psql's help

I see there are at least other two options for SET/SHOW/RESET commands:
- KSQO
- QUERY_LIMIT

I would to underline the help is not updated about KSQO:

hygea=> \h show
Command: show
Description: show current run-time environment
Syntax:       SHOW DateStyle|GEQO|R_PLANS|QUERY_LIMIT

hygea=> \h reset
Command: reset
Description: set run-time environment back to default
Syntax:       RESET DateStyle|GEQO|R_PLANS|QUERY_LIMIT

hygea=> \h set
Command: set
Description: set run-time environment
Syntax:       SET DateStyle TO
'ISO'|'SQL'|'Postgres'|'European'|'US'|'NonEuropean'
set GEQO TO 'ON[=#]'|'OFF'
set R_PLANS TO 'ON'| 'OFF'
set QUERY_LIMIT TO #

Jose'