I administer a Sharepoint 2007 site. All the following occur for any user, including the farm admin user, so I am assuming this has nothing to do with permissions.
On one document library only, the Name field is missing from the Edit Properties page for each document. Folders are fine. This means that users with permissions to edit or delete from the site are unable to rename documents.
If I navigate to the document library via the UNC path, I can use the Windows UI to rename documents without any problem.
The Name field is implicit in Document Libraries - you can't add or remove it as a column either via Content Type or the Document Library columns.
Any ideas what I can do to allow users of this doc library to be able to rename documents?
Update: This document library is not using a custom editform.aspx page.