facebook - Facebooker Rails - fb_login_button can't set perms -

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hey all, im using facebooker gem connect facebook. working fine except fact cant set perms want user allow.

although pass offline_access permission, when popup opens, show basic info permissions.

code view

<%= fb_connect_javascript_tag %> <%= init_fb_connect "xfbml"%> <%= fb_login_button("window.location = 'some_url';", :perms => "offline_access")%>

generates

<script src="http://static.ak.connect.facebook.com/js/api_lib/v0.4/featureloader.js.php" type="text/javascript"></script> <script type="text/javascript">           event.observe(window,'load', function() {             fb_requirefeatures(["xfbml"], function() {               fb.init('myapikey','/xd_receiver.html', {});              });           });  </script> <fb:login-button onlogin="window.location = 'http://localhost:3000/users/show';" permissions="offline_access"></fb:login-button>

i think attribute needs "perms" rather "permissions"?

http://developers.facebook.com/docs/reference/plugins/login/


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