Requesting advice re: Bug#204899: ispell breaks if _POSIX2_VERSION=200111 with recent coreutils

[David Coe <davidc@debian.org>]

I didn't find anything about this when I searched the list archives;
if what this user reports is true, and we want to support
_POSIX2_VERSION=200111, it'll break many more packages than ispell.

Are we interested in supporting this? 

> POSIX 1003.1-2001 has removed support for commands like
> "head -1" (you are supposed to use "head -n 1"),
> "tail -1" (you are supposed to use "tail -n 1"),
> "split -1" (you are supposed to use "split -l 1"), and
> "sort +1 -3" (you are supposed to use "sort -k 1,2").
> ispell still uses the old forms, which don't work any more on some
> strict POSIX hosts (e.g., GNU coreutils with _POSIX2_VERSION=200111
> in your environment).