Update runtime files.
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