t / t3901 / 8859-1.txton commit diff: stop allowing diff to have submodules configured in .git/config (078b75e)
   1: to be sourced in t3901 -- this is latin-1
   2GIT_AUTHOR_NAME="Áéí óú" &&
   3GIT_COMMITTER_NAME=$GIT_AUTHOR_NAME &&
   4export GIT_AUTHOR_NAME GIT_COMMITTER_NAME