htpdate copied from commit 742dcb576a979d8838d67197f288348f989d5e2e.
Copied from commit 184d9ba in git://gaffer.ptitcanardnoir.org/htp.git
Copied from ab4e875979c48e2d1e4380fa4c2d7de025bdbcbd.
Copied from 89ed34b.
Copied from commit 151b1a83392e.