[PR_LITERAL, /^@[a-z_$][a-z_$@0-9]*|\bNULL\b/i, null],
[PR_LITERAL, CONFIG_OPTIONS, null],
//[PR_STRING, CONFIG_ENVS, null],
- [PR_TAG, /^\b(RequireAny|RequireAll|RequireNone|Directory|DirectoryMatch|Location|LocationMatch|VirtualHost|If|Else|ElseIf|Proxy\b|LoadBalancer|Files|FilesMatch|Limit|LimitExcept|IfDefine|IfModule|IfVersion)\b/, null],
+ [PR_TAG, /^\b(AuthzProviderAlias|AuthnProviderAlias|RequireAny|RequireAll|RequireNone|Directory|DirectoryMatch|Location|LocationMatch|VirtualHost|If|Else|ElseIf|Proxy\b|LoadBalancer|Files|FilesMatch|Limit|LimitExcept|IfDefine|IfModule|IfVersion)\b/, null],
[PR_TYPE, /^(?:[@_]?[A-Z]+[a-z][A-Za-z_$@0-9]*|\w+_(t|req|module)\b)/, null],
[PR_TAG, /^apr_[a-z_0-9]+|ap_[a-z_0-9]+/i, null],
[PR_PLAIN, /^[a-z_$][a-z_$@0-9\-]*/i, null],