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vendor/plugins/form_spam_protection/README

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+FormSpamProtection 
+==================
+
+Tired of forms in your web application getting spammed? Captcha works but is a
+pain. This plugin ensures a real person is submitting the form without
+requiring anything from the user except that they have Javascript turned on.
+
+This plugin uses the Hivelogic Enkoder, normally used to protect spambots from
+harvesting e-mail addresses, to enkode a hidden field on the form. That field
+is required when the user submits the form or they get an error.
+
+To install: 
+  ./script/plugin install -x http://form-spam-protection.googlecode.com/svn/form_spam_protection/
+
+To use: In your controller, just add: 
+  protect_forms_from_spam
+
+You can also specify :only or :except just like a before filter:
+  protect_forms_from_spam :only => :index
+
+In fact, it is just a before filter. To protect only the form in one action
+and the handling (but not the form) in another, do this:
+  before_filter :protect_form_from_spam, :only => :new
+  before_filter :protect_form_handler_from_spam, :only => :create
+...though this is seldom necessary.
+
+Bugs:
+Please submit bugs through the tracker at http://code.google.com/p/form-spam-protection/issues/list
+
+TODO:
+* Add <noscript> tags to the form to display the "you must have Javascript on" message
+* Make messages and resubmit limit configurable