Adding Block Manager To Allow Modifications of Headers In Expressions #2455
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Hello!
In raising this pull request, I confirm the following:
Small description of change:
As part of the changes I was "attempting" with #2450, at one point, I added these changes. This was originally done so I could have something like the below inside Closures.php. Eventually, my changes went another path, and these additions were no longer required. However, I still see them as having some value, so I wanted to go ahead and create a separate PR for these changes.