Update runtime files
diff --git a/runtime/syntax/dts.vim b/runtime/syntax/dts.vim
index be51ab5..bb7eff7 100644
--- a/runtime/syntax/dts.vim
+++ b/runtime/syntax/dts.vim
@@ -1,7 +1,7 @@
" Vim syntax file
" Language: dts/dtsi (device tree files)
" Maintainer: Daniel Mack <vim@zonque.org>
-" Last Change: 2022 Jun 14
+" Last Change: 2023 Apr 28
if exists("b:current_syntax")
finish
@@ -10,9 +10,10 @@
syntax region dtsComment start="/\*" end="\*/"
syntax match dtsReference "&[[:alpha:][:digit:]_]\+"
+syntax match dtsReference "&{[[:alpha:][:digit:]@_/-]\+}"
syntax region dtsBinaryProperty start="\[" end="\]"
syntax match dtsStringProperty "\".*\""
-syntax match dtsKeyword "/.\{-1,\}/"
+syntax match dtsKeyword "/[[:alpha:][:digit:]-]\+/\([[:space:]]\|;\)"he=e-1
syntax match dtsLabel "^[[:space:]]*[[:alpha:][:digit:]_]\+:"
syntax match dtsNode /[[:alpha:][:digit:]-_]\+\(@[0-9a-fA-F]\+\|\)[[:space:]]*{/he=e-1
syntax region dtsCellProperty start="<" end=">" contains=dtsReference,dtsBinaryProperty,dtsStringProperty,dtsComment