagt.*.log\c,*.usw2kagt.log\c 	setf usw2kagtlog
@@ -1419,7 +1419,7 @@
 else
   au BufNewFile,BufRead *.pl			call s:FTpl()
 endif
-au BufNewFile,BufRead *.plx,*.al		setf perl
+au BufNewFile,BufRead *.plx,*.al,*.psgi		setf perl
 au BufNewFile,BufRead *.p6,*.pm6,*.pl6		setf perl6
 
 func! s:FTpl()
@@ -1807,6 +1807,9 @@
 " Scala
 au BufNewFile,BufRead *.scala			setf scala
 
+" SBT - Scala Build Tool
+au BufNewFile,BufRead *.sbt			setf sbt
+
 " Scilab
 au BufNewFile,BufRead *.sci,*.sce		setf scilab
 
diff --git a/runtime/ftplugin/sbt.vim b/runtime/ftplugin/sbt.vim
new file mode 100644
index 0000000..309d30e
--- /dev/null
+++ b/runtime/ftplugin/sbt.vim
@@ -0,0 +1,15 @@
+" Vim filetype plugin file
+" Language:     sbt
+" Maintainer:   Steven Dobay <stevendobay at protonmail.com>
+" License:      Same as Vim
+" Last Change:  2017.04.30
+" ----------------------------------------------------------------------------
+
+if exists('b:did_ftplugin') || &cp
+  finish
+endif
+
+let b:did_ftplugin = 1
+
+runtime! ftplugin/scala.vim
+
diff --git a/runtime/indent/sh.vim b/runtime/indent/sh.vim
index aca110f..ae4f4b5 100644
--- a/runtime/indent/sh.vim
+++ b/runtime/indent/sh.vim
@@ -3,10 +3,12 @@
 " Maintainer:          Christian Brabandt <cb@256bit.org>
 " Previous Maintainer: Peter Aronoff <telemachus@arpinum.org>
 " Original Author:     Nikolai Weibull <now@bitwi.se>
-" Latest Revision:     2016-06-27
+" Latest Revision:     2017-05-02
 " License:             Vim (see :h license)
 " Repository:          https://github.com/chrisbra/vim-sh-indent
 " Changelog:
+"          20170502: - get rid of buffer-shiftwidth function
+"          20160912: - preserve indentation of here-doc blocks
 "          20160627: - detect heredocs correctly
 "          20160213: - detect function definition correctly
 "          20160202: - use shiftwidth() function
@@ -33,15 +35,11 @@
 let s:cpo_save = &cpo
 set cpo&vim
 
-function s:buffer_shiftwidth()
-  return shiftwidth()
-endfunction
-
 let s:sh_indent_defaults = {
-      \ 'default': function('s:buffer_shiftwidth'),
-      \ 'continuation-line': function('s:buffer_shiftwidth'),
-      \ 'case-labels': function('s:buffer_shiftwidth'),
-      \ 'case-statements': function('s:buffer_shiftwidth'),
+      \ 'default': function('shiftwidth'),
+      \ 'continuation-line': function('shiftwidth'),
+      \ 'case-labels': function('shiftwidth'),
+      \ 'case-statements': function('shiftwidth'),
       \ 'case-breaks': 0 }
 
 function! s:indent_value(option)
@@ -110,6 +108,9 @@
     let ind -= s:indent_value('case-breaks')
   elseif s:is_here_doc(line)
     let ind = 0
+  " statements, executed within a here document. Keep the current indent
+  elseif match(map(synstack(v:lnum, 1), 'synIDattr(v:val, "name")'), '\c\mheredoc') > -1
+    return indent(v:lnum)
   endif
 
   return ind
diff --git a/runtime/indent/tex.vim b/runtime/indent/tex.vim
index 0150bb9..fc6cc0a 100644
--- a/runtime/indent/tex.vim
+++ b/runtime/indent/tex.vim
@@ -1,8 +1,8 @@
 " Vim indent file
 " Language:     LaTeX
-" Maintainer:   YiChao Zhou <broken.zhou AT gmail.com>
+" Maintainer:   Yichao Zhou <broken.zhou AT gmail.com>
 " Created:      Sat, 16 Feb 2002 16:50:19 +0100
-" Version: 0.9.2
+" Version: 0.9.4
 "   Please email me if you found something I can do.  Comments, bug report and
 "   feature request are welcome.
 
