part 1 - the information

According to Code Complete (Steve McConnell, Microsoft Press, 1993), program design language (PDL) was originally described in a paper published by Caine and Gordon in 1975.

Guidelines for effective use of PDL include:

Benefits from using PDL:

part 2 - the query

This PDL stuff sounds pretty good to me - maybe it's just new to me because I don't have any formal programming training. My background is in science, and I picked up any "programming knowledge" I might possess as the situations presented themselves.

I'm wondering, is PDL something that people actually use?