> "John Levine" <johnl at taugh.com> wrote: >> M4 was written in the 1970s by Kernighan and Ritchie in C ... > In private mail, BWK told me that it was DMR who wrote m4. He t> hen reimplemented it in Ratfor for "Software Tools". > Arnold The book says colorfully, "... [and] we are grateful to him for letting us steal it." Doug