@@ -15,49 +15,53 @@
 "               2005/06/15, Moshe Kaminsky <kaminsky AT math.huji.ac.il>
 "               (*) New variables:
 "                   g:tex_items, g:tex_itemize_env, g:tex_noindent_env
-"               2011/3/6, by Zhou YiChao <broken.zhou AT gmail.com>
+"               2011/3/6, by Yichao Zhou <broken.zhou AT gmail.com>
 "               (*) Don't change indentation of lines starting with '%'
 "                   I don't see any code with '%' and it doesn't work properly
 "                   so I add some code.
 "               (*) New features: Add smartindent-like indent for "{}" and  "[]".
 "               (*) New variables: g:tex_indent_brace
-"               2011/9/25, by Zhou Yichao <broken.zhou AT gmail.com>
+"               2011/9/25, by Yichao Zhou <broken.zhou AT gmail.com>
 "               (*) Bug fix: smartindent-like indent for "[]"
 "               (*) New features: Align with "&".
 "               (*) New variable: g:tex_indent_and.
-"               2011/10/23 by Zhou Yichao <broken.zhou AT gmail.com>
+"               2011/10/23 by Yichao Zhou <broken.zhou AT gmail.com>
 "               (*) Bug fix: improve the smartindent-like indent for "{}" and
 "               "[]".
-"               2012/02/27 by Zhou Yichao <broken.zhou AT gmail.com>
+"               2012/02/27 by Yichao Zhou <broken.zhou AT gmail.com>
 "               (*) Bug fix: support default folding marker.
 "               (*) Indent with "&" is not very handy.  Make it not enable by
 "               default.
-"               2012/03/06 by Zhou Yichao <broken.zhou AT gmail.com>
+"               2012/03/06 by Yichao Zhou <broken.zhou AT gmail.com>
 "               (*) Modify "&" behavior and make it default again.  Now "&"
 "               won't align when there are more then one "&" in the previous
 "               line.
 "               (*) Add indent "\left(" and "\right)"
 "               (*) Trust user when in "verbatim" and "lstlisting"
-"               2012/03/11 by Zhou Yichao <broken.zhou AT gmail.com>
+"               2012/03/11 by Yichao Zhou <broken.zhou AT gmail.com>
 "               (*) Modify "&" so that only indent when current line start with
 "                   "&".
-"               2012/03/12 by Zhou Yichao <broken.zhou AT gmail.com>
+"               2012/03/12 by Yichao Zhou <broken.zhou AT gmail.com>
 "               (*) Modify indentkeys.
-"               2012/03/18 by Zhou Yichao <broken.zhou AT gmail.com>
+"               2012/03/18 by Yichao Zhou <broken.zhou AT gmail.com>
 "               (*) Add &cpo
-"               2013/05/02 by Zhou Yichao <broken.zhou AT gmail.com>
+"               2013/05/02 by Yichao Zhou <broken.zhou AT gmail.com>
 "               (*) Fix problem about GetTeXIndent checker. Thank Albert Netymk
 "                   for reporting this.
-"               2014/06/23 by Zhou Yichao <broken.zhou AT gmail.com>
+"               2014/06/23 by Yichao Zhou <broken.zhou AT gmail.com>
 "               (*) Remove the feature g:tex_indent_and because it is buggy.
 "               (*) If there is not any obvious indentation hints, we do not
 "                   alert our user's current indentation.
 "               (*) g:tex_indent_brace now only works if the open brace is the
 "                   last character of that line.
-"               2014/08/03 by Zhou Yichao <broken.zhou AT gmail.com>
+"               2014/08/03 by Yichao Zhou <broken.zhou AT gmail.com>
 "               (*) Indent current line if last line has larger indentation
-"               2014/08/09 by Zhou Yichao <broken.zhou AT gmail.com>
-"               (*) Add missing return value for s:GetEndIndentation(...)
+"               2016/11/08 by Yichao Zhou <broken.zhou AT gmail.com>
+"               (*) Fix problems for \[ and \].  Thanks Bruno for reporting.
+"               2017/04/30 by Yichao Zhou <broken.zhou AT gmail.com>
+"               (*) Fix a bug between g:tex_noindent_env and g:tex_indent_items
+"                   Now g:tex_noindent_env='document\|verbatim\|itemize' (Emacs
+"                   style) is supported.  Thanks Miles Wheeler for reporting.
 "
 " }}}
 
