[pmwiki-users] delete old page history

[Jabba Laci]

Hi,

I would like to avoid that page histories grow too big. How can old
page histories be removed?
In the config file I found this:
$DiffKeepDays=30;
Does it mean that histories older than 30 days are deleted
automatically? I didn't understand it clearly.

        Thanks,

               Laszlo