add :param_name option to the helper

example: <%= paginate @users, :param_name => :pagina %>

lib/kaminari/helpers/action_view_extension.rb

@@ -14,10 +14,11 @@ module InstanceMethods
       # * <tt>:left</tt> - The "left outer window" size (1 by default).
       # * <tt>:right</tt> - The "right outer window" size (1 by default).
       # * <tt>:params</tt> - url_for parameters for the links (:controller, :action, etc.)
+      # * <tt>:param_name</tt> - parameter name for page number in the links (:page by default)
       # * <tt>:remote</tt> - Ajax? (false by default)
       # * <tt>:ANY_OTHER_VALUES</tt> - Any other hash key & values would be directly passed into each tag as :locals value.
       def paginate(scope, options = {}, &block)
-        Kaminari::Helpers::PaginationRenderer.new self, options.reverse_merge(:current_page => scope.current_page, :num_pages => scope.num_pages, :per_page => scope.limit_value, :remote => false)
+        Kaminari::Helpers::PaginationRenderer.new self, options.reverse_merge(:current_page => scope.current_page, :num_pages => scope.num_pages, :per_page => scope.limit_value, :param_name => :page, :remote => false)
       end
     end
   end

lib/kaminari/helpers/tags.rb

@@ -19,6 +19,7 @@ module Helpers
     class Tag
       def initialize(template, options = {}) #:nodoc:
         @template, @options = template, template.options.merge(options)
+        @param_name = @options.delete :param_name
       end
 
       def to_s(locals = {}) #:nodoc:
@@ -47,7 +48,7 @@ def find_template
       end
 
       def page_url_for(page)
-        @template.url_for @template.params.merge(:page => (page <= 1 ? nil : page))
+        @template.url_for @template.params.merge(@param_name => (page <= 1 ? nil : page))
       end
     end