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kotlinlang

Why is Ktor client sending `Accept: application/xml;application/json` header when I call:
```            <http://httpClient.post|httpClient.post>(serviceUrl) {
                contentType(ContentType.Application.Json)
                accept(ContentType.Application.Xml)
                body = MyClass(...)
            }```
Does such header even conform to HTTP standard?

This is how httpClient is defined:
```    val httpClient = HttpClient(Apache) {
        install(JsonFeature) {
            serializer = KotlinxSerializer()
        }
        engine {
            socketTimeout = 60_000
        }
    }```

Content types in the `Accept` header should be separated by a comma, am I right?

<https://tools.ietf.org/html/rfc2616#page-100> says its a semicolon

oh no, parameters are separated by semicolon

``` Accept: text/plain; q=0.5, text/html, text/x-dvi; q=0.8, text/x-c```


I've filled an issue: <https://github.com/ktorio/ktor/issues/1765>