From Rosetta Code

Here's what the template looks like, when applied to Perl, within an infobox:

Sampling of Users:

Abeaumont, Aboyers, Aks, Alansam, AlexLehm... further results
Sampling of Implementations:
(none documented)
Sampling of Broken Examples:

(none flagged)

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