Unused categories

The following category pages exist, although no other page or category makes use of them.

Showing below up to 27 results in range #1 to #27.

1. Books with missing cover
2. Category links short/doc
3. Enhanced quote templates
4. Hatnote templates using unusual parameters
5. Infobox wormhole line tracked parameters
6. Infoboxes
7. Internal link templates
8. List formatting and function templates
9. Navbox orphans
10. Navboxes using background colors
11. Navboxes using borders
12. Navigational boxes without horizontal lists
13. PageLinks transclusions with errors
14. Pages incorrectly using the quote template
15. Pages using Blockquote template with unknown parameters
16. Pages using Template:Script with unknown input
17. Pages using URL template with unknown parameters
18. Pages using Unichar with unknown parameters
19. Pages using infobox book with conflicting parameters
20. Pages using infobox book with unknown parameters
21. Pages using infobox wormhole line with unsupported parameters
22. Pages using italic title with no matching string
23. Pages with ISBN errors
24. Pages with incorrectly substituted templates
25. Parameter tracking templates
26. Potentially illegible navboxes
27. Templates with TemplateData errors