diff --git a/runtime/syntax/pf.vim b/runtime/syntax/pf.vim
index 1a8f34b..81add10 100644
--- a/runtime/syntax/pf.vim
+++ b/runtime/syntax/pf.vim
@@ -2,30 +2,22 @@
 " Language:        OpenBSD packet filter configuration (pf.conf)
 " Original Author: Camiel Dobbelaar <cd@sentia.nl>
 " Maintainer:      Lauri Tirkkonen <lotheac@iki.fi>
-" Last Change:     2013 Apr 02
+" Last Change:     2016 Jul 06
 
-" For version 5.x: Clear all syntax items
-" For version 6.x: Quit when a syntax file was already loaded
-if version < 600
-  syntax clear
-elseif exists("b:current_syntax")
+if exists("b:current_syntax")
   finish
 endif
 
 setlocal foldmethod=syntax
+syn iskeyword @,48-57,_,-,+
 syn sync fromstart
 
 syn cluster	pfNotLS		contains=pfTodo,pfVarAssign
-syn keyword	pfCmd		altq anchor antispoof binat nat pass
-syn keyword	pfCmd		queue rdr scrub table set
-syn keyword	pfService	auth bgp domain finger ftp http https ident
-syn keyword	pfService	imap irc isakmp kerberos mail nameserver nfs
-syn keyword	pfService	nntp ntp pop3 portmap pptp rpcbind rsync smtp
-syn keyword	pfService	snmp snmptrap socks ssh sunrpc syslog telnet
-syn keyword	pfService	tftp www
+syn keyword	pfCmd		anchor antispoof block include match pass queue
+syn keyword	pfCmd		queue set table
+syn match	pfCmd		/^\s*load\sanchor\>/
 syn keyword	pfTodo		TODO XXX contained
 syn keyword	pfWildAddr	all any
-syn match	pfCmd		/block\s/
 syn match	pfComment	/#.*$/ contains=pfTodo
 syn match	pfCont		/\\$/
 syn match	pfErrClose	/}/
@@ -34,43 +26,81 @@
 syn match	pfIPv6		/[a-fA-F0-9:]\+:[a-fA-F0-9:]\+:[a-fA-F0-9:.]\+/
 syn match	pfNetmask	/\/\d\+/
 syn match	pfNum		/[a-zA-Z0-9_:.]\@<!\d\+[a-zA-Z0-9_:.]\@!/
-syn match	pfTable		/<\s*[a-zA-Z][a-zA-Z0-9_]*\s*>/
+syn match	pfTable		/<\s*[a-zA-Z0-9_:][a-zA-Z0-9_:.-]*\s*>/
 syn match	pfVar		/$[a-zA-Z][a-zA-Z0-9_]*/
 syn match	pfVarAssign	/^\s*[a-zA-Z][a-zA-Z0-9_]*\s*=/me=e-1
 syn region	pfFold1		start=/^#\{1}>/ end=/^#\{1,3}>/me=s-1 transparent fold
 syn region	pfFold2		start=/^#\{2}>/ end=/^#\{2,3}>/me=s-1 transparent fold
 syn region	pfFold3		start=/^#\{3}>/ end=/^#\{3}>/me=s-1 transparent fold
 syn region	pfList		start=/{/ end=/}/ transparent contains=ALLBUT,pfErrClose,@pfNotLS
-syn region	pfString	start=/"/ end=/"/ transparent contains=ALLBUT,pfString,@pfNotLS
-syn region	pfString	start=/'/ end=/'/ transparent contains=ALLBUT,pfString,@pfNotLS
+syn region	pfString	start=/"/ skip=/\\"/ end=/"/ contains=pfIPv4,pfIPv6,pfNetmask,pfTable,pfVar
+syn region	pfString	start=/'/ skip=/\\'/ end=/'/ contains=pfIPv4,pfIPv6,pfNetmask,pfTable,pfVar
 
