In the "Asynchronous Command Processing" section of libpq.sgml,
there's a line which misses a comma at the end. Attached patch should
fix it. I am going to push attached patch into master and
REL_17_STABLE branches if there's no objection.
Best regards,
--
Tatsuo Ishii
SRA OSS K.K.
English: http://www.sraoss.co.jp/index_en/
Japanese:http://www.sraoss.co.jp