[RSS Feed/News] Show moderator's username who last edited the post

[XenForo]

Wondering how to show moderator's username who last edited the post in post_macros template:
Code:

{{ phrase('last_edited_by_moderator:') }} <xf:date time="{$post.last_edit_date}" />

This would display his ID, but not his username:
Code:

{{ phrase('last_edited_by_moderator:') }} {$post.last_edit_user_id} - <xf:date time="{$post.last_edit_date}" />
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