[Bug #1441864] Clarify description of 'data' argument
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@ -18,11 +18,13 @@ The \module{urllib2} module defines the following functions:
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Open the URL \var{url}, which can be either a string or a \class{Request}
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object.
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\var{data} should be a string, which specifies additional data to
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send to the server. In HTTP requests, which are the only ones that
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support \var{data}, it should be a buffer in the format of
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\mimetype{application/x-www-form-urlencoded}, for example one returned
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from \function{urllib.urlencode()}.
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\var{data} should be a string, which specifies additional data to send
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to the server. Currently HTTP requests are the only ones that use
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\var{data}. For HTTP, the request will be a POST instead of a GET
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when the \var{data} parameter is provided. \var{data} should be a
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buffer in the standard \mimetype{application/x-www-form-urlencoded} format.
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The \function{urllib.urlencode()} function takes a mapping or
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sequence of 2-tuples and returns a string in this format.
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This function returns a file-like object with two additional methods:
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