Updated runtime files. Remove HiLink commands.
diff --git a/runtime/syntax/mupad.vim b/runtime/syntax/mupad.vim
index 7f981f0..55ea9c4 100644
--- a/runtime/syntax/mupad.vim
+++ b/runtime/syntax/mupad.vim
@@ -265,21 +265,19 @@
" graphics meta-documentation Attributes
syn keyword mupadIdentifier objectGroupsListed
-command -nargs=+ HiLink hi def link <args>
-HiLink mupadComment Comment
-HiLink mupadString String
-HiLink mupadOperator Operator
-HiLink mupadSpecial Special
-HiLink mupadStatement Statement
-HiLink mupadUnderlined Underlined
-HiLink mupadConditional Conditional
-HiLink mupadRepeat Repeat
-HiLink mupadFunction Function
-HiLink mupadType Type
-HiLink mupadDefine Define
-HiLink mupadIdentifier Identifier
+hi def link mupadComment Comment
+hi def link mupadString String
+hi def link mupadOperator Operator
+hi def link mupadSpecial Special
+hi def link mupadStatement Statement
+hi def link mupadUnderlined Underlined
+hi def link mupadConditional Conditional
+hi def link mupadRepeat Repeat
+hi def link mupadFunction Function
+hi def link mupadType Type
+hi def link mupadDefine Define
+hi def link mupadIdentifier Identifier
-delcommand HiLink
" TODO More comprehensive listing.