Example for UPDATE FROM with correllation

Patch applied, with minor space adjustments to HEAD and 8.1.X. I also
noticed a few earlier examples were missing paragraph formatting.

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David Fetter wrote:

Folks,

Please find enclosed a doc patch that adds an example of a correllated
UPDATE.

Cheers,
D
--
David Fetter david@fetter.org http://fetter.org/
phone: +1 415 235 3778

Remember to vote!

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