Template:TemplateData header/doc

This is a documentation subpage for Template:TemplateData header.
It may contain usage information, categories and other content that is not part of the original template page.

This template is used on approximately 16,000 pages and changes may be widely noticed. Test changes in the template's /sandbox or /testcases subpages, or in your own user subpage. Consider discussing changes on the talk page before implementing them.

Preview message: Transclusion count updated automatically (see documentation).

This template uses Lua:

Module:Check for unknown parameters (sandbox)

The {{TemplateData header}} template inserts a brief header for the template data section, and adds the page to Category:Templates using TemplateData.