doc: Fix quoting markup

Peter Eisentraut <peter@eisentraut.org>

Commit: 1479c5afdce2c57928dc1322bd71106858a0770f
Author: Peter Eisentraut <peter@eisentraut.org>
Date: 2021-07-05T06:26:30Z
Releases: 14.0
doc: Fix quoting markup

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