* configure.ac (AM_GNU_GETTEXT_VERSION): Update.
* m4/gettext.m4, m4/iconv.m4, m4/lib-ld.m4, m4/lib-link.m4
* m4/lib-prefix.m4, m4/nls.m4, m4/po.m4, m4/progtest.m4: New.
* m4/Makefile.am (EXTRA_DIST): Add new M4 files.
* po/Makevars.template, po/Rules-quot, po/boldquot.sed
* po/en@boldquot.header, po/en@quot.header, po/insert-header.sin
* po/quot.sed: New.
* po/Makefile.in.in, config.rpath, ABOUT-NLS: Update.