diff --git a/runtime/doc/autocmd.txt b/runtime/doc/autocmd.txt
index 364670a..b9d23b3 100644
--- a/runtime/doc/autocmd.txt
+++ b/runtime/doc/autocmd.txt
@@ -1,4 +1,4 @@
-*autocmd.txt*   For Vim version 7.3.  Last change: 2013 Mar 19
+*autocmd.txt*   For Vim version 7.3.  Last change: 2013 May 19
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 2114ff4..f7cc93b 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 7.3.  Last change: 2013 May 17
+*eval.txt*	For Vim version 7.3.  Last change: 2013 May 21
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1297,7 +1297,7 @@
 					*v:char* *char-variable*
 v:char		Argument for evaluating 'formatexpr' and used for the typed
 		character when using <expr> in an abbreviation |:map-<expr>|.
-		It is also used by the |InsertCharPre| event.
+		It is also used by the |InsertCharPre| and |InsertEnter| events.
 
 			*v:charconvert_from* *charconvert_from-variable*
 v:charconvert_from
@@ -4639,7 +4639,7 @@
 		This can be used to avoid some things that would remove the
 		popup menu.
 
-							*E860* *E861*
+							*E860*
 py3eval({expr})						*py3eval()*
 		Evaluate Python expression {expr} and return its result
 		converted to Vim data structures.
diff --git a/runtime/doc/if_pyth.txt b/runtime/doc/if_pyth.txt
index 91292ea..206cdf0 100644
--- a/runtime/doc/if_pyth.txt
+++ b/runtime/doc/if_pyth.txt
@@ -1,4 +1,4 @@
-*if_pyth.txt*   For Vim version 7.3.  Last change: 2013 May 17
+*if_pyth.txt*   For Vim version 7.3.  Last change: 2013 May 21
 
 
 		  VIM REFERENCE MANUAL    by Paul Moore
diff --git a/runtime/doc/indent.txt b/runtime/doc/indent.txt
index 022e212..0dd632b 100644
--- a/runtime/doc/indent.txt
+++ b/runtime/doc/indent.txt
@@ -1,4 +1,4 @@
-*indent.txt*    For Vim version 7.3.  Last change: 2012 Aug 30
+*indent.txt*    For Vim version 7.3.  Last change: 2013 May 20
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -740,12 +740,12 @@
     :%s /\r$//g
 
 Or, you can simply |:let| the variable PHP_removeCRwhenUnix to 1 and the
-script will silently remove them when Vim loads a PHP file (at each|BufRead|).
+script will silently remove them when Vim loads a PHP file (at each |BufRead|).
 
 OPTIONS: ~
 
 PHP indenting can be altered in several ways by modifying the values of some
-variables:
+global variables:
 
 								*php-comment*
 To not enable auto-formating of comments by default (if you want to use your
@@ -753,10 +753,21 @@
     :let g:PHP_autoformatcomment = 0
 
 Else, 't' will be removed from the 'formatoptions' string and "qrowcb" will be
-added, see|fo-table|for more information.
+added, see |fo-table| for more information.
 -------------
 
-To add an extra indent to every PHP lines with N being the number of
+To add extra indentation to single-line comments: >
+    :let g:PHP_outdentSLComments = N
+
+With N being the number of 'shiftwidth' to add.
+
+Only single-line comments will be affected such as: >
+    # Comment
+    // Comment
+    /* Comment */
+-------------
+
+To add extra indentation to every PHP lines with N being the number of
 'shiftwidth' to add: >
     :let g:PHP_default_indenting = N
 
@@ -772,7 +783,7 @@
 
 	$command_hist = TRUE;
     ?>
-(Notice the extra indent between the PHP container markers and the code)
+(Notice the extra indentation between the PHP container markers and the code)
 -------------
 
 To indent PHP tags as the surrounding code: >
@@ -804,8 +815,10 @@
 To indent 'case:' and 'default:' statements in switch() blocks: >
     :let g:PHP_vintage_case_default_indent = 1
 
-(Since in PHP braces are not required inside 'case/default' blocks, by default they are indented at the same level than the 'switch()' to avoid
-unnecessary indentation)
+In PHP braces are not required inside 'case/default' blocks therefore 'case:'
+and 'default:' are indented at the same level than the 'switch()' to avoid
+meaningless indentation. You can use the above option to return to the
+traditional way.
 
