doc: Whitespace and formatting fixes

Peter Eisentraut <peter_e@gmx.net>

Commit: 90a1d0aa76a7a95ff36f72cadd0d7aa0c3cb9b31
Author: Peter Eisentraut <peter_e@gmx.net>
Date: 2015-08-21T02:47:08Z
Releases: 9.6.0
doc: Whitespace and formatting fixes

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