pgsql: doc: for various substring funcs, document if only first match

doc: for various substring funcs, document if only first match Reported-by: [email protected] Discussion: https://postgr.es/m/[email protected] Backpatch-through: 13 Branch -- REL_14_STABLE Details --- https://git.postgresql.org/pg/commitdiff

pgsql: doc: for various substring funcs, document if only first match

doc: for various substring funcs, document if only first match Reported-by: [email protected] Discussion: https://postgr.es/m/[email protected] Backpatch-through: 13 Branch -- master Details --- https://git.postgresql.org/pg/commitdiff/6feebc

pgsql: doc: for various substring funcs, document if only first match

doc: for various substring funcs, document if only first match Reported-by: [email protected] Discussion: https://postgr.es/m/[email protected] Backpatch-through: 13 Branch -- REL_13_STABLE Details --- https://git.postgresql.org/pg/commitdiff