Update runtime files.
diff --git a/runtime/compiler/rhino.vim b/runtime/compiler/rhino.vim
new file mode 100644
index 0000000..30f3dd3
--- /dev/null
+++ b/runtime/compiler/rhino.vim
@@ -0,0 +1,30 @@
+" Vim compiler file
+" Compiler: Rhino Shell (JavaScript in Java)
+" Maintainer: Doug Kearns <dougkearns@gmail.com>
+" Last Change: 2019 Jul 10
+
+if exists("current_compiler")
+ finish
+endif
+let current_compiler = "rhino"
+
+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=java\ -jar\ lib/rhino-X.X.XX.jar\ -w\ -strict
+
+CompilerSet makeprg=rhino
+CompilerSet errorformat=%-Gjs:\ %.%#Compilation\ produced%.%#,
+ \%Ejs:\ \"%f\"\\,\ line\ %l:\ %m,
+ \%Ejs:\ uncaught\ JavaScript\ runtime\ exception:\ %m,
+ \%Wjs:\ warning:\ \"%f\"\\,\ line\ %l:\ %m,
+ \%Zjs:\ %p^,
+ \%Cjs:\ %.%#,
+ \%-G%.%#
+
+let &cpo = s:cpo_save
+unlet s:cpo_save