ଶ୍ରେଣୀ:CS1 ବ୍ରିଟିଶ୍‌ ଇଂରାଜୀ-language sources (en-gb)

It is used to build and maintain lists of pages—primarily for the sake of the lists themselves. They are not part of the encyclopedia's categorization scheme.

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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.
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