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CWG3178 Add example for ill-formed non-preprocessing tokens #2794

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@jensmaurer

NB comment CA 022 for C++26 was rejected by EWG, and no normative change was pursued in this area.

However, the status quo does warrant for an example to be added to the standard. Which only makes sense if no normative changes for C++29 are imminent.

Please let CWG know when/if EWG decides to stop waiting for a paper proposing a normative change in this area, so that we can add the clarifying example.

See CWG3178

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  1. hanickadot commented on Jun 8, 2026

    @hanickadot
    Collaborator

    EWG in Brno on Monday

    EWG is not planning on pursuing normative changes to the rules covered in CWG3178, and encourage CWG to add the example as proposed

    SF F N A SA
    1 11 8 3 1

    Result: not consensus

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