Fixed #21708 -- Added some headings to separate unrelated topics.

methods -- ``POST``, ``GET``, ``HEAD``, etc. -- will be routed to the same

function for the same URL.

Notes on capturing text in URLs

===============================

Captured arguments are always strings

=====================================

Each captured argument is sent to the view as a plain Python string, regardless

of what sort of match the regular expression makes. For example, in this

...the ``year`` argument to ``news.views.year_archive()`` will be a string, not

an integer, even though the ``\d{4}`` will only match integer strings.

Specifying defaults for view arguments

======================================

A convenient trick is to specify default parameters for your views' arguments.

Here's an example URLconf and view::