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4.1.3 HTTP URL Options

HTTP supports an ‘OPTIONS’ method describing things supported by the URL.

— Function: url-http-options url

Returns a property list describing options available for URL. The property list members are:

A list of symbols specifying what HTTP methods the resource supports.
A list of numbers specifying what DAV protocol/schema versions are supported.
A list of supported DASL search types supported (string form).
A list of the units available for use in partial document fetches.
The Platform For Privacy Protection description for the resource. Currently this is just the raw header contents.