This FAQ tries to cover the basic doubts and questions the people tend to ask when first looking at DIF.

I'm having trouble finding annotations or entities. What can I do?

See the note "The library can't find any subfolders of a folder which has subfolders. What can I do? " on Inspection Utils FAQ.

I did not find my question on this FAQ!

Please post it in the DiF's mailing list and we assure you you will get a quick response and maybe it will be posted here for others to use.