pgsql: Be less wishy-washy in the documentation and comments about - Mailing list pgsql-committers

Log Message:
-----------
Be less wishy-washy in the documentation and comments about whether a
ParameterStatus message can be sent during COPY OUT: it's definitely
possible, since COPY from a SELECT subquery can trigger any user-defined
function.

Modified Files:
--------------
    pgsql/doc/src/sgml:
        protocol.sgml (r1.71 -> r1.72)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/protocol.sgml?r1=1.71&r2=1.72)
    pgsql/src/interfaces/libpq:
        fe-protocol3.c (r1.32 -> r1.33)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/fe-protocol3.c?r1=1.32&r2=1.33)