https://wiki.naturalphilosophy.org/index.php?action=history&feed=atom&title=Category%3AHidden_categories 2026-07-21T20:02:31Z Revision history for this page on the wiki MediaWiki 1.43.0 https://wiki.naturalphilosophy.org/index.php?title=Category:Hidden_categories&diff=304444&oldid=prev 2026-07-20T14:59:24Z

<p>Create the parent meta-category for __HIDDENCAT__ categories (itself hidden)</p> <p><b>New page</b></p><div>__HIDDENCAT__<br /> This category automatically collects every category on this wiki that is marked with &lt;code&gt;__HIDDENCAT__&lt;/code&gt;.<br /> <br /> Hidden categories are &#039;&#039;&#039;technical and maintenance categories&#039;&#039;&#039; — they track template usage, rendering errors and similar housekeeping matters. They are hidden so that they do not appear in the category bar at the foot of articles, where they would be meaningless to readers.<br /> <br /> Membership of a hidden category carries no editorial judgement about a page&#039;s content.<br /> <br /> &#039;&#039;See also:&#039;&#039; [[Special:Categories]] for all categories on this wiki.</div>

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