 
 PYTHON							*ft-python-indent*
diff --git a/runtime/doc/mbyte.txt b/runtime/doc/mbyte.txt
index 6164793..8ae023b 100644
--- a/runtime/doc/mbyte.txt
+++ b/runtime/doc/mbyte.txt
@@ -1,4 +1,4 @@
-*mbyte.txt*     For Vim version 7.3.  Last change: 2012 Oct 06
+*mbyte.txt*     For Vim version 7.3.  Last change: 2013 May 18
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar et al.
@@ -48,9 +48,9 @@
 If you already have a compiled Vim program, check if the |+multi_byte| feature
 is included.  The |:version| command can be used for this.
 
-If +multi_byte is not included, you should compile Vim with "big" features.
-You can further tune what features are included.  See the INSTALL files in the
-source directory.
+If +multi_byte is not included, you should compile Vim with "normal", "big" or
+"huge" features.  You can further tune what features are included.  See the
+INSTALL files in the source directory.
 
 
 LOCALE
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 63ac16d..98f22dd 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 7.3.  Last change: 2013 Apr 27
+*options.txt*	For Vim version 7.3.  Last change: 2013 May 17
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -5516,6 +5516,19 @@
 	matches will be highlighted.  This is used to avoid that Vim hangs
 	when using a very complicated pattern.
 
+						*'regexpengine''* *'re'*
+'regexpengine' 're'	number	(default 0)
+			global
+			{not in Vi}
+	This selects the default regexp engine. |two-engines|
+	The possible values are:
+		0	automatic selection
+		1	old engine
+		2	NFA engine
+	Note that when using the NFA engine and the pattern contains something
+	that is not supported the pattern will not match.  This is only useful
+	for debugging the regexp engine.
+
 		*'relativenumber'* *'rnu'* *'norelativenumber'* *'nornu'*
 'relativenumber' 'rnu'	boolean	(default off)
 			local to window
diff --git a/runtime/doc/pi_netrw.txt b/runtime/doc/pi_netrw.txt
index 9851564..4d810ea 100644
--- a/runtime/doc/pi_netrw.txt
+++ b/runtime/doc/pi_netrw.txt
@@ -1,4 +1,4 @@
-*pi_netrw.txt*  For Vim version 7.3.  Last change: 2013 Apr 19
+*pi_netrw.txt*  For Vim version 7.3.  Last change: 2013 May 18
 
 	    ------------------------------------------------
 	    NETRW REFERENCE MANUAL    by Charles E. Campbell
@@ -146,13 +146,13 @@
 <
 Windows' ftp doesn't support .netrc; however, one may have in one's .vimrc:  >
 
-   let g:netrw_ftp_cmd= 'c:\Windows\System32\ftp -s:C:\Users\Myself\MACHINE'
+   let g:netrw_ftp_cmd= 'c:\Windows\System32\ftp -s:C:\Users\MyUserName\MACHINE'
 <
-Netrw will substitute the host's machine name for MACHINE from the url it is
+Netrw will substitute the host's machine name for "MACHINE" from the url it is
 attempting to open, and so one may specify >
 	userid
 	password
-for each site in a separate file in c:\Users\Myself\.
+for each site in a separate file: c:\Users\MyUserName\MachineName.
 
 Now about browsing -- when you just want to look around before editing a
 file.  For browsing on your current host, just "edit" a directory: >
@@ -321,6 +321,8 @@
 	:call NetUserPass("uid")		-- prompts for password
 	:call NetUserPass("uid","password")	-- sets global uid and password
 
+(Related topics: |ftp| |netrw-userpass| |netrw-start|)
+
 NETRW VARIABLES AND SETTINGS				*netrw-variables* {{{2
     (Also see:
     |netrw-browser-var|     : netrw browser option variables
@@ -927,6 +929,7 @@
      endfunction
     endif
 >
+(Related topics: |ftp| |netrw-userpass| |netrw-start|)
 
 ==============================================================================
 9. Browsing		*netrw-browsing* *netrw-browse* *netrw-help* {{{1
@@ -2125,6 +2128,10 @@
 				NOTE: suppressing the banner is a new feature
 				which may cause problems.
 
+  *g:netrw_bannerbackslash*	if this variable exists and is not zero, the
+				banner will be displayed with backslashes
+				rather than forward slashes.
+
   *g:netrw_browse_split*	when browsing, <cr> will open the file by:
 				=0: re-using the same window
 				=1: horizontally splitting the window first
@@ -2306,14 +2313,14 @@
 				Copies marked files (|netrw-mf|) to target
 				directory (|netrw-mt|, |netrw-mc|)
 
+  *g:netrw_localmkdir*		command for making a local directory
+				 default: "mkdir"
+
   *g:netrw_localmovecmd*	="mv" Linux/Unix/MacOS/Cygwin
 				="move" Windows
 				Moves marked files (|netrw-mf|) to target
 				directory (|netrw-mt|, |netrw-mm|)
 
-  *g:netrw_localmkdir*		command for making a local directory
-				 default: "mkdir"
-
   *g:netrw_localrmdir*		remove directory command (rmdir)
 				 default: "rmdir"
 
@@ -2416,11 +2423,6 @@
 <				into one's <.vimrc> to use one's own
 				preferences.
 
