What CWG means?

In this link: "https://en.cppreference.com/w/cpp/language/character_literal"

You can find at the bottom of that page some abbreviation:

CWG 912, CWG 1024 and CWG 1656

What CWG means?

Thanks for reading)
CWG is an acronym for "core working group", a part of the committee that designs C++. Partly they maintain a numbered list of issues and defects in the design of the language itself (the "core language"). For example CWG 912 would be core language issue #912, this one:

The whole committee's website is

All the issues can be found at
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Amazing answer, thank you @mbozzi
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