The Lua script provides system-independent support of Japanese typesetting engines in TeXworks. As TeXworks typesetting setup does not allow for multistep processing, this script runs one of the ptex-based programs (ptex, uptex, eptex, platex, uplatex) followed by dvipdfmx.

The author is Norbert Preining. The package is Copyright © 2013 Norbert Preining.