Use "alternative" instead of "alternate" where it is clearer.

contrib/dblink/doc/misc

contrib/tsearch2/docs/tsearch2-guide.html

doc/src/sgml/datatype.sgml

doc/src/sgml/ecpg.sgml

doc/src/sgml/ref/create_role.sgml

doc/src/sgml/ref/create_rule.sgml

src/backend/access/common/heaptuple.c

src/backend/access/common/indextuple.c

src/backend/access/heap/heapam.c

src/backend/catalog/pg_operator.c

src/backend/libpq/README.SSL

src/backend/libpq/be-secure.c

src/bin/pg_dump/dumputils.c

src/bin/pg_dump/pg_backup_archiver.h

src/bin/pg_dump/pg_dumpall.c

src/include/access/htup.h

src/include/utils/datetime.h

src/pl/tcl/pltcl.c

src/test/regress/expected/timestamptz.out

src/test/regress/sql/timestamptz.sql