doc: Improve COPY synopsis
commitd45e824b6719147ef5d225c1949c2e65548e00ff
authorPeter Eisentraut <peter@eisentraut.org>
Mon, 23 May 2022 11:09:18 +0000 (23 13:09 +0200)
committerPeter Eisentraut <peter@eisentraut.org>
Mon, 23 May 2022 11:09:18 +0000 (23 13:09 +0200)
treed6fcc6930b6ba7c9c7f29796b2d0268e4264a2ea
parentda1c0acd0a61eb8c1d62725ded9c219e783cc6a2
doc: Improve COPY synopsis

Upper-case MATCH so that it is clearer that it is a keyword in this
context.

Discussion: https://www.postgresql.org/message-id/flat/20220517.174342.1884842412165214815.horikyota.ntt%40gmail.com
doc/src/sgml/ref/copy.sgml