5 POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/execle.html}
9 Portability problems fixed by Gnulib:
13 Portability problems not fixed by Gnulib:
16 On some platforms, a script without executable permission is still run:
19 On Windows platforms (excluding Cygwin), this function operates by spawning
20 and then by exiting the current process, which means the current
21 process's parent may incorrectly proceed as if its child had exited.