Momjian "Support Functions" section: possible typo and question

From: Terrence Brannon <metaperl(at)mac(dot)com>
To: pgsql-sql(at)postgresql(dot)org
Subject: Momjian "Support Functions" section: possible typo and question
Date: 2002-01-08 16:35:39
Message-ID: C05CEBA6-0455-11D6-B25E-003065C2A10C@mac.com
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I am reading the Momjian "Support Functions" section and have the
following comments:

1 - there is a comma after "BOTH" that is not before "LEADING" or
"TRAILING", so I believe it is an error.

  trim(BOTH...) trim(BOTH, col) same as trim()
  trim(LEADING...) trim(LEADING col) col with leading spaces
removed
  trim(TRAILING...) trim(TRAILING col) col with trailing
spaces removed

2 - I typed \h trim and no help came up. Is it required to resort
to HTML documentation for docs on this function

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