Date: Thu, 7 Apr 2016 12:57:47 +0200 From: Szabolcs Nagy <nsz@...t70.net> To: Masanori Ogino <masanori.ogino@...il.com> Cc: Rich Felker <dalias@...c.org>, musl@...ts.openwall.com, bug-gnu-gettext@....org Subject: Re: Re: [bug-gettext] AM_GNU_GETTEXT without referring internal symbols? * Masanori Ogino <masanori.ogino@...il.com> [2016-04-07 16:12:39 +0900]: > 2016-04-07 15:26 GMT+09:00 Rich Felker <dalias@...c.org>: > > I'm not sure what the %Id thing you're referring to is; can you point > > me to a description of it? > > %Id is essentially an extension of printf(3) in glibc 2.2 and later. > It can be implemented by the same way as how sysdep is implemented; it > just depends on the current locale, not the ABI. > > Search http://man7.org/linux/man-pages/man3/sprintf.3.html by "glibc > 2.2 adds" for details. i think it is not acceptable that glibc introduces extensions that can collide with future versions of the c and posix standards. but it is even worse if a translation file format depends on such extensions which makes it hard to fix the problem once the collision happens (like it happened with scanf %a). there are other problems with this flag, so gettext manual should recommend some other solution.
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