From Rosetta Code
This example is untested. Please check that it's correct, debug it as necessary, and remove this message.

Insert this message above a programming example using the text {{untested|lang}}, where lang is the programming language used. This will put the page in Category:Examples needing attention and Category:Lang examples needing attention, and sets Property:Example requires attention.

This is a template. There are many others. See Category:RCTemplates for a complete list of templates.