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: 554f83ef17aa7291f84efa897c1acfc5d0035373@9177 bcc190cf-cafb-0310-a4f2-bffc1f526a37

svn2github/django,svn2github/django,svn2github/django