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-rw-r--r--actionpack/lib/action_controller/verification.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/verification.rb b/actionpack/lib/action_controller/verification.rb
index 774af34532..0bef8d85a8 100644
--- a/actionpack/lib/action_controller/verification.rb
+++ b/actionpack/lib/action_controller/verification.rb
@@ -47,6 +47,8 @@ module ActionController #:nodoc:
# must match the current request method in order for the action(s) to
# be safely called. (The key should be a symbol: <tt>:get</tt> or
# <tt>:post</tt>, for example.)
+ # * <tt>:xhr</tt>: true/false option to ensure that the request is coming
+ # from an Ajax call or not.
# * <tt>:add_flash</tt>: a hash of name/value pairs that should be merged
# into the session's flash if the prerequisites cannot be satisfied.
# * <tt>:redirect_to</tt>: the redirection parameters to be used when