Update runtime files
diff --git a/runtime/syntax/basic.vim b/runtime/syntax/basic.vim
index 7fe411a..b6bf23a 100644
--- a/runtime/syntax/basic.vim
+++ b/runtime/syntax/basic.vim
@@ -3,7 +3,7 @@
" Maintainer: Doug Kearns <dougkearns@gmail.com>
" Previous Maintainer: Allan Kelly <allan@fruitloaf.co.uk>
" Contributors: Thilo Six
-" Last Change: 2021 Aug 08
+" Last Change: 2022 Jun 22
" First version based on Micro$soft QBASIC circa 1989, as documented in
" 'Learn BASIC Now' by Halvorson&Rygmyr. Microsoft Press 1989.
@@ -344,7 +344,7 @@
hi def link basicDataString basicString
hi def link basicFilenumber basicTypeSuffix " TODO: better group
hi def link basicFloat Float
-hi def link basicFunction Identifier
+hi def link basicFunction Function
hi def link basicKeyword Keyword
hi def link basicLineIdentifier LineNr
hi def link basicLineContinuation Special