Add syntax files from upstream vim repository

syntax/jargon.vim

@@ -0,0 +1,27 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1
+  
+" Vim syntax file
+" Language:	Jargon File
+" Maintainer:	<rms@poczta.onet.pl>
+" Last Change:	2001 May 26
+"
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+	finish
+endif
+
+syn match jargonChaptTitle	/:[^:]*:/
+syn match jargonEmailAddr	/[^<@ ^I]*@[^ ^I>]*/
+syn match jargonUrl	 +\(http\|ftp\)://[^\t )"]*+
+syn match jargonMark	/{[^}]*}/
+
+" Define the default highlighting.
+" Only when an item doesn't have highlighting yet
+hi def link jargonChaptTitle	Title
+hi def link jargonEmailAddr	 Comment
+hi def link jargonUrl	 Comment
+hi def link jargonMark	Label
+
+let b:current_syntax = "jargon"
+
+endif