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Changes between Version 1 and Version 2 of Ticket #47987, comment 24

v1	v2
30	30	Also, as the additional data was sent with the first request, there is no point in re-sending it, same as the actual file. The attachment post has been created by now and any additional data already added.
31	31
	32	In practice no additional data should be sent together with the file that needs to be uploaded. It is a bad thing to "mix up" uploading and creating the attachment post (see above) and the user has not had a chance to enter any data anyway. So the only additional data present in upload requests would be automatically added and not user input.
	33
32	34	Then step three will need another flag in the head. this time that would be a "cleanup" instead of "retry".
33	35