Update runtime files.
diff --git a/runtime/compiler/jshint.vim b/runtime/compiler/jshint.vim
new file mode 100644
index 0000000..865591c
--- /dev/null
+++ b/runtime/compiler/jshint.vim
@@ -0,0 +1,25 @@
+" Vim compiler file
+" Compiler: JSHint
+" Maintainer: Doug Kearns <dougkearns@gmail.com>
+" Last Change: 2019 Jul 10
+
+if exists("current_compiler")
+ finish
+endif
+let current_compiler = "jshint"
+
+if exists(":CompilerSet") != 2 " older Vim always used :setlocal
+ command -nargs=* CompilerSet setlocal <args>
+endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+" CompilerSet makeprg=npx\ jshint\ --verbose
+
+CompilerSet makeprg=jshint\ --verbose
+CompilerSet errorformat=%f:\ line\ %l\\,\ col\ %c\\,\ %m\ (%t%n),
+ \%-G%.%#
+
+let &cpo = s:cpo_save
+unlet s:cpo_save