--- a/runtime/syntax/rhelp.vim
+++ b/runtime/syntax/rhelp.vim
@@ -2,9 +2,7 @@
 " Language:    R Help File
 " Maintainer: Jakson Aquino <jalvesaq@gmail.com>
 " Former Maintainer: Johannes Ranke <jranke@uni-bremen.de>
-" Last Change: Fri Oct 14, 2011  09:54PM
-" Version:     0.7.4
-" SVN:		   $Id: rhelp.vim 90 2010-11-22 10:58:11Z ranke $
+" Last Change: Wed Jul 09, 2014  10:28PM
 " Remarks:     - Includes R syntax highlighting in the appropriate
 "                sections if an r.vim file is in the same directory or in the
 "                default debian location.
@@ -23,6 +21,8 @@ elseif exists("b:current_syntax")
   finish
 endif 
 
+setlocal iskeyword=@,48-57,_,.
+
 syn case match
 
 " R help identifiers {{{1
@@ -51,7 +51,12 @@ syn region rhelpRcode matchgroup=Delimit
 syn region rhelpRcode matchgroup=Delimiter start="\\usage{" matchgroup=Delimiter transparent end="}" contains=@R,rhelpIdentifier,rhelpS4method
 syn region rhelpRcode matchgroup=Delimiter start="\\synopsis{" matchgroup=Delimiter transparent end="}" contains=@R
 syn region rhelpRcode matchgroup=Delimiter start="\\special{" matchgroup=Delimiter transparent end="}" contains=@R
-syn region rhelpRcode matchgroup=Delimiter start="\\code{" skip='\\\@<!{.\{-}\\\@<!}' transparent end="}" contains=@R,rhelpDots,rhelpString,rhelpSpecialChar,rhelpLink keepend
+
+if v:version > 703
+  syn region rhelpRcode matchgroup=Delimiter start="\\code{" skip='\\\@1<!{.\{-}\\\@1<!}' transparent end="}" contains=@R,rhelpDots,rhelpString,rhelpSpecialChar,rhelpLink keepend
+else
+  syn region rhelpRcode matchgroup=Delimiter start="\\code{" skip='\\\@<!{.\{-}\\\@<!}' transparent end="}" contains=@R,rhelpDots,rhelpString,rhelpSpecialChar,rhelpLink keepend
+endif
 syn region rhelpS4method matchgroup=Delimiter start="\\S4method{.*}(" matchgroup=Delimiter transparent end=")" contains=@R,rhelpDots
 syn region rhelpSexpr matchgroup=Delimiter start="\\Sexpr{" matchgroup=Delimiter transparent end="}" contains=@R
 
@@ -127,8 +132,13 @@ syn region rhelpLink matchgroup=rhelpSec
 syn region rhelpLink matchgroup=rhelpSection start="\\linkS4class{" end="}" contained keepend extend
 
 " Verbatim like {{{1
-syn region rhelpVerbatim matchgroup=rhelpType start="\\samp{" skip='\\\@<!{.\{-}\\\@<!}' end="}" contains=rhelpSpecialChar,rhelpComment
-syn region rhelpVerbatim matchgroup=rhelpType start="\\verb{" skip='\\\@<!{.\{-}\\\@<!}' end="}" contains=rhelpSpecialChar,rhelpComment
+if v:version > 703
+  syn region rhelpVerbatim matchgroup=rhelpType start="\\samp{" skip='\\\@1<!{.\{-}\\\@1<!}' end="}" contains=rhelpSpecialChar,rhelpComment
+  syn region rhelpVerbatim matchgroup=rhelpType start="\\verb{" skip='\\\@1<!{.\{-}\\\@1<!}' end="}" contains=rhelpSpecialChar,rhelpComment
+else
+  syn region rhelpVerbatim matchgroup=rhelpType start="\\samp{" skip='\\\@<!{.\{-}\\\@<!}' end="}" contains=rhelpSpecialChar,rhelpComment
+  syn region rhelpVerbatim matchgroup=rhelpType start="\\verb{" skip='\\\@<!{.\{-}\\\@<!}' end="}" contains=rhelpSpecialChar,rhelpComment
+endif
 
 " Type Styles {{{1
 syn match rhelpType		"\\emph\>"
@@ -200,6 +210,8 @@ syn match rhelpBraceError /[)}]/ contain
 syn match rhelpCurlyError /[)\]]/ contained
 syn match rhelpParenError /[\]}]/ contained
 
+syntax sync match rhelpSyncRcode grouphere rhelpRcode "\\examples{"
+
 " Define the default highlighting {{{1
 " For version 5.7 and earlier: only when not done already
 " For version 5.8 and later: only when an item doesn't have highlighting yet
@@ -233,4 +245,5 @@ if version >= 508 || !exists("did_rhelp_
 endif 
 
 let   b:current_syntax = "rhelp"
-" vim: foldmethod=marker:
+
+" vim: foldmethod=marker sw=2