Typo in perform.sgml?

Tatsuo Ishii <[email protected]> Sat, 07 Dec 2019 20:05:00 +0900 (JST)

Newsgroups	gmane.comp.db.postgresql.devel.documentation
Message-ID	<[email protected]>

Around line 904 of perform.sgml

"These node types have the ability to discard subnodes which they are
able to determine won't contain any records required by the query."

I was not able to parse this. Maybe "that they " is needed after
"determine"?

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp