[antlr-interest] Rewrite rules outside of grammars

[Terence Parr]

Howdy. My thoughts on building a rewrite engine (such as how Andy  
Tripp builds things):

http://www.antlr.org/wiki/display/~admin/2008/04/11/Rewrite+rules

There are a number of impressive looking academic systems that do  
this, but sometime I'm going to spend a little bit of time to bring my  
particular brand of insanity to bear on the problem.

Ter