Fixed #1811 -- Fixed inconsistencies in docs/overview.txt

which contains request metadata -- and the values captured in the regex.

For example, if a user requested the URL "/articles/2005/05/39323/", Django

would call the function ``mysite.news.views.article_detail(request,

would call the function ``mysite.views.article_detail(request,

'2005', '05', '39323')``.

Write your views

Variables are surrounded by double-curly braces. ``{{ article.headline }}``

means "Output the value of the article's headline attribute." But dots aren't

used only for attribute lookup: They also can do dictionary-key lookup, index

lookup and function calls (as is the case with ``article.get_reporter``).

lookup and function calls.

Note ``{{ article.pub_date|date:"F j, Y" }}`` uses a Unix-style "pipe" (the "|"

character). This is called a template filter, and it's a way to filter the value