-" Define the default highlighting.
-" 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
-if version >= 508 || !exists("did_c_syn_inits")
-  if version < 508
-    let did_c_syn_inits = 1
-    command -nargs=+ HiLink hi link <args>
-  else
-    command -nargs=+ HiLink hi def link <args>
-  endif
+syn keyword	pfService	802-11-iapp Microsoft-SQL-Monitor
+syn keyword	pfService	Microsoft-SQL-Server NeXTStep NextStep
+syn keyword	pfService	afpovertcp afs3-bos afs3-callback afs3-errors
+syn keyword	pfService	afs3-fileserver afs3-kaserver afs3-prserver
+syn keyword	pfService	afs3-rmtsys afs3-update afs3-vlserver
+syn keyword	pfService	afs3-volser amt-redir-tcp amt-redir-tls
+syn keyword	pfService	amt-soap-http amt-soap-https asf-rmcp at-echo
+syn keyword	pfService	at-nbp at-rtmp at-zis auth authentication
+syn keyword	pfService	bfd-control bfd-echo bftp bgp bgpd biff bootpc
+syn keyword	pfService	bootps canna cddb cddbp chargen chat cmd
+syn keyword	pfService	cmip-agent cmip-man comsat conference
+syn keyword	pfService	conserver courier csnet-ns cso-ns cvspserver
+syn keyword	pfService	daap datametrics daytime dhcpd-sync
+syn keyword	pfService	dhcpv6-client dhcpv6-server discard domain
+syn keyword	pfService	echo efs eklogin ekshell ekshell2 epmap eppc
+syn keyword	pfService	exec finger ftp ftp-data git gopher hostname
+syn keyword	pfService	hostnames hprop http https hunt hylafax iapp
+syn keyword	pfService	icb ident imap imap2 imap3 imaps ingreslock
+syn keyword	pfService	ipp iprop ipsec-msft ipsec-nat-t ipx irc
+syn keyword	pfService	isakmp iscsi isisd iso-tsap kauth kdc kerberos
+syn keyword	pfService	kerberos-adm kerberos-iv kerberos-sec
+syn keyword	pfService	kerberos_master kf kip klogin kpasswd kpop
+syn keyword	pfService	krb524 krb_prop krbupdate krcmd kreg kshell kx
+syn keyword	pfService	l2tp ldap ldaps ldp link login mail mdns
+syn keyword	pfService	mdnsresponder microsoft-ds ms-sql-m ms-sql-s
+syn keyword	pfService	msa msp mtp mysql name nameserver netbios-dgm
+syn keyword	pfService	netbios-ns netbios-ssn netnews netplan netrjs
+syn keyword	pfService	netstat netwall newdate nextstep nfs nfsd
+syn keyword	pfService	nicname nnsp nntp ntalk ntp null openwebnet
+syn keyword	pfService	ospf6d ospfapi ospfd photuris pop2 pop3 pop3pw
+syn keyword	pfService	pop3s poppassd portmap postgresql postoffice
+syn keyword	pfService	pptp presence printer prospero prospero-np
+syn keyword	pfService	puppet pwdgen qotd quote radacct radius
+syn keyword	pfService	radius-acct rdp readnews remotefs resource rfb
+syn keyword	pfService	rfe rfs rfs_server ripd ripng rje rkinit rlp
+syn keyword	pfService	routed router rpc rpcbind rsync rtelnet rtsp
+syn keyword	pfService	sa-msg-port sane-port sftp shell sieve silc
+syn keyword	pfService	sink sip smtp smtps smux snmp snmp-trap
+syn keyword	pfService	snmptrap snpp socks source spamd spamd-cfg
+syn keyword	pfService	spamd-sync spooler spop3 ssdp ssh submission
+syn keyword	pfService	sunrpc supdup supfiledbg supfilesrv support
+syn keyword	pfService	svn svrloc swat syslog syslog-tls systat
+syn keyword	pfService	tacacs tacas+ talk tap tcpmux telnet tempo
+syn keyword	pfService	tftp time timed timeserver timserver tsap
+syn keyword	pfService	ttylink ttytst ub-dns-control ulistserv untp
+syn keyword	pfService	usenet users uucp uucp-path uucpd vnc vxlan
+syn keyword	pfService	wais webster who whod whois www x400 x400-snd
+syn keyword	pfService	xcept xdmcp xmpp-bosh xmpp-client xmpp-server
+syn keyword	pfService	z3950 zabbix-agent zabbix-trapper zebra
+syn keyword	pfService	zebrasrv
 
-  HiLink pfCmd		Statement
-  HiLink pfComment	Comment
-  HiLink pfCont		Statement
-  HiLink pfErrClose	Error
-  HiLink pfIPv4		Type
-  HiLink pfIPv6		Type
-  HiLink pfNetmask	Constant
-  HiLink pfNum		Constant
-  HiLink pfService	Constant
-  HiLink pfTable	Identifier
-  HiLink pfTodo		Todo
-  HiLink pfVar		Identifier
-  HiLink pfVarAssign	Identifier
-  HiLink pfWildAddr	Type
-
-  delcommand HiLink
-endif
+hi def link pfCmd	Statement
+hi def link pfComment	Comment
+hi def link pfCont	Statement
+hi def link pfErrClose	Error
+hi def link pfIPv4	Type
+hi def link pfIPv6	Type
+hi def link pfNetmask	Constant
+hi def link pfNum	Constant
+hi def link pfService	Constant
+hi def link pfString	String
+hi def link pfTable	Identifier
+hi def link pfTodo	Todo
+hi def link pfVar	Identifier
+hi def link pfVarAssign	Identifier
+hi def link pfWildAddr	Type
 
 let b:current_syntax = "pf"