--AaB:03x
content-disposition: form-data; name="submit-name"

Larry
--AaB:03x
content-disposition: form-data; name="submit-name-with-content"
content-type: text/plain

Berry
--AaB:03x
content-disposition: form-data; name="files"; filename="file1.txt"
content-type: text/plain

contents
--AaB:03x--