diff --git a/runtime/syntax/rpl.vim b/runtime/syntax/rpl.vim
index d2bffba..f339f7a 100644
--- a/runtime/syntax/rpl.vim
+++ b/runtime/syntax/rpl.vim
@@ -415,68 +415,66 @@
 
 " Define the default highlighting.
 " Only when an item doesn't have highlighting yet
-command -nargs=+ HiLink highlight default link <args>
 
 " The default highlighting.
 
-HiLink rplControl		Statement
-HiLink rplStatement		Statement
-HiLink rplAlgConditional	Conditional
-HiLink rplConditional		Repeat
-HiLink rplConditionalError	Error
-HiLink rplRepeat		Repeat
-HiLink rplCycle		Repeat
-HiLink rplUntil		Repeat
-HiLink rplIntrinsic		Special
-HiLink rplStorage		StorageClass
-HiLink rplStorageExpr		StorageClass
-HiLink rplStorageError	Error
-HiLink rplReadWrite		rplIntrinsic
+hi def link rplControl		Statement
+hi def link rplStatement		Statement
+hi def link rplAlgConditional	Conditional
+hi def link rplConditional		Repeat
+hi def link rplConditionalError	Error
+hi def link rplRepeat		Repeat
+hi def link rplCycle		Repeat
+hi def link rplUntil		Repeat
+hi def link rplIntrinsic		Special
+hi def link rplStorage		StorageClass
+hi def link rplStorageExpr		StorageClass
+hi def link rplStorageError	Error
+hi def link rplReadWrite		rplIntrinsic
 
-HiLink rplOperator		Operator
+hi def link rplOperator		Operator
 
-HiLink rplList		Special
-HiLink rplArray		Special
-HiLink rplConstant		Identifier
-HiLink rplExpr		Type
+hi def link rplList		Special
+hi def link rplArray		Special
+hi def link rplConstant		Identifier
+hi def link rplExpr		Type
 
-HiLink rplString		String
-HiLink rplStringGuilles	String
-HiLink rplStringAntislash	String
+hi def link rplString		String
+hi def link rplStringGuilles	String
+hi def link rplStringAntislash	String
 
-HiLink rplBinary		Boolean
-HiLink rplOctal		Boolean
-HiLink rplDecimal		Boolean
-HiLink rplHexadecimal		Boolean
-HiLink rplInteger		Number
-HiLink rplFloat		Float
-HiLink rplComplex		Float
-HiLink rplBoolean		Identifier
+hi def link rplBinary		Boolean
+hi def link rplOctal		Boolean
+hi def link rplDecimal		Boolean
+hi def link rplHexadecimal		Boolean
+hi def link rplInteger		Number
+hi def link rplFloat		Float
+hi def link rplComplex		Float
+hi def link rplBoolean		Identifier
 
-HiLink rplObsolete		Todo
+hi def link rplObsolete		Todo
 
-HiLink rplPreCondit		PreCondit
-HiLink rplInclude		Include
-HiLink rplIncluded		rplString
-HiLink rplInclude		Include
-HiLink rplExecPath		Include
-HiLink rplPreProc		PreProc
-HiLink rplComment		Comment
-HiLink rplCommentLine		Comment
-HiLink rplCommentString	Comment
-HiLink rplSubDelimitor	rplStorage
-HiLink rplCommentError	Error
-HiLink rplParenError		Error
-HiLink rplSubError		Error
-HiLink rplArrayError		Error
-HiLink rplListError		Error
-HiLink rplTab			Error
-HiLink rplBinaryError		Error
-HiLink rplOctalError		Error
-HiLink rplDecimalError	Error
-HiLink rplHexadecimalError	Error
+hi def link rplPreCondit		PreCondit
+hi def link rplInclude		Include
+hi def link rplIncluded		rplString
+hi def link rplInclude		Include
+hi def link rplExecPath		Include
+hi def link rplPreProc		PreProc
+hi def link rplComment		Comment
+hi def link rplCommentLine		Comment
+hi def link rplCommentString	Comment
+hi def link rplSubDelimitor	rplStorage
+hi def link rplCommentError	Error
+hi def link rplParenError		Error
+hi def link rplSubError		Error
+hi def link rplArrayError		Error
+hi def link rplListError		Error
+hi def link rplTab			Error
+hi def link rplBinaryError		Error
+hi def link rplOctalError		Error
+hi def link rplDecimalError	Error
+hi def link rplHexadecimalError	Error
 
-delcommand HiLink
 
 let b:current_syntax = "rpl"