@@ -81,44 +85,44 @@
 "         % Example 2
 "         \tikzexternalize[
 "           prefix=tikz]
-"   
+"
 " * g:tex_indent_items
 "
 "   If this variable is set, item-environments are indented like Emacs does
 "   it, i.e., continuation lines are indented with a shiftwidth.
-"   
+"
 "   NOTE: I've already set the variable below; delete the corresponding line
 "   if you don't like this behaviour.
 "
 "   Per default, it is unset.
-"   
+"
 "              set                                unset
 "   ----------------------------------------------------------------
-"       \begin{itemize}                      \begin{itemize}  
+"       \begin{itemize}                      \begin{itemize}
 "         \item blablabla                      \item blablabla
-"           bla bla bla                        bla bla bla  
+"           bla bla bla                        bla bla bla
 "         \item blablabla                      \item blablabla
-"           bla bla bla                        bla bla bla  
-"       \end{itemize}                        \end{itemize}    
+"           bla bla bla                        bla bla bla
+"       \end{itemize}                        \end{itemize}
 "
 "
 " * g:tex_items
 "
-"   A list of tokens to be considered as commands for the beginning of an item 
-"   command. The tokens should be separated with '\|'. The initial '\' should 
+"   A list of tokens to be considered as commands for the beginning of an item
+"   command. The tokens should be separated with '\|'. The initial '\' should
 "   be escaped. The default is '\\bibitem\|\\item'.
 "
 " * g:tex_itemize_env
-" 
-"   A list of environment names, separated with '\|', where the items (item 
-"   commands matching g:tex_items) may appear. The default is 
+"
+"   A list of environment names, separated with '\|', where the items (item
+"   commands matching g:tex_items) may appear. The default is
 "   'itemize\|description\|enumerate\|thebibliography'.
 "
 " * g:tex_noindent_env
 "
-"   A list of environment names. separated with '\|', where no indentation is 
+"   A list of environment names. separated with '\|', where no indentation is
 "   required. The default is 'document\|verbatim'.
-" }}} 
+" }}}
 
 " Only define the function once
 if exists("b:did_indent")
@@ -146,7 +150,7 @@
         let g:tex_itemize_env = 'itemize\|description\|enumerate\|thebibliography'
     endif
     if !exists('g:tex_items')
-        let g:tex_items = '\\bibitem\|\\item' 
+        let g:tex_items = '\\bibitem\|\\item'
     endif
 else
     let g:tex_items = ''
@@ -177,7 +181,7 @@
 
