create event trigger docs

rir <rirans@comcast.net>

From: rir <rirans@comcast.net>
To: Pg Docs <pgsql-docs@lists.postgresql.org>
Date: 2021-09-24T18:36:58Z
Lists: pgsql-docs
The CREATE EVENT TRIGGER synopsis uses the
bare word 'filter_value' when it seems
    <replaceable class="parameter">filter_variable</replaceable>
was intended.

Thanks again.



Commits

  1. doc: Add missing markup in CREATE EVENT TRIGGER page