-  *g:netrw_ssh_cmd*		One may specify an executable command
-				to use instead of ssh for remote actions
-				such as listing, file removal, etc.
-				 default: ssh
-
   *g:netrw_ssh_browse_reject*	ssh can sometimes produce unwanted lines,
 				messages, banners, and whatnot that one doesn't
 				want masquerading as "directories" and "files".
@@ -2428,6 +2430,11 @@
 				messages.  By default its value is:
 					 '^total\s\+\d\+$'
 
+  *g:netrw_ssh_cmd*		One may specify an executable command
+				to use instead of ssh for remote actions
+				such as listing, file removal, etc.
+				 default: ssh
+
 
   *g:netrw_tmpfile_escape*	=' &;'
 				escape() is applied to all temporary files
@@ -2990,6 +2997,19 @@
 ==============================================================================
 12. History						*netrw-history* {{{1
 
+	v149:	Apr 18, 2013	* in wide listing format, now have maps for
+				  w and b to move to next/previous file
+		Apr 26, 2013	* one may now copy files in the same
+				  directory; netrw will issue requests for
+				  what names the files should be copied under
+		Apr 29, 2013	* Trying Benzinger's problem again.  Seems
+				  that commenting out the BufEnter and
+				  installing VimEnter (only) works.  Weird
+				  problem!  (tree listing, vim -O Dir1 Dir2)
+		May 01, 2013	* :Explore ftp://... wasn't working.  Fixed.
+		May 02, 2013	* introduced |g:netrw_bannerbackslash| as
+				  requested by Paul Domaskis.
+		May 18, 2013	* More fixes for windows (not cygwin)
 	v148:	Apr 16, 2013	* changed Netrw's Style menu to allow direct
 				  choice of listing style, hiding style, and
 				  sorting style
diff --git a/runtime/doc/quickref.txt b/runtime/doc/quickref.txt
index 2688985..ebb87cd 100644
--- a/runtime/doc/quickref.txt
+++ b/runtime/doc/quickref.txt
@@ -1,4 +1,4 @@
-*quickref.txt*  For Vim version 7.3.  Last change: 2013 Apr 05
+*quickref.txt*  For Vim version 7.3.  Last change: 2013 May 20
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -824,6 +824,7 @@
 'quoteescape'	  'qe'	    escape characters used in a string
 'readonly'	  'ro'	    disallow writing the buffer
 'redrawtime'	  'rdt'     timeout for 'hlsearch' and |:match| highlighting
+'regexpengine'	  're'	    default regexp engine to use
 'relativenumber'  'rnu'	    show relative line number in front of each line
 'remap'			    allow mappings to work recursively
 'report'		    threshold for reporting nr. of lines changed
diff --git a/runtime/doc/starting.txt b/runtime/doc/starting.txt
index 84dc78b..86fb491 100644
--- a/runtime/doc/starting.txt
+++ b/runtime/doc/starting.txt
@@ -1,4 +1,4 @@
-*starting.txt*  For Vim version 7.3.  Last change: 2012 Mar 16
+*starting.txt*  For Vim version 7.3.  Last change: 2013 May 20
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -438,6 +438,8 @@
 		option should be used when Vim is started by a program that
 		will wait for the edit session to finish (e.g., mail or
 		readnews).  See |amiga-window|.
+
+		MS-Windows: This option is not always supported.
 		{not in Vi}
 
 
diff --git a/runtime/doc/tags b/runtime/doc/tags
index 2f40a4c..df53a50 100644
--- a/runtime/doc/tags
+++ b/runtime/doc/tags
@@ -4261,7 +4261,6 @@
 E859	eval.txt	/*E859*
 E86	windows.txt	/*E86*
 E860	eval.txt	/*E860*
-E861	eval.txt	/*E861*
 E862	eval.txt	/*E862*
 E863	if_pyth.txt	/*E863*
 E864	pattern.txt	/*E864*
@@ -5903,6 +5902,7 @@
 g:netrw_alto	pi_netrw.txt	/*g:netrw_alto*
 g:netrw_altv	pi_netrw.txt	/*g:netrw_altv*
 g:netrw_banner	pi_netrw.txt	/*g:netrw_banner*
+g:netrw_bannerbackslash	pi_netrw.txt	/*g:netrw_bannerbackslash*
 g:netrw_browse_split	pi_netrw.txt	/*g:netrw_browse_split*
 g:netrw_browsex_viewer	pi_netrw.txt	/*g:netrw_browsex_viewer*
 g:netrw_bufsettings	pi_netrw.txt	/*g:netrw_bufsettings*
diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index 8b417de..5dd5798 100644
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -1,4 +1,4 @@
-*todo.txt*      For Vim version 7.3.  Last change: 2013 May 17
+*todo.txt*      For Vim version 7.3.  Last change: 2013 May 21
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -34,8 +34,18 @@
 							*known-bugs*
 -------------------- Known bugs and current work -----------------------
 