     " At the start of the file use zero indent.
     if lnum == 0
-        return 0 
+        return 0
     endif
 
     let line = substitute(getline(lnum), '\s*%.*', '','g')     " last line
@@ -191,9 +195,9 @@
             return indent(v:lnum)
         end
     endif
-    
+
     if lnum == 0
-        return 0 
+        return 0
     endif
 
     let ind = indent(lnum)
@@ -206,12 +210,14 @@
 
     " Add a 'shiftwidth' after beginning of environments.
     " Don't add it for \begin{document} and \begin{verbatim}
-    ""if line =~ '^\s*\\begin{\(.*\)}'  && line !~ 'verbatim' 
+    " if line =~ '^\s*\\begin{\(.*\)}'  && line !~ 'verbatim'
     " LH modification : \begin does not always start a line
     " ZYC modification : \end after \begin won't cause wrong indent anymore
-    if line =~ '\\begin{.*}' && line !~ g:tex_noindent_env
-        let ind = ind + &sw
-        let stay = 0
+    if line =~ '\\begin{.*}' 
+        if line !~ g:tex_noindent_env
+            let ind = ind + &sw
+            let stay = 0
+        endif
 
         if g:tex_indent_items
             " Add another sw for item-environments
@@ -245,29 +251,27 @@
     endif
 
     if g:tex_indent_brace
-        let char = line[strlen(line)-1]
-        if char == '[' || char == '{'
+        if line =~ '[[{]$'
             let ind += &sw
             let stay = 0
         endif
 
-        let cind = indent(v:lnum)
-        let char = cline[cind]
-        if (char == ']' || char == '}') &&
-                    \ s:CheckPairedIsLastCharacter(v:lnum, cind)
+        if cline =~ '^\s*\\\?[\]}]' && s:CheckPairedIsLastCharacter(v:lnum, indent(v:lnum))
             let ind -= &sw
             let stay = 0
         endif
 
-        for i in range(indent(lnum)+1, strlen(line)-1)
-            let char = line[i]
-            if char == ']' || char == '}'
-                if s:CheckPairedIsLastCharacter(lnum, i)
-                    let ind -= &sw
-                    let stay = 0
+        if line !~ '^\s*\\\?[\]}]'
+            for i in range(indent(lnum)+1, strlen(line)-1)
+                let char = line[i]
+                if char == ']' || char == '}'
+                    if s:CheckPairedIsLastCharacter(lnum, i)
+                        let ind -= &sw
+                        let stay = 0
+                    endif
                 endif
-            endif
-        endfor
+            endfor
+        endif
     endif
 
     " Special treatment for 'item'
@@ -309,12 +313,12 @@
             let matchend -= 1
         endif
         if matchend == 0
-            if line =~ g:tex_itemize_env
-                return indent(lnum) + 2 * &sw
-            endif
             if line =~ g:tex_noindent_env
                 return indent(lnum)
             endif
+            if line =~ g:tex_itemize_env
+                return indent(lnum) + 2 * &sw
+            endif
             return indent(lnum) + &sw
         endif
     endfor
@@ -348,12 +352,15 @@
 
 " Most of the code is from matchparen.vim
 function! s:CheckPairedIsLastCharacter(lnum, col) "{{{
-    " Get the character under the cursor and check if it's in 'matchpairs'.
     let c_lnum = a:lnum
     let c_col = a:col+1
 
+    let line = getline(c_lnum)
+    if line[c_col-1] == '\'
+        let c_col = c_col + 1
+    endif
+    let c = line[c_col-1]
 
-    let c = getline(c_lnum)[c_col-1]
     let plist = split(&matchpairs, '.\zs[:,]')
     let i = index(plist, c)
     if i < 0
diff --git a/runtime/pack/dist/opt/matchit/doc/matchit.txt b/runtime/pack/dist/opt/matchit/doc/matchit.txt
index 935370f..ea6fd11 100644
--- a/runtime/pack/dist/opt/matchit/doc/matchit.txt
+++ b/runtime/pack/dist/opt/matchit/doc/matchit.txt
@@ -4,7 +4,7 @@
 	:help matchit-install
 inside Vim.
 
