Doc: clarify behavior of "anyrange" pseudo-type.
authorTom Lane <tgl@sss.pgh.pa.us>
Tue, 17 Mar 2020 19:05:16 +0000 (15:05 -0400)
committerTom Lane <tgl@sss.pgh.pa.us>
Tue, 17 Mar 2020 19:05:16 +0000 (15:05 -0400)
commit31d846e0265c2c1415d7910d39d5b259b92184ea
tree07741516da320922c597195c64386c057e9c2032
parent9d9784c840f3ac98eb41d021c981eea0fe1735ed
Doc: clarify behavior of "anyrange" pseudo-type.

I noticed that we completely failed to document the restriction
that an "anyrange" result type has to be inferred from an "anyrange"
input.  The docs also were less clear than they could be about the
relationship between "anyrange" and "anyarray".

It's been like this all along, so back-patch.
doc/src/sgml/extend.sgml