"David G. Johnston" <david.g.johnston@gmail.com> writes:
> Given this, should the configuration description for this include the "This
> parameter can only be set in postgresql.conf file or on the server command
> line." comment,
Hmm, yeah, it does lack the standard boilerplate for a PGC_POSTMASTER
GUC. I wonder which other GUCs are misidentified that way.
> as well as the fact that 0 disables the logical replication
> subscribing feature altogether, and precludes the background worker
> scheduler process from launching at startup?
I'd be in favor of mentioning the former, but the latter seems like
an implementation detail.
regards, tom lane