:blurgle: /bler'gl/ /n./ [UK] Spoken {metasyntactic
variable}, to indicate some text that is obvious from context, or
which is already known. If several words are to be replaced,
blurgle may well be doubled or tripled. "To look for something in
several files use `grep string blurgle blurgle'." In each case,
"blurgle blurgle" would be understood to be replaced by the file
you wished to search. Compare {mumble}, sense 7.

:BNF: /B-N-F/ /n./ 1. [techspeak] Acronym for `Backus-Naur
Form', a metasyntactic notation used to specify the syntax of
programming languages, command sets, and the like. Widely used for
language descriptions but seldom documented anywhere, so that it
must usually be learned by osmosis from other hackers. Consider
this BNF for a U.S. postal address:

::=

::= | "."

::= []
|

::= []

::= ","

This translates into English as: "A postal-address consists of a
name-part, followed by a street-address part, followed by a
zip-code part. A personal-part consists of either a first name or