Updated runtime files. Remove HiLink commands.
diff --git a/runtime/syntax/ampl.vim b/runtime/syntax/ampl.vim
index 99a683a..ad78f7d 100644
--- a/runtime/syntax/ampl.vim
+++ b/runtime/syntax/ampl.vim
@@ -114,26 +114,24 @@
-command -nargs=+ HiLink hi def link <args>
" The default methods for highlighting. Can be overridden later.
-HiLink amplEntityKeyword Keyword
-HiLink amplType Type
-HiLink amplStatement Statement
-HiLink amplOperators Operator
-HiLink amplBasicOperators Operator
-HiLink amplConditional Conditional
-HiLink amplRepeat Repeat
-HiLink amplStrings String
-HiLink amplNumerics Number
-HiLink amplSetFunction Function
-HiLink amplBuiltInFunction Function
-HiLink amplRandomGenerator Function
-HiLink amplComment Comment
-HiLink amplDotSuffix Special
-HiLink amplPiecewise Special
+hi def link amplEntityKeyword Keyword
+hi def link amplType Type
+hi def link amplStatement Statement
+hi def link amplOperators Operator
+hi def link amplBasicOperators Operator
+hi def link amplConditional Conditional
+hi def link amplRepeat Repeat
+hi def link amplStrings String
+hi def link amplNumerics Number
+hi def link amplSetFunction Function
+hi def link amplBuiltInFunction Function
+hi def link amplRandomGenerator Function
+hi def link amplComment Comment
+hi def link amplDotSuffix Special
+hi def link amplPiecewise Special
-delcommand HiLink
let b:current_syntax = "ampl"