Update runtime files.
diff --git a/runtime/compiler/onsgmls.vim b/runtime/compiler/onsgmls.vim
index 130d3e2..68925ef 100644
--- a/runtime/compiler/onsgmls.vim
+++ b/runtime/compiler/onsgmls.vim
@@ -1,7 +1,7 @@
 " Vim compiler file
 " Compiler:	onsgmls
 " Maintainer:	Robert Rowsome <rowsome@wam.umd.edu>
-" Last Change:	2004 Mar 27
+" Last Change:	2019 Jul 23
 
 if exists("current_compiler")
   finish
@@ -15,7 +15,7 @@
 let s:cpo_save = &cpo
 set cpo-=C
 
-CompilerSet makeprg=onsgmls\ -s\ %
+CompilerSet makeprg=onsgmls\ -s\ %:S
 
 CompilerSet errorformat=onsgmls:%f:%l:%c:%t:%m,
 		    \onsgmls:%f:%l:%c:%m