-For Vim version 6.3.  Last change:  2016 Mar 28
+For Vim version 6.3.  Last change:  2017 May 14
 
 
 		  VIM REFERENCE MANUAL    by Benji Fisher
@@ -242,7 +242,7 @@
 	In LaTeX, since "%" is used as the comment character, you can >
 		:let b:match_skip = 'r:%'
 <	Unfortunately, this will skip anything after "\%", an escaped "%".  To
-	allow for this, and also "\\%" (an excaped backslash followed by the
+	allow for this, and also "\\%" (an escaped backslash followed by the
 	comment character) you can >
 		:let b:match_skip = 'r:\(^\|[^\\]\)\(\\\\\)*%'
 <
@@ -392,7 +392,8 @@
 The various |:vmap|s defined in the script (%, |g%|, |[%|, |]%|, |a%|) may
 have undesired effects in Select mode |Select-mode-mapping|.  At least, if you
 want to replace the selection with any character in "ag%[]" there will be a
-pause of |'updatetime'| first.
+pause of |'updatetime'| first. E.g., "yV%" would normally work linewise, but
+the plugin mapping makes it characterwise.
 
 It would be nice if "\0" were recognized as the entire pattern.  That is, it
 would be nice if "foo:\end\0" had the same effect as "\(foo\):\end\1".  I may
diff --git a/runtime/syntax/c.vim b/runtime/syntax/c.vim
index 16c7ce4..f659a87 100644
--- a/runtime/syntax/c.vim
+++ b/runtime/syntax/c.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:	C
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2016 Nov 18
+" Last Change:	2017 Apr 30
 
