Index: signup.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/signup/signup.module,v
retrieving revision 1.74.2.37
diff -r1.74.2.37 signup.module
1314a1315,1320
>   // Allow other modules to alter the signup data before it's presented
>   foreach (module_implements('signup_data_alter') as $module) {
>     $function = $module .'_signup_data_alter';
>     $function($data);
>   }
>