> POSIX aside, Unix-like systems that are still around nowadays and not directly use GNU user space, have copied many of the GNU extensions out of necessity. T

> POSIX aside, Unix-like systems that are still around nowadays and not directly use GNU user space, have copied many of the GNU extensions out of necessity. That reads like a lack of interest to update POSIX to catch up with the de-facto sstandard I mean, I doubt that GNU would try to block the standardization process to avoid including their extensions.