In 6.11, we mistakenly suppressed the printing of certain group IDs,
thinking they were useless AFS-specific artifacts.
This change reverts that, so now they are printed once again.
http://thread.gmane.org/gmane.org.fsf.announce/867/focus=13345
This also reverts the bug-fix that applied solely to the new code
used to avoid printing those IDs
Revert "id bug fix: don't point to potentially clobbered static storage"
This reverts commit f7d1c59c22.
Revert "Work around AFS bug: id and groups would print invalid group number."
This reverts commit b7a836c0a3.
Revert "* src/c99-to-c89.diff: Accommodate a C99-ism in id.c."
This reverts commit d44893c5db.
They are unnecessary, since we use gnulib's closeout module.
* src/group-list.c (print_group): Remove explicit error tests.
* src/groups.c (main): Likewise.
(write_error): Remove function.
* src/groups.c (main): New file, replacing groups.sh.
* src/group-list.c, src/group-list.h: New files, factored out of id.c,
implementing the functionality that "id" and "groups" have in common.
* src/id.c (print_full_info): Avoid a segfault when trying to print
an error message if getgroups fails.
(print_group_list): Move to group-list.c.
(print_group): Likewise.
* man/Makefile.am: When building groups.1, obtain the help text
from src/groups.c, not src/groups.sh.
(noinst_HEADERS): Add group-list.h.
(group): Remove rule.
(dist_man_MANS): Remove groups.1.
* doc/coreutils.texi (groups: Print group names a user is in):
Explain why "groups" and "groups $(id -un)" give different results
in existing login sessions after you change the group database.
(id: Print user identity): Likewise for "id".
* po/POTFILES.in: Add src/group-list.c and src/groups.c.
* NEWS: mention this.
* AUTHORS: Update.
