unclear description for the Pattern Modifiers in formatting functions

http://www.postgresql.org/docs/9.5/static/functions-formatting.html#FUNCTIONS-FORMATTING-DATETIMEMOD-TABLE

The page suggests that the pattern modifiers (e.g. 'FM') only apply for Date/Time Format.

But at least FM can also be used for number types:

select to_char(1,'(99999)')
UNION ALL
select to_char(1,'(FM99999)')
-----------------------------
( 1)
(1)

Maybe it would be sufficient to just add FM into the table 9.24
( http://www.postgresql.org/docs/9.5/static/functions-formatting.html#FUNCTIONS-FORMATTING-NUMERIC-TABLE )

regards,

Marc Mamin