The idea is to defend against some adversary-in-the-middle attacks.
Transformed via this shell code: t=$'\t' git ls-files \ | grep -vE '(^|/)((GNU)?[Mm]akefile|ChangeLog)|\.(am|mk)$' \ | grep -vE 'tests/pr/|help2man' \ | xargs grep -lE "^ *$t" \ | xargs perl -MText::Tabs -ni -le \ '$m=/^( *\t[ \t]*)(.*)/; print $m ? expand($1) . $2 : $_'
* .gitmodules: New file, to track gnulib. * gnulib: New file, created by running this: git submodule add git://git.sv.gnu.org/gnulib.git gnulib