Category:Pages with too many template arguments
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Manually-created tracking category with no apparent MediaWiki backing in Special:TrackingCategories.
Suppose you are writing Template:Example to accept up to three arguments.[note 1] To detect pages that pass a fourth argument to Template:Example, test for the fourth argument by including code like this in the template:
{{#if:{{{4}}}|[[Category:Pages with too many template arguments]]}}
By showing up here, users don't have to see error messages.[note 2] Instead, the calling page is included in this category, which is visible at the bottom of the page. If a bunch of pages show up here, all from the same template, consider extending the template to accept more arguments.
- ↑ At the risk of oversimplifying: arguments are data passed in to a function; parameters are what the function has been defined to accept.
- ↑ Displaying something like
<span class="error">Parameter count has been exceeded</span>is still code-correct wherever users would be confused. If the template displays images, and the last image isn't showing up, an error message would be beneficial.
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