What use is the 'date' part of metadata?

As far as I can see the 'date' part of the dokuwiki metadata is
completely useless as it's not used at all by dokuwiki itself. One can
(after quite a bit of faffing about) set metadata dates using the meta
plugin but since nothing uses or displays them it's completely
pointless. 

Going on from the above is it possible to change the dates in the
changelog?  I want to 'push' articles back into the past so need to
set at least the created date and possibly the modified date.

One can edit the xxx.changes file directly but that's a little crude! 

-- 
Chris Green

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