Due to implicit acquisition in DTML, creating objects with certain IDs may cause Trouble, such as breaking the ZMI (Zope Management Interface). Here are some ids to avoid if you don't want trouble.
REQUESTRESPONSEURL- breaks zwiki's standard_error_message handler, probably other thingsEpoz,epoz- confuses Epoz ?links? not sure whydoc? confused DocFinder ?actions- avoid this in CMF, Plone..status,category,severity- may confuse zwiki's issue trackerid- breaks something.. Folder ? but possibly not BTreeFolder? ?Widget- something named widget may cause trouble for Plone ? Archetypes ?