[Zope-dev] Re: [Zope] Header information on file upload

[Martin Gebert]

Florent Guillaume wrote:

>The File and Image objects use the Content-Type header on upload if it
>is provided by the browser. Only if none is provided does it guess one.
>See OFS.Image.File._get_content_type().
>  
>
What brings me directly to the central question: Is this Content-Type 
header provided reliably by every browser? Or: How often must the 
fallback behaviour be used?
Thanks for answers!

Martin