 " Quit when a (custom) syntax file was already loaded
 if exists("b:current_syntax")
@@ -311,44 +311,32 @@
     syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX
     syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX
   endif
-  syn keyword cConstant FLT_RADIX FLT_ROUNDS
-  syn keyword cConstant FLT_DIG FLT_MANT_DIG FLT_EPSILON
-  syn keyword cConstant DBL_DIG DBL_MANT_DIG DBL_EPSILON
-  syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON
-  syn keyword cConstant FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP
-  syn keyword cConstant FLT_MIN_10_EXP FLT_MAX_10_EXP
-  syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP
-  syn keyword cConstant DBL_MIN_10_EXP DBL_MAX_10_EXP
-  syn keyword cConstant LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP
-  syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP
-  syn keyword cConstant HUGE_VAL CLOCKS_PER_SEC NULL
-  syn keyword cConstant LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY
-  syn keyword cConstant LC_NUMERIC LC_TIME
-  syn keyword cConstant SIG_DFL SIG_ERR SIG_IGN
-  syn keyword cConstant SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM
+  syn keyword cConstant FLT_RADIX FLT_ROUNDS FLT_DIG FLT_MANT_DIG FLT_EPSILON DBL_DIG DBL_MANT_DIG DBL_EPSILON
+  syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP FLT_MIN_10_EXP FLT_MAX_10_EXP
+  syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP DBL_MIN_10_EXP DBL_MAX_10_EXP LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP
+  syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP HUGE_VAL CLOCKS_PER_SEC NULL LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY
+  syn keyword cConstant LC_NUMERIC LC_TIME SIG_DFL SIG_ERR SIG_IGN SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM
   " Add POSIX signals as well...
-  syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP
-  syn keyword cConstant SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV
-  syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU
-  syn keyword cConstant SIGUSR1 SIGUSR2
-  syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF
-  syn keyword cConstant FOPEN_MAX FILENAME_MAX L_tmpnam
-  syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET
-  syn keyword cConstant TMP_MAX stderr stdin stdout
-  syn keyword cConstant EXIT_FAILURE EXIT_SUCCESS RAND_MAX
+  syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV
+  syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU SIGUSR1 SIGUSR2
+  syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF FOPEN_MAX FILENAME_MAX L_tmpnam
+  syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET TMP_MAX stderr stdin stdout EXIT_FAILURE EXIT_SUCCESS RAND_MAX
   " POSIX 2001
-  syn keyword cConstant SIGBUS SIGPOLL SIGPROF SIGSYS SIGURG
-  syn keyword cConstant SIGVTALRM SIGXCPU SIGXFSZ
+  syn keyword cConstant SIGBUS SIGPOLL SIGPROF SIGSYS SIGURG SIGVTALRM SIGXCPU SIGXFSZ
   " non-POSIX signals
   syn keyword cConstant SIGWINCH SIGINFO
-  " Add POSIX errors as well
-  syn keyword cConstant E2BIG EACCES EAGAIN EBADF EBADMSG EBUSY
-  syn keyword cConstant ECANCELED ECHILD EDEADLK EDOM EEXIST EFAULT
-  syn keyword cConstant EFBIG EILSEQ EINPROGRESS EINTR EINVAL EIO EISDIR
-  syn keyword cConstant EMFILE EMLINK EMSGSIZE ENAMETOOLONG ENFILE ENODEV
-  syn keyword cConstant ENOENT ENOEXEC ENOLCK ENOMEM ENOSPC ENOSYS
-  syn keyword cConstant ENOTDIR ENOTEMPTY ENOTSUP ENOTTY ENXIO EPERM
-  syn keyword cConstant EPIPE ERANGE EROFS ESPIPE ESRCH ETIMEDOUT EXDEV
+  " Add POSIX errors as well.  List comes from:
+  " http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
+  syn keyword cConstant E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EAFNOSUPPORT EAGAIN EALREADY EBADF
+  syn keyword cConstant EBADMSG EBUSY ECANCELED ECHILD ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK
+  syn keyword cConstant EDESTADDRREQ EDOM EDQUOT EEXIST EFAULT EFBIG EHOSTUNREACH EIDRM EILSEQ
+  syn keyword cConstant EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE
+  syn keyword cConstant EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA
+  syn keyword cConstant ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENOPROTOOPT ENOSPC ENOSR
+  syn keyword cConstant ENOSTR ENOSYS ENOTCONN ENOTDIR ENOTEMPTY ENOTRECOVERABLE ENOTSOCK ENOTSUP
+  syn keyword cConstant ENOTTY ENXIO EOPNOTSUPP EOVERFLOW EOWNERDEAD EPERM EPIPE EPROTO
+  syn keyword cConstant EPROTONOSUPPORT EPROTOTYPE ERANGE EROFS ESPIPE ESRCH ESTALE ETIME ETIMEDOUT
+  syn keyword cConstant ETXTBSY EWOULDBLOCK EXDEV
   " math.h
   syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4
   syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2
diff --git a/runtime/syntax/sbt.vim b/runtime/syntax/sbt.vim
new file mode 100644
index 0000000..cbf73be
--- /dev/null
+++ b/runtime/syntax/sbt.vim
@@ -0,0 +1,32 @@
+" Vim syntax file
+" Language:    sbt
+" Maintainer:  Steven Dobay <stevendobay at protonmail.com>
+" Last Change: 2017.04.30
+
+if exists("b:current_syntax")
+  finish
+endif
+
+runtime! syntax/scala.vim
+
+syn region sbtString start="\"[^"]" skip="\\\"" end="\"" contains=sbtStringEscape
+syn match sbtStringEscape "\\u[0-9a-fA-F]\{4}" contained
+syn match sbtStringEscape "\\[nrfvb\\\"]" contained
+
+syn match sbtIdentitifer "^\S\+\ze\s*\(:=\|++=\|+=\|<<=\|<+=\)"
+syn match sbtBeginningSeq "^[Ss]eq\>"
+
+syn match sbtSpecial "\(:=\|++=\|+=\|<<=\|<+=\)"
+
+syn match sbtLineComment "//.*"
+syn region sbtComment start="/\*" end="\*/"
+syn region sbtDocComment start="/\*\*" end="\*/" keepend
+
+hi link sbtString String
+hi link sbtIdentitifer Keyword
+hi link sbtBeginningSeq Keyword
+hi link sbtSpecial Special
+hi link sbtComment Comment
+hi link sbtLineComment Comment
+hi link sbtDocComment Comment
+