New comment by leahneukirchen on mblaze repository

https://github.com/leahneukirchen/mblaze/issues/212#issuecomment-908576323

Comment:
mshow will parse three parts: the multipart/form-data, and the two form parts. `-O` will print all of them, use `mshow -O ./file 2 3` etc to only show the form parts.