relax-ng message

Subject: Re: Name classes

From: Murata Makoto <mura034@attglobal.net>
To: trex@lists.oasis-open.org
Date: Sat, 05 May 2001 15:38:00 +0900

James Clark wrote:

> Is this the only case that causes combinatory explosion for GNF?

No.  ((@a | a), (@b | b), ...., (@z | z)) already causes combinatory 
explosion to GNF normalization.  For each subset of {@a, @b, ..., @z} 
we need a guard-clause pair.  The number of subsets is 2^26.

Cheers,

Makoto

References:
- Re: Name classes
  - From: James Clark <jjc@jclark.com>