bug#63941: [PATCH] ; always CRLF before non-first boundary in multipart form

[Eli Zaretskii]

> From: ozzloy <ozzloy@gmail.com>
> Date: Tue, 6 Jun 2023 22:25:40 -0700
> 
> When I POST a file ending with a newline using EWW, the final newline
> gets chomped off of the content.  This is because
> mm-url-encode-multipart-form-data inserts CRLF unless it is at the
> beginning of a line.  For file uploads, this behavior is incorrect.
> 
> To reproduce,
> 
> 0. Upload a file ending in "\n" using EWW.
> 
> 1. Observe the POST does not have CRLF between the file content and the
> boundary.

Thanks, but could you please describe in detail what should be done in
step 0? how to "post a file using EWW"?

We need the details to be sure we reproduce the same problem as you
do, and also to test the solution and any alternatives.