Add syntax files from upstream vim repository

syntax/hastepreproc.vim

@@ -0,0 +1,42 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1
+  
+" Vim syntax file
+" Language:	Haste preprocessor files 
+" Maintainer:	M. Tranchero - maurizio.tranchero@gmail.com
+" Credits:	some parts have been taken from vhdl, verilog, and C syntax
+"		files
+" Version:	0.5
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+" Read the haste syntax to start with
+runtime! syntax/haste.vim
+unlet b:current_syntax
+
+" case is significant
+syn case match
+
+" C pre-processor directives
+syn match  hastepreprocVar 	display "\$[[:alnum:]_]*"
+syn region hastepreprocVar	start="\${" end="}" contains=hastepreprocVar
+"
+"syn region hastepreproc		start="#\[\s*tg[:alnum:]*" end="]#" contains=hastepreprocVar,hastepreproc,hastepreprocError,@Spell
+syn region hastepreproc		start="#\[\s*\(\|tgfor\|tgif\)" end="$" contains=hastepreprocVar,hastepreproc,@Spell
+syn region hastepreproc		start="}\s\(else\)\s{" end="$" contains=hastepreprocVar,hastepreproc,@Spell
+syn region hastepreproc		start="^\s*#\s*\(ifndef\|ifdef\|else\|endif\)\>" end="$" contains=@hastepreprocGroup,@Spell
+syn region hastepreproc		start="\s*##\s*\(define\|undef\)\>" end="$" contains=@hastepreprocGroup,@Spell
+syn match hastepreproc		"}\{0,1}\s*]#"
+
+" Define the default highlighting.
+" Only when an item doesn't have highlighting yet
+hi def link hastepreproc	Preproc
+hi def link hastepreprocVar	Special
+hi def link hastepreprocError	Error
+
+let b:current_syntax = "hastepreproc"
+
+" vim: ts=8
+
+endif