This category is within the scope of WikiProject Templates, a group dedicated to improving the maintenance of Wikipedia's templates. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.TemplatesWikipedia:WikiProject TemplatesTemplate:WikiProject TemplatesTemplates articles
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This category is within the scope of WikiProject Categories, a collaborative effort to improve the coverage of categories on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.CategoriesWikipedia:WikiProject CategoriesTemplate:WikiProject CategoriesCategories articles
Why would a template need "substitution checking"?--Mr. Guye (talk) 23:21, 17 April 2017 (UTC)[reply]
WP:Substitution doesn't explain the purpose of this category or how it's usually added to templates. It's a bit technical. First see {{Substcheck}}. The category is often added by {{Fix}} or {{Fix-span}}. {{Fix}} should be called with the parameter | subst = <includeonly>{{subst:substcheck}}</includeonly> to enable the substitution checking described in {{Substcheck}}. {{Fix}} detects if the parameter is missing and adds the category in this case. So if you see Category:Templates needing substitution checking on a template then it's often because it calls {{Fix}} without the subst parameter. The call may be via another used template or module and not directly in the source so it may be difficult to get rid of the category. However, on most templates I don't think it's a problem to have the category. PrimeHunter (talk) 10:34, 18 April 2017 (UTC)[reply]
