Commands (:crdate:) и (:eddate:) are needed for to insert date of the creating or date of the editing the current page respectively.

If these commands are used without any parameters then format was readed from program setting. If you wish to change the format then you can use the format parameter.

Date format can to set in the dialog which will shown after click on menu item "Wiki - Commands - Creation date (:crdate:)" or "Wiki - Commands - Edition date (:eddate:)". The dialog shown hereinafter.