surprising behavior of gettext module

[Ben Pfaff]

The gettext module says in its configure.ac section that it
invokes AM_GNU_GETTEXT:

    configure.ac:
    AM_GNU_GETTEXT([external])
    AM_GNU_GETTEXT_VERSION([0.18.1])

This would ordinarily lead one to believe that it is not
necessary to invoke AM_GNU_GETTEXT elsewhere in configure.ac, but
gnulib-tool filters it out:

        func_get_autoconf_snippet "$module" \
          | sed -e '/^$/d;' -e 's/^/  /' \
                -e 's/AM_GNU_GETTEXT(\[external\])/dnl you must add 
AM_GNU_GETTEXT([external]) or similar to configure.ac./' \
                -e "$sed_replace_build_aux"

This is surprising behavior.  I would suggest that the gettext
module shouldn't list AM_GNU_GETTEXT in its configure.ac section,
or that at least it should mention in a Notice that it doesn't
really invoke AM_GNU_GETTEXT.

Thanks,

Ben.
-- 
Ben Pfaff 
http://benpfaff.org