Reference

pdvitype(1) on Linux

The text 4340c04683ce, as Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody) shipped it.

manual page for PDVItype (Web2C 7.3.1) 0.3 (EUC), based on DVItype 3.6

Flags it lists

pdvitype(1) on Linux now