new file mode 100644
--- /dev/null
+++ b/runtime/syntax/setserial.vim
@@ -0,0 +1,120 @@
+" Vim syntax file
+" Language:         setserial(8) configuration file
+" Maintainer:       Nikolai Weibull <nikolai+work.vim@bitwi.se>
+" Latest Revision:  2005-07-04
+
+if exists("b:current_syntax")
+  finish
+endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+syn match   setserialBegin      display '^'
+                                \ nextgroup=setserialDevice,setserialComment
+                                \ skipwhite
+
+syn match   setserialDevice     contained display '\%(/[^ \t/]*\)\+'
+                                \ nextgroup=setserialParameter skipwhite
+
+syn keyword setserialParameter  contained port irq baud_base divisor
+                                \ close_delay closing_wait rx_trigger
+                                \ tx_trigger flow_off flow_on rx_timeout
+                                \ nextgroup=setserialNumber skipwhite
+
+syn keyword setserialParameter  contained uart
+                                \ nextgroup=setserialUARTType skipwhite
+
+syn keyword setserialParameter  contained autoconfig auto_irq skip_test
+                                \ spd_hi spd_vhi spd_shi spd_warp spd_cust
+                                \ spd_normal sak fourport session_lockout
+                                \ pgrp_lockout hup_notify split_termios
+                                \ callout_nohup low_latency
+                                \ nextgroup=setserialParameter skipwhite
+
+syn match   setserialParameter  contained display
+                                \ '\^\%(auto_irq\|skip_test\|sak\|fourport\)'
+                                \ contains=setserialNegation
+                                \ nextgroup=setserialParameter skipwhite
+
+syn match   setserialParameter  contained display
+                                \ '\^\%(session_lockout\|pgrp_lockout\)'
+                                \ contains=setserialNegation
+                                \ nextgroup=setserialParameter skipwhite
+
+syn match   setserialParameter  contained display
+                                \ '\^\%(hup_notify\|split_termios\)'
+                                \ contains=setserialNegation
+                                \ nextgroup=setserialParameter skipwhite
+
+syn match   setserialParameter  contained display
+                                \ '\^\%(callout_nohup\|low_latency\)'
+                                \ contains=setserialNegation
+                                \ nextgroup=setserialParameter skipwhite
+
+syn keyword setserialParameter  contained set_multiport
+                                \ nextgroup=setserialMultiport skipwhite
+
+syn match   setserialNumber     contained display '\<\d\+\>'
+                                \ nextgroup=setserialParameter skipwhite
+syn match   setserialNumber     contained display '0x\x\+'
+                                \ nextgroup=setserialParameter skipwhite
+
+syn keyword setserialUARTType   contained none
+
+syn match   setserialUARTType   contained display
+                                \ '8250\|16[4789]50\|16550A\=\|16650\%(V2\)\='
+                                \ nextgroup=setserialParameter skipwhite
+
+syn match   setserialUARTType   contained display '166[59]4'
+                                \ nextgroup=setserialParameter skipwhite
+
+syn match   setserialNegation   contained display '\^'
+
+syn match   setserialMultiport  contained '\<port\d\+\>'
+                                \ nextgroup=setserialPort skipwhite
+
+syn match   setserialPort       contained display '\<\d\+\>'
+                                \ nextgroup=setserialMask skipwhite
+syn match   setserialPort       contained display '0x\x\+'
+                                \ nextgroup=setserialMask skipwhite
+
+syn match   setserialMask       contained '\<mask\d\+\>'
+                                \ nextgroup=setserialBitMask skipwhite
+
+syn match   setserialBitMask    contained display '\<\d\+\>'
+                                \ nextgroup=setserialMatch skipwhite
+syn match   setserialBitMask    contained display '0x\x\+'
+                                \ nextgroup=setserialMatch skipwhite
+
+syn match   setserialMatch      contained '\<match\d\+\>'
+                                \ nextgroup=setserialMatchBits skipwhite
+
+syn match   setserialMatchBits  contained display '\<\d\+\>'
+                                \ nextgroup=setserialMultiport skipwhite
+syn match   setserialMatchBits  contained display '0x\x\+'
+                                \ nextgroup=setserialMultiport skipwhite
+
+syn keyword setserialTodo       contained TODO FIXME XXX NOTE
+
+syn region  setserialComment    display oneline start='^\s*#' end='$'
+                                \ contains=setserialTodo,@Spell
+
+hi def link setserialTodo       Todo
+hi def link setserialComment    Comment
+hi def link setserialDevice     Normal
+hi def link setserialParameter  Identifier
+hi def link setserialNumber     Number
+hi def link setserialUARTType   Type
+hi def link setserialNegation   Operator
+hi def link setserialMultiport  Type
+hi def link setserialPort       setserialNumber
+hi def link setserialMask       Type
+hi def link setserialBitMask    setserialNumber
+hi def link setserialMatch      Type
+hi def link setserialMatchBits  setserialNumber
+
+let b:current_syntax = "setserial"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save