Translations:Extension:Scribunto/Lua reference manual/1208/en

The type controls the format of  and how   is called. Included types are:
 * Normal:  is a table of return values, or a string if the test should raise an error.   is simply called.
 * Iterator:  is a table of tables of return values.   is called as with an iterated for loop, and each iteration's return values are accumulated.
 * ToString: Like "Normal", except each return value is passed through.