Update runtime files.
diff --git a/runtime/compiler/xbuild.vim b/runtime/compiler/xbuild.vim
new file mode 100644
index 0000000..b508a46
--- /dev/null
+++ b/runtime/compiler/xbuild.vim
@@ -0,0 +1,22 @@
+" Vim compiler file
+" Compiler: Mono C#
+" Maintainer: Chiel ten Brinke (ctje92@gmail.com)
+" Last Change: 2013 May 13
+
+if exists("current_compiler")
+ finish
+endif
+
+let current_compiler = "xbuild"
+let s:keepcpo= &cpo
+set cpo&vim
+
+if exists(":CompilerSet") != 2 " older Vim always used :setlocal
+ command -nargs=* CompilerSet setlocal <args>
+endif
+
+CompilerSet errorformat=\ %#%f(%l\\\,%c):\ %m
+CompilerSet makeprg=xbuild\ /nologo\ /v:q\ /property:GenerateFullPaths=true
+
+let &cpo = s:keepcpo
+unlet s:keepcpo