|It is used to build and maintain lists of pages—primarily for the sake of the lists themselves and their use in article and category maintenance. It is not part of the encyclopedia's categorization scheme.
- This category is hidden on its member pages—unless the corresponding user preference is set.
- These categories are used to track, build and organize lists of pages needing "attention en masse" (for example, pages using deprecated syntax), or that may need to be edited at someone's earliest convenience.
- These categories also serve to aggregate members of several lists or sub-categories into a larger, more efficient list (discriminated by classifications).
|Administrators: Please do not delete this category even if it is empty!|
This category may be empty occasionally or even most of the time.
This is a tracking category for CS1 citations that have
|ol= parameter is for the Open Library identifier. The identifier is one or more digits followed by a last character that is either
M (books), or
W (works). Further validation is not performed.
To resolve this error, ensure that the
|ol= value is correct. Do not include "OL" in the value.
Pages with this error are automatically placed in Category:CS1 errors: OL (1 pages).[a]
- ^ Pages in the Book talk, Category talk, Draft talk, File talk, Help talk, MediaWiki talk, Module talk, Portal talk, Talk, Template talk, User, User talk, and Wikipedia talk namespaces are not included in the tracking categories. In addition, pages with names matching the patterns '/[Ss]andbox', '/[Tt]estcases', '/[^/]*[Ll]og', and '/[Aa]rchive' are not included in the tracking categories.