# Options/Category

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## Category

Missing category appearance: [1] |
Page categories grouping enabled: [2] |

## Notes

1. ^ Categories may list missing pages. These missing pages are usually b/c
   - The pages are in the "User:" or "Talk:" namespace
   - The current wiki is pages-articles (which does not have User or Talk pages)
   To control appearance of these missing categories, choose one of the following: (default is `red_link`)
   - normal: Shows missing category
   - hide: Hides missing category. Note that the category page may list "200 pages", but show 0 categories
   - red_link: Shows missing category as a red link
2. ^ Controls display of categories at the bottom of the page: (default is `unchecked`)
   - unchecked: Show all categories in one group
   - checked: Show categories in two groups: Categories and Hidden.
   Note the following regarding grouping:
   - Requires version 2 of the category system
   - Is slightly slower

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