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look-ahead -> lookahead

From: Joel E. Denny
Subject: look-ahead -> lookahead
Date: Wed, 7 Jun 2006 04:38:17 -0400 (EDT)

Paul Eggert and I discussed the inconsistent spelling of lookahead some 
time ago.  I'd like to get this taken care of.

Here are the statistics I know of.  The Open Group's yacc spec, "lex & 
yacc" published by O'Reilly, and the dragon book (as I recall) all use 
"lookahead".  Today, google returns 175,000 hits for `parser lookahead'.  
It only returns 103,000 hits for `parser "look-ahead"' and that includes 
hits on "look ahead".  Google Scholar is also in favor of "lookahead" but 
not by as much.  Paul found similar results from Google Scholar in 

If I hear no objections to "lookahead" within a few days, I'll start 
sweeping through Bison with this change.


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