diff --git a/runtime/compiler/checkstyle.vim b/runtime/compiler/checkstyle.vim
index eac461b..4ebd9e1 100644
--- a/runtime/compiler/checkstyle.vim
+++ b/runtime/compiler/checkstyle.vim
@@ -1,7 +1,7 @@
 " Vim compiler file
 " Compiler:	Checkstyle
 " Maintainer:	Doug Kearns <dougkearns@gmail.com>
-" Last Change:	2013 Jun 26
+" Last Change:	2020 Aug 2
 
 if exists("current_compiler")
   finish
@@ -12,8 +12,18 @@
   command -nargs=* CompilerSet setlocal <args>
 endif
 
-CompilerSet makeprg=java\ com.puppycrawl.tools.checkstyle.Main\ -f\ plain
+let s:cpo_save = &cpo
+set cpo&vim
 
-" sample error: WebTable.java:282: '+=' is not preceeded with whitespace.
-"		WebTable.java:201:1: '{' should be on the previous line.
-CompilerSet errorformat=%f:%l:%v:\ %m,%f:%l:\ %m,%-G%.%#
+" CompilerSet makeprg=java\ com.puppycrawl.tools.checkstyle.Main\ -f\ plain\ -c\ /sun_checks.xml
+" CompilerSet makeprg=java\ -jar\ checkstyle-X.XX-all.jar\ -f\ plain\ -c\ /sun_checks.xml
+
+CompilerSet makeprg=checkstyle\ -f\ plain
+CompilerSet errorformat=[%tRROR]\ %f:%l:%v:\ %m,
+		       \[%tARN]\ %f:%l:%v:\ %m,
+		       \[%tRROR]\ %f:%l:\ %m,
+		       \[%tARN]\ %f:%l:\ %m,
+		       \%-G%.%#
+
+let &cpo = s:cpo_save
+unlet s:cpo_save