Re: Momjian "Support Functions" section: possible typo and question

Terrence Brannon wrote:
> 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

Thanks. The BOTH, is wrong, it should be just BOTH. I have updated the
book web site with this error.

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

TRIM is an ANSI word that masks several functions like rtrim, ltrim, and
btrim. \df rtrim shows these.

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