Ian Lawrence Barwick <barwick(at)gmail(dot)com> writes:
> How about adding a comment along the lines of
A comment seems reasonable, but I'd probably write it more like
/*
* unix_socket_directories should have been marked GUC_LIST_INPUT |
* GUC_LIST_QUOTE, but it's too late to change it without creating
* big compatibility problems for pg_dump.
*/
regards, tom lane