Re: rather than argue and bicker about who said what...

D. J. Bernstein writes:
> A byte-by-byte regexp matcher that doesn't know anything about UTF-8, 
> such as an ancient version of the UNIX grep program, nevertheless 
> does a perfect job of matching a UTF-8 regexp against a UTF-8 string.
Oh? Here's a grep that will find all four-letter sequences whose first 
two characters are 'ar' and last is 't'
   grep -i ar.t

...except those encoded in UTF-8 in which the third letter isn't also a 
US-ASCII letter.
--Arnt