constants are not substituted
Summary
There are several typoscript constants not substituted in the html code
{$config.headerComment}
Steps to reproduce
go to my.typo3.org check html source code
Example URL
What is the current bug behavior?
you will see {$config.headerComment}
<meta name="google" content="{$page.meta.google}" />
What is the expected correct behavior?
constants should be substituted