When a mod moves comments to chat, an entry "Mod Moved Comments To Chat" appears in the edit history (revisions list) of a question/answer (Example).
It would be more useful, in my view, if this entry included the name of the mod who did it ("Comments Moved To Chat By $(MODERATORNAME)").
Currently most moderator actions leave a trace that specifies who did it and when (for instance, protecting questions, closing questions 'by authority', deleting them...), and this is an exception. Is there a reason why it works this way? If no, can this be changed?