Added a lot more explanation about form field validation, including expanded examples. Fixed #5843, #6652, #7428.
Added a lot more explanation about form field validation, including expanded
examples. Fixed #5843, #6652, #7428.


git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@9177 bcc190cf-cafb-0310-a4f2-bffc1f526a37

FlaPer87/django-nonrel,FlaPer87/django-nonrel,aparo/django-nonrel,aparo/django-nonrel,aparo/django-nonrel,FlaPer87/django-nonrel