On Sat, 17 Aug 2002, Brent Dax wrote:
: Peter Behroozi:
: # After reading over Apocalypse 5 one more time, I noticed that 
: # balanced matches (like capturing nested parenthetical 
: # comments ((like this))) had been glossed over in the 
: # rejection of RFC 145.  What was not even mentioned in the 
: 
:       rule parenthesized { \( ( <-[()]> | <parenthesized> ) \) }
: 
: The key to balanced delimiters is recursion.  A5 gives us convenient
: recursion; therefore, it gives us balanced delimiters.

That being said, there may well be a builtin <self> rule that refers
to the current rule without having to name it.  That lets you write
anonymous recursive rules, or possibly a generic rule that could
have more than one name.

Larry

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