gram.y now producing warnings?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Thomas Lockhart <lockhart(at)alumni(dot)caltech(dot)edu>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: gram.y now producing warnings?
Date: 2000-07-31 01:35:59
Message-ID: 2012.965007359@sss.pgh.pa.us
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make[3]: Entering directory `/home/postgres/pgsql/src/backend/parser'
bison -y -d gram.y
12 rules never reduced
gram.y contains 3 useless nonterminals and 12 useless rules

regards, tom lane

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