[diff.iso] Update out of date C compatibility entries by frederick-vs-ja · Pull Request #9270 · cplusplus/draft

frederick-vs-ja · 2026-08-24T02:00:03Z

[diff.lex]

C23 also removed mixed prefixed string literal concatenation
- https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2594.htm

[diff.dcl]

C23 removed unprototyped function declarations
- https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2841.htm
C23 removed old-style function definitions
- https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2432.pdf
The pre-existing description for incompatibility about data member initializers became incomplete in C++29, although the compatibility with C was not improved or worsened.
- https://wg21.link/p2287r6

[diff.lex] - C23 also removed mixed prefixed string literal concatenation - https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2594.htm [diff.dcl] - C23 removed unprototyped function declarations - https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2841.htm - C23 removed old-style function definitions - https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2432.pdf - The pre-existing description for incompatibility about data member initializers became incomplete in C++29, although the compatibility with C was not improved or worsened. - https://wg21.link/p2287r6

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