Add syntax files from upstream vim repository

syntax/protocols.vim

@@ -0,0 +1,48 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1
+  
+" Vim syntax file
+" Language:             protocols(5) - Internet protocols definition file
+" Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
+" Latest Revision:      2006-04-19
+
+if exists("b:current_syntax")
+  finish
+endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+syn match   protocolsBegin    display '^'
+                              \ nextgroup=protocolsName,protocolsComment
+
+syn match   protocolsName     contained display '[[:graph:]]\+'
+                              \ nextgroup=protocolsPort skipwhite
+
+syn match   protocolsPort     contained display '\d\+'
+                              \ nextgroup=protocolsAliases,protocolsComment
+                              \ skipwhite
+
+syn match   protocolsAliases  contained display '\S\+'
+                              \ nextgroup=protocolsAliases,protocolsComment
+                              \ skipwhite
+
+syn keyword protocolsTodo     contained TODO FIXME XXX NOTE
+
+syn region  protocolsComment  display oneline start='#' end='$'
+                              \ contains=protocolsTodo,@Spell
+
+hi def link protocolsTodo      Todo
+hi def link protocolsComment   Comment
+hi def link protocolsName      Identifier
+hi def link protocolsPort      Number
+hi def link protocolsPPDiv     Delimiter
+hi def link protocolsPPDivDepr Error
+hi def link protocolsProtocol  Type
+hi def link protocolsAliases   Macro
+
+let b:current_syntax = "protocols"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+endif