Paul Eggert wrote: > <https://www.open-std.org/jtc1/sc22/wg14/www/previous.html>.
Oh, indeed. The wording leaves it up to the discretion of the compiler vendor whether they implement the document for a given option such as -std=c23. > In practice, though, many implementations treat that list's entries as > extensions, not as retroactive changes. For example, I just now checked and > N2829 does not work with GCC in C17 mode, despite being a "retroactive > change" to C17. This means that despite the informal intent that these are > clarifications, we can't assume platforms conforming to older C standards > will support the changes. Sigh. Bruno
