This wiki has attachments disabled.

If attachments are enabled, the wiki admin can control what types of attachments will be accepted, via the allowed_attachments configuration setting.

For example, to limit arbitrary files to 50 kilobytes, but allow larger mp3 files to be uploaded by joey into a specific directory, and check all attachments for viruses, something like this could be used:

virusfree() and ((user(joey) and podcast/*.mp3 and mimetype(audio/mpeg) and maxsize(15mb)) or (!ispage() and maxsize(50kb)))

The regular PageSpec syntax is expanded with the following additional tests: