A dictionary of all the headers. This is dictionary is case-insensitive.
+``req.urlvars`` and ``req.urlargs``:
+ ``req.urlvars`` is the keyword parameters associated with the
+ request URL. ``req.urlargs`` are the positional parameters.
+ These are set by products like `Routes
+ <http://routes.groovie.org/>`_ and `Selector
.. _`dictionary-like object`: #multidict
Also, for standard HTTP request headers there are usually attributes,