+Rename src/Makefile and create a new one like toplevel Makefile that creates
+auto/config.mk when it's not there? (Ben Schmidt, 2011 Feb 11)
+
 --- Python interface
 
+Python: thread with refactoring patches. (ZyX, May 19, 16:46 and later)
+9
+10
+11
+
+Configure doesn't find Python 3 on Ubuntu 13.04. (Ken Takata, Apr 13)
+
 Python SystemExit exception is not handled properly.  Patch to catch the
 exception and give an error. (Yasuhiro Matsumoto)
 Does not work, tests fail.
@@ -45,9 +55,10 @@
 Patch no longer applies.
 
 ":python os.chdir('/tmp')" makes short buffer names invalid. (Xavier de Gaye)
-Check directory and call shorten_fnames()?  Better: make os.chdir()
-invoke the interal :cd implementation, that takes care of all side
-effects.
+Patch to make os.chdir() handle side effects. (Xavier de Gaye, 2013 May 17)
+Update May 19, also for os.fchdir().
+Adds a $VIMRUNTIME/python directory.
+ZyX: OK to add python and python3 directory.
 
 Mac: OS/X 10.4 with Python 2.5 installed: configure finds an extra argument
 that breaks the build. (Brian Victor, 2008 Sep 1)
@@ -65,34 +76,74 @@
 --- runtime files
 
 Syntax file for protocol buffers. (Feng Xiao, 2013 May 9)
-Has an ugly copyright notice.  No conflict with Vim license?
+Has an ugly copyright notice.
+Add statement that it does not conflict with Vim license.
 
 Patch for JavaScript syntax. (Kevin Locke, 2013 May 9)
 Claudio didn't respond yet.
 
 --- Fast regexp engine
 
-Including NFA regexp code.  Latest version probably is:
-https://code.google.com/p/vim-soc2008-regexp/source/browse/trunk/vim72-re/src/regexp_nfa.c
-Patch updated by Ken Takata. (May 13)
+Duplicate condition in line 1094. (Ken Takata)  Should be 'r'?
 
-To be able to run tests:
-- set defaultre=old / nfa / auto
-- In pattern use "\%#= to set the engine: 0 = automatic, 1 = old 2 = nfa
+Multi-byte problem? Marc Weber
+    echo matchlist('1', '\%#=1\o{\?Ä\Z')
+    echo matchlist('1', '\%#=2\o{\?Ä\Z')
+
+Difference in matching this pattern: (Marc Weber)
+   echo matchlist("t", '\%#=1ú\Z')
+   echo matchlist("t", '\%#=2ú\Z')
+
+Difference in matching this pattern:
+    echo matchlist('google', '\%#=1\<go*\|go')
+    echo matchlist('google', '\%#=2\<go*\|go')
+
+Difference in matching this pattern: (Marc Weber)
+  echo matchlist("\na", '\%#=1\_F')
+  echo matchlist("\na", '\%#=0\_F')
+  echo matchlist("\na", '\%#=2\_F')
+
+Don't set curbuf, use reg_buf.
+
+Estimation of number of items is wrong, can be much larger.
+When running out of space, retry with more space?
+
+nfa_regcomp() should not use nstate_max but the actual number of states for
+allocating the prog?
 
