Changed returning with tap on guides

railties/guides/source/plugins.textile

@@ -1274,7 +1274,7 @@ class YaffleMigrationGenerator < Rails::Generator::NamedBase
     end
 
     def yaffle_local_assigns
-      returning(assigns = {}) do
+      {}.tap do |assigns|
         assigns[:migration_action] = "add"
         assigns[:class_name] = "add_yaffle_fields_to_#{custom_file_name}"
         assigns[:table_name] = custom_file_name

railties/guides/source/security.textile

@@ -286,7 +286,7 @@ When filtering user input file names, _(highlight)don't try to remove malicious
 
 <ruby>
 def sanitize_filename(filename)
-  returning filename.strip do |name|
+  filename.strip.tap do |name|
     # NOTE: File.basename doesn't work right with Windows paths on Unix
     # get only the filename, not the whole path
     name.sub! /\A.*(\\|\/)/, ''