Wikipedia:Linter

This is an information page. It is not one of Wikipedia's policies or guidelines; rather, its purpose is to explain certain aspects of Wikipedia's norms, customs, technicalities, or practices. It may reflect differing levels of consensus and vetting.

Shortcut WP:LINT

The Linter extension is a MediaWiki extension that aims to identify "lint": syntax errors in the code of Wikipedia pages. The lint in this case is broken and problematic markup on all wiki pages that cannot be fixed automatically by MediaWiki. The extension produces a list of these errors at Special:LintErrors, which editors and bots can consult to find pages that need attention. High-priority Linter issues require fixing as they may cause pages to display in undesirable fashion. The MediaWiki wiki help page describes 18 specific types of lint errors.