 Get example files for many languages. Compare syntax highlighting with old and
 new regexp, find regexp constructs where NFA does not work correctly.
-Idea for comparing output: use format.vim (ZyX, 2013 May 12)
-MakeSynChk from Charles Campbell. (May 14)
+source ~/vim/regexp/runold.vim  to update the "old" files.
+source ~/vim/regexp/runnew.vim  to update the "new" files
+source ~/vim/regexp/diff.vim    to find differences
+Diffs in these files:
+- csh02: line 2, "13" is not highlighted after -misc-fixed-bold-r-normal-
+  as cshNumber
+- csh02: line 7, similar problem.
+- tst28.tex line 8 \alpha in texStatement instead of texGreek
 
+It's very slow compared to the old engine...
 Performance tests:
-- ~/vim/test/veryslow.js (file from Daniel Fetchinson)
+- ~/vim/test/veryslow.js  display last line (file from Daniel Fetchinson)
 - ~/vim/test/slowsearch
 - ~/vim/test/rgb.vim
 - ~/vim/text/FeiqCfg.xml (file from Netjune)
 - ~/vim/text/edl.svg  (also XML)
 - search for  a.*e*exn  in the vim executable.  Go to last line to use
   'hlsearch'.
+- Slow combination of folding and PHP syntax highlighting.  Script to
+  reproduce it.  Caused by "syntax sync fromstart" in combination with patch
+  7.2.274.  (Christian Brabandt, 2010 May 27) Generally, folding with
+  'foldmethod' set to "syntax" is slow.  Do profiling to find out why.
+- Does not use any of the optimizations, such as required start pattern.
+- When lists are empty in nfa_regmatch() and match is true, it keeps looping
+  without doing anything.
+
+"\ze" is currently disabled for NFA, can this be fixed?
+
+"\_[0-9]\?\>" does not match at end of line, disabled.
+
+Items with \%u, \%x, \%o, \%d do not work with the new engine.
 
 --- bug fixes
 
@@ -145,6 +196,12 @@
 'cursorline' is drawn incorrectly in diff mode. Patch by Christian Brabandt,
 2012 Apr 2.
 
+When someone does a silly thing such as setting rows and columns to 65535,
+handle the out-of-memory and set them to sane values? (jimmywang, 2013 May 17)
+
+InsertEnter doesn't prevent the cursor from moving when it goes to another
+line.
+
 --- slightly incompatible changes
 
 Patch to load ~/.vim/vimrc when ~/.vimrc isn't found. (Lech Lorens, 2013 Apr
@@ -203,9 +260,11 @@
 5)
 
 Patch to add the bufferlist() function. (Yegappan Lakshmanan, 2013 May 5)
+May 17: with winlist() and tabpagelist().
+May 19: with local variables.
 
 Patch to allow setting w:quickfix_title via setqflist() and setloclist()
-functions. (Christian Brabandt, 2013 May 8, update May 11)
+functions. (Christian Brabandt, 2013 May 8, update May 21)
 
 Patch to support 'u' in interactive substitute. (Christian Brabandt, 2012 Sep
 28)  With tests: Oct 9.
@@ -779,12 +838,6 @@
 Using ']' as the end of a range in a pattern requires double escaping:
      /[@-\\]]  (Andy Wokula, 2011 Jun 28)
 
-Slow combination of folding and PHP syntax highlighting.  Script to reproduce
-it.  Caused by "syntax sync fromstart" in combination with patch 7.2.274.
-(Christian Brabandt, 2010 May 27)
-Generally, folding with 'foldmethod' set to "syntax" is slow.  Do profiling to
-find out why.
-
 Syntax priority problem. (Charles Campbell, 2011 Sep 15)
 
 When completion inserts the first match, it may trigger the line to be folded.
@@ -1737,10 +1790,8 @@
 2010 Jun 30)
 
 
-At next release 7.4:
+At next release:
 -   Build a huge version by default.
--   Rename src/Makefile and create a new one like toplevel Makefile that
-    creates auto/config.mk when it's not there? (Ben Schmidt, 2011 Feb 11)
 -   Improve plugin handling: Automatic updates, handle dependencies?
     E.g. Vundle: https://github.com/gmarik/vundle
 
diff --git a/runtime/doc/various.txt b/runtime/doc/various.txt
index d602af6..98eaf45 100644
--- a/runtime/doc/various.txt
+++ b/runtime/doc/various.txt
@@ -1,4 +1,4 @@
-*various.txt*   For Vim version 7.3.  Last change: 2012 Dec 06
+*various.txt*   For Vim version 7.3.  Last change: 2013 May 18
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -368,7 +368,7 @@
 B  *+mouse_sgr*		Unix only: sgr mouse handling |sgr-mouse|
 B  *+mouse_urxvt*	Unix only: urxvt mouse handling |urxvt-mouse|
 N  *+mouse_xterm*	Unix only: xterm mouse handling |xterm-mouse|
-B  *+multi_byte*	16 and 32 bit characters |multibyte|
+N  *+multi_byte*	16 and 32 bit characters |multibyte|
    *+multi_byte_ime*	Win32 input method for multibyte chars |multibyte-ime|
 N  *+multi_lang*	non-English language support |multi-lang|
 m  *+mzscheme*		Mzscheme interface |mzscheme|