Revert "Revert "Revert ="srs dvi tex pdf"""""""

This reverts commit ecfc0ca0e088966fd55247552901e6927224be0d.
Revert "Revert "Revert "Revert ="srs dvi tex pdf""""""""

This reverts commit 51350f4b43f275d7c1d8dfb46e5ecc3d55eca5f5.
rm