file_hash questions

[amindfv at mailbox.org]

Apologies if this is answered in the docs - a quick search didn't uncover the answers.

I'm wondering about the "kdenlive:file_hash" property in the file XML:

  - Which hashing algorithm is used?
  - When are the hashes checked? E.g. if I save a kdenlive file, quit, then reopen it, will the hashes of the files on disk be checked? Are there other points at which it's checked? Can the user manually start a check?

Thanks!
Tom