format more amenable to processing by classic Unix pipeline processing
tools, like grep, sed, awk, cut, shell scripts, and so forth.
The line-oriented format used by these tools looks very much like, but
is not quite precisely the same as XPath.
WWW: http://www.ofb.net/~egnor/xml2/
PR: ports/176670
Submitted by: Paul Chvostek <paul@it.ca>