>
> *Client:*
> You are just referring to an example that show that if you modify the body 
> you must to the same modifications on the headers. 
>

Yes, I guess that's rather a specific question, as it should be clear to 
other modifications. Should the `transfer-encoding: chunked` header be 
removed by a client or not?
 

> *Exceptions:*
> By "smaller issues" we mean: Things that do not stop you form sending a 
> request. If you are using the wrong HTTP version in the status line, that 
> does not stop the client from sending the request. The server may be able 
> to handle that anyways. So the client should not be "smart" and help you to 
> fail early. 
>

A wrong HTTP version isn't a small issue to me. Different HTTP versions 
have a different message syntax and it's not wise just sending a wrong HTTP 
version the client doesn't understand. The list of possible HTTP versions 
is quite small, I think explicitly checking the version makes sense in 
every client. In the worst case, sending another HTTP version the client 
doesn't understand might result in a security vulnerability, because the 
client interprets things the wrong way.
 

> We do mention 1xx responses. They should be handled by the client.
>

Yes, they're mentioned in the interface docs, but not in the specification 
itself.
 

> *RequestException*: 
> Hm, I do not think so. Why would you ever be interested in a Request that 
> was not sent? Im way more interested in the request that failed, right?
>

I don't have an immediate use case, but I can imagine that it could be 
useful if you want to find the failed request within a set of requests. 
Having the original request available would allow using ===, which 
explicitly isn't possible with the current interface.

On the other hand, the request will usually be available at the place the 
exception is caught I guess.

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