Tag syntax for C++

vim/after/syntax/cpp.vim

@@ -38,6 +38,8 @@ syn match   cxxCriticalNames "\<Critical[A-Z][A-Za-z0-9_]*Error\>"
 syn match   cxxCriticalNames "\<[A-Z][A-Za-z0-9_]*CriticalError\>"
 syn match   cxxViolationNames     "\<[A-Z][A-Za-z0-9_]*Violation\>"
 
+syn match cxxTagName "\<[a-zA-Z_][A-Za-z0-9_]*_tag\>"
+
 syn match cxxCast              "\<\(const\|static\|dynamic\|reinterpret\)_cast\s*\(<\)\@="
 
 
@@ -279,5 +281,7 @@ if version >= 508 || !exists("did_cxx_syntax_inits")
 
   HiLink cxxStlDangerousFunction Dangerous
 
+  HiLink cxxTagName  Tag
+
   delcommand HiLink
 endif