tdomcmd(3tcl) on Linux

The text b5894029fad3, as Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.

tdom is an expat parser object extension to create an in-memory DOM tree from the input while parsing.