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+# Browser enhancements
+
+> "There are two noncontroversial uses for overloaded POST.  The first is to *simulate* HTTP's uniform interface for clients like web browsers that don't support PUT or DELETE"
+>
+> — [RESTful Web Services][cite], Leonard Richardson & Sam Ruby.
+
+## Browser based PUT, DELETE, etc...
+
+REST framework supports browser-based `PUT`, `DELETE` and other methods, by
+overloading `POST` requests using a hidden form field.
+
+Note that this is the same strategy as is used in [Ruby on Rails][rails].
+
+For example, given the following form:
+
+    <form action="/news-items/5" method="POST">
+        <input type="hidden" name="_method" value="DELETE">
+    </form>
+
+`request.method` would return `"DELETE"`.
+
+## Browser based submission of non-form content
+
+Browser-based submission of content types other than form are supported by
+using form fields named `_content` and `_content_type`:
+
+For example, given the following form:
+
+    <form action="/news-items/5" method="PUT">
+        <input type="hidden" name="_content_type" value="application/json">
+        <input name="_content" value="{'count': 1}">
+    </form>
+
+`request.content_type` would return `"application/json"`, and
+`request.stream` would return `"{'count': 1}"`
+
+## URL based accept headers
+
+REST framework can take `?accept=application/json` style URL parameters,
+which allow the `Accept` header to be overridden.
+
+This can be useful for testing the API from a web browser, where you don't
+have any control over what is sent in the `Accept` header.
+
+## URL based format suffixes
+
+REST framework can take `?format=json` style URL parameters, which can be a
+useful shortcut for determing which content type should be returned from
+the view.
+
+This is a more concise than using the `accept` override, but it also gives
+you less control.  (For example you can't specify any media type parameters)
+
+## Doesn't HTML5 support PUT and DELETE forms?
+
+Nope.  It was at one point intended to support `PUT` and `DELETE` forms, but
+was later [dropped from the spec][html5].  There remains
+[ongoing discussion][put_delete] about adding support for `PUT` and `DELETE`,
+as well as how to support content types other than form-encoded data.
+
+[cite]: http://www.amazon.com/Restful-Web-Services-Leonard-Richardson/dp/0596529260
+[rails]: http://guides.rubyonrails.org/form_helpers.html#how-do-forms-with-put-or-delete-methods-work
+[html5]: http://www.w3.org/TR/html5-diff/#changes-2010-06-24
+[put_delete]: http://amundsen.com/examples/put-delete-forms/