There is no use in removing whitespace in the files below, because the originals are not in gnulib. Just to pacify you, I will work on changing them :).
build-aux/gendocs.sh build-aux/texinfo.tex doc/COPYING.LESSERv2 doc/COPYING.LESSERv3 doc/Copyright/assign.future.manual doc/Copyright/assign.manual doc/Copyright/request-assign.changes doc/gendocs_template doc/gendocs_template_min doc/gpl-2.0.texi doc/lgpl-2.1.texi doc/maintain.texi doc/standards.texi
