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[Motions 2022 11 cwg 6] Issue 2538 (Can standard attributes be syntactically ignored?) from P2710R0 #5990

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Nov 23, 2022
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[Motions 2022 11 cwg 6] Issue 2538 (Can standard attributes be syntactically ignored?) from P2710R0 #5990

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10 changes: 8 additions & 2 deletions source/declarations.tex
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Expand Up @@ -8483,9 +8483,15 @@
For an \grammarterm{attribute-token}
(including an \grammarterm{attribute-scoped-token})
not specified in this document, the
behavior is \impldef{behavior of non-standard attributes}.
Any \grammarterm{attribute-token} that is not recognized by the implementation
behavior is \impldef{behavior of non-standard attributes};
any such \grammarterm{attribute-token} that is not recognized by the implementation
is ignored.
\begin{note}
A program is ill-formed if it contains an \grammarterm{attribute}
specified in \ref{dcl.attr} that violates
the rules specifying to which entity or statement the attribute can apply or
the syntax rules for the attribute's \grammarterm{attribute-argument-clause}, if any.
\end{note}
An \grammarterm{attribute-token} is reserved for future standardization if
\begin{itemize}
\item it is not an \grammarterm{attribute-scoped-token} and
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