How are the modification times of Zope objects reckoned? I was wondering how to set the last-modified field in the response. I have a folder with some objects and subfolders that will be displayed in text or dtml-tree formats. If I use "lynx -head" to look at the folder, I get the modification date of index_html. If I look at the 'page info' page in me navigator, it has no mod time info at all. If I print bobobase_modification_time in index_html, I get the mod time of the folder, the time an object was added to, or deleted from, the folder, or when a property was changed. Two questions: 1) I plan to scan the folder and use the mod time of the youngest object in the folder as the mod time of the overall folder object with REQUEST.setHeader('Last-Modified',max(datetimes[]). How do I get the mod time from objects in general? Bobobase_modification_time is a string, I'd like to get the value that bobobase_etcetera stringifies. 2) It seems that the ZServer response to HEAD requests involves some initiatives that are not taken with ordinary GET reqests to the same object. Is there any way to make it consistent with what I do for 1), or will it override my methods for reporting the mod time of my objects? je -- Urbane guerilla in the mist