Update runtime files

runtime/compiler/icon.vim

@@ -0,0 +1,33 @@
+" Vim compiler file
+" Compiler:	Icon Compiler
+" Maintainer:	Doug Kearns <dougkearns@gmail.com>
+" Last Change:	2022 Jun 16
+
+if exists("current_compiler")
+  finish
+endif
+let current_compiler = "icont"
+
+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=icont\ -s
+CompilerSet errorformat=%-G%\\d%\\+\ errors%\\=,
+		       \%ERun-time\ error\ %n,
+		       \%ERun-time\ error\ %n\ in\ %m,
+		       \%ZTraceback:,
+                       \%+Coffending\ value:\ %.%#,
+                       \%CFile\ %f;\ Line\ %l,
+                       \%EFile\ %f;\ Line\ %l\ #\ %m,
+		       \%EFile\ %f;\ %m,
+		       \%E%f:%l:\ #\ %m,
+		       \%E%f:\ %m,
+		       \%+C%.%#,
+		       \%-G%.%#
+
+let &cpo = s:cpo_save
+unlet s:cpo_save