RFR: 8272334: com.sun.net.httpserver.HttpExchange: Improve API doc of getRequestHeaders

[Daniel Fuchs]

On Thu, 12 Aug 2021 13:44:23 GMT, Julia Boes <jboes at openjdk.org> wrote:

> This is a doc-only fix that improves the wording of the API doc of `getRequestHeaders()`. The other changes are trivial cleanup.

Marked as reviewed by dfuchs (Reviewer).

Please have Michael review the changes too before pushing

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PR: https://git.openjdk.java.net/